Archive of PNSs, SCNs and TINs
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Archive of PNSs, SCNs and TINs
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NWS Service Change Notices
> Archive of PNSs, SCNs and TINs
Service Change Notices Archive
( 1997 - 2022 )
Technical Implementation Notices Archive
( Issued from 1997-2016 )
Back to
Current Notifications
(Current - 2023)
For the most recent Public Information Statements and Service Change Notices, go
here
Public Information Statements Archive 2022-1996
Public
Information Statements 2022
Dec 19:
PNS22-72:
Soliciting Comments on the Proposed Upgrade of GFS MOS, LAMP, and Gridded LAMP Guidance through
January 11, 2023
Dec 13:
PNS22-26 Updated:
Soliciting Comments through
July 31, 2023
on the “Rapid Onset Drought” Hazard Type as an Experimental Element Within the 8- to 14-Day Hazards Outlook (Contiguous U.S. and Alaska)
Dec 12:
PNS22-71:
Soliciting Comments through
April 30, 2023
on Provision of Adding Prototype Air Quality (AQ) National Digital Guidance Database (NDGD) Graphics via Amazon Web Services (AWS)
Dec 8:
PNS22-70 Updated:
Soliciting Public Comments on Changes to Hurricane Forecast Model Output in the Upcoming Hurricane Analysis and Forecast System (HAFS) through
January 7, 2023
Dec 7:
PNS22-69:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
December 15, 2022
Dec 7:
PNS22-68:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
December 13, 2022
Nov 23:
PNS22-67 Updated:
Soliciting Comments on the Upgrade of the Great Lakes Waves-Unstructured Forecast System (GLWU) to Version 2.0.0 through
December 23, 2022
Nov 22:
PNS15 Updated:
Comment Period Extended through
April 30, 2023
on the Experimental Lake Effect Snow (LES) Warning Polygons from NWS Weather Forecast Offices (WFOs) Buffalo, NY; Binghamton, NY and Albany, NY
Nov 16:
PNS22-66:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
November 23, 2022
Nov 16:
PNS22-65:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
November 22, 2022
Oct 26:
PNS20-34 Updated:
Seeking Public Comment and Review on Additions to Experimental Severe Weather Impact Graphics through
April 30, 2023
June 28, 2024:
PNS19-03 Updated:
Soliciting Comments on the Experimental Graphical Hazardous Weather Outlook (GHWO) through
February 28, 2025
Oct 21:
PNS22-64:
Soliciting Comments on the Retirement of the Airmen’s Meteorological Information (AIRMET) over the CONUS through
November 20, 2022
Oct 12:
PNS22-12 Updated:
Enhancements to the Experimental Probabilistic Winter Storm Severity Index (PWSSI): Effective
October 11, 2022
Oct 7, 2024:
PNS19-36: Updated: Soliciting Comments on Experimental Winter Storm Outlook through May 15, 2026
Oct 15, 2024:
PNS21-68: Updated
: Soliciting Comments on the Experimental Standardized Weather Forecast Office (WFO) Avalanche Weather Webpage at 18 WFOs through
April 30, 2026
Oct 5:
PNS22-63:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
October 13, 2022
Oct 5:
PNS22-62:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
October 11, 2022
Oct 4:
PNS22-61:
Soliciting Comments on the Removal of WSR-88D Legacy Precipitation Processing System (PPS) Products
October 4, 2022
through
November 18, 2022
Oct 16, 2024:
PNS22-10 Updated:
Soliciting Comments until
May 31, 2025
on Snow Ratio Grids as an Experimental Element in the National Digital Forecast Database (NDFD)
Oct 3:
PNS19-02 Updated:
Soliciting Comments until
April 30, 2023
on Addition of Probabilistic Snow Grids for Select Weather Forecast Offices (WFOs) as an Experimental Element in the National Digital Forecast Database (NDFD) for the Contiguous United States (CONUS)
Oct 20:
PNS14 Updated:
Soliciting Comments until
April 30, 2024
on the Continuation of the Probabilistic Winter Precipitation Forecast Experiment
Sep 27:
PNS22-49 Updated:
Soliciting Comments on Experimental Coastal Waters Forecast Wave Component Update through
July 31, 2023
Sep 21:
PNS22-60:
Soliciting Public Comments through
November 17, 2022
on the Provision of Post-Tropical Cyclone Event Observational Data through “Tropical Event Summary” Webpages
Sep 15:
PNS22-59:
Soliciting Comments on Proposed Methods to Update the National Precipitation Frequency Standard through
November 15, 2022
Sep 12:
PNS22-58:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
September 20, 2022
Sep 12:
PNS22-57:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
September 22, 2022
Aug 1:
PNS22-56 Updated:
Soliciting Comments through
January 31, 2024
for the Experimental Global Tropics Hazards Outlook for Week-3
Sep 8:
PNS22-09 Updated:
Public Webpages for RIDGE II Local Standard Radar (Low Bandwidth) Images: Effective on or about
September 8, 2022
Sep 1:
PNS20-36 Updated:
Soliciting Public Comments through
November 30, 2022
on an Experimental Graphic that Depicts the Peak Storm Surge Forecast from the Tropical Cyclone Public Advisory Product when Storm Surge Watch/Warnings are in Effect
Sep 25, 2024:
PNS22-55 Updated:
Soliciting Comments on Experimental Flood Inundation Mapping (FIM) Services through
September 30, 2025
Aug 15:
PNS22-54:
Tropical Cyclone Watch/Warning Product (TCV) Collaboration Testing
August 15, 2022
Aug 9:
PNS22-53:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
August 15, 2022
Aug 9:
PNS22-52:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
August 15, 2022
Aug 9:
PNS22-17 Updated:
Changes in Weather Balloon Launch Frequency on
August 9, 2022
Aug 8:
PNS22-51:
Soliciting Comments on NWS Western Region HeatRisk Prototype through
September 30, 2022
Aug 1:
PNS22-50:
Tropical Cyclone Watch/Warning Product (TCV) Collaboration Testing
August 2, 2022
, with Backup Date Scheduled for
August 3, 2022
Sep 27:
PNS22-49 Updated:
Soliciting Comments on Experimental Coastal Waters Forecast Wave Component Update through
July 31, 2023
Aug 1:
PNS22-48:
Soliciting Comments on MDL-maintained P-Surge, P-ETSS, ETSS, and ESTOFS Websites through
January 31, 2023
Jul 20:
PNS22-47:
Seeking Public Comment on the Prototype NHC YouTube Live Streaming through
November 30, 2022
Jul 18:
PNS22-46:
Soliciting Public Comments on Changes to Products Produced From the Global Forecast System (GFS) through
August 17, 2022
Jul 15:
PNS22-45:
Soliciting Comments on Experimental Tropical Cyclone Discussion (TCD) and Tropical Cyclone Forecast/Advisory (TCM) Products for TC Forecasts Originating from the Weather Prediction Center (WPC) through
November 30, 2022
Jul 15:
PNS22-44:
Soliciting Comments on Experimental Tropical Cyclone (TC) Track and Watch/Warning Graphics (i.e., “Cone Graphics”) for TC Forecasts Originating from the Weather Prediction Center (WPC) through
November 30, 2022
Sep 25, 2024:
PNS22-43 Updated:
Extending Comment Period on the National Water Center's Experimental Area Hydrologic Discussion Product through
June 30, 2025
Jul 5:
PNS20-28 Updated:
Soliciting Comments on the Experimental National Water Center Visualization Services through
June 30, 2026
Apr 27, 2023:
PNS21-02 Updated:
Soliciting Comments on the Experimental National Hydrologic Discussion through
June 30, 2024
Sep 25, 2024:
PNS22-42 Updated:
Soliciting Comments on the Experimental Flood Hazard Outlook (FHO) Product through
June 30, 2025
Jul 5:
PNS22-34 Updated:
Soliciting Comments on the Proposed Upgrade of the GEFS-Aerosol Ensemble Member through
July 31, 2022
Jun 30:
PNS21-21 Updated:
Soliciting Comments through
May 31, 2023
on Experimental Arrival of Tropical-Storm-Force Winds Graphics for the South Pacific and Western North Pacific Produced by the Central Pacific Hurricane Center (CPHC) Based on Forecasts from the Joint Typhoon Warning Center (JTWC)
Jun 30:
PNS21-19 Updated:
Soliciting Comments through
May 31, 2023
on Experimental Track and Error Cone Graphics Produced by the Central Pacific Hurricane Center for Tropical Cyclones in the South Pacific and Western North Pacific Basins Based on Forecasts Issued by the Joint Typhoon Warning Center
Jun 30:
PNS21-20 Updated:
Soliciting Comments through
May 31, 2023
on Experimental Wind Speed Probability Graphics Produced by the Central Pacific Hurricane Center for Tropical Cyclones in the South Pacific and Western North Pacific Basins Based on Forecasts Issued by the Joint Typhoon Warning Center
Jun 29:
PNS22-19 Updated:
Soliciting Comments through
October 31, 2022
on Website Upgrade for
www.aviationweather.gov
Apr 22:
PNS22-41 Updated:
Soliciting Comments through
October 31, 2024
on Expansion of Experimental Surf Forecast Matrix to 7 WFOs
Jun 28:
PNS22-40:
Soliciting Comments through
July 27, 2022
on the Proposed Termination of the Week-1 Portion of the Climate Prediction Center Global Tropics Hazards Outlook
Jun 28:
PNS22-39:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
July 7, 2022
Jun 28:
PNS22-38:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
July 5, 2022
Jun 28:
PNS22-37 Updated:
Soliciting Comments on the Upgrade of the Surge and Tide Operational Forecast System (STOFS, formerly ESTOFS) to Version 1.0.1 through
September 1, 2022
Aug 20, 2024:
PNS22-36 Updated:
Extending Comment Period on Experimental Potential Coastal Flood Extent Overlays until
August 30, 2025
Jun 21:
PNS22-35:
Soliciting Comments on the Proposed Upgrade of the HYSPLIT v8.0 through
July 31, 2022
Jul 5:
PNS22-34 Updated:
Soliciting Comments on the Proposed Upgrade of the GEFS-Aerosol Ensemble Member through
July 31, 2022
Jun 7:
PNS22-33:
Tropical Cyclone Watch/Warning Product (TCV) Collaboration Testing
June 7, 2022
, with
Backup Dates
Scheduled for
June 8 and June 14, 2022
May 27:
PNS22-32:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
June 2, 2022
May 27:
PNS22-31:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast in Conjunction with the LANTEX22 Tsunami Exercise on
June 1, 2022
May 26:
PNS22-30:
Tropical Cyclone Watch/Warning Product (TCV) Collaboration Testing
May 26, 2022
May 23:
PNS22-29:
Soliciting Comments on the Experimental Implementation of Ceiling, Visibility and Low Level Wind Shear (LLWS) Grids in NDFD from
May 23, 2022 through May 23, 2023
May 12:
PNS22-28:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast on
May 19, 2022
May 12:
PNS22-27:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
May 17, 2022
Sep 1:
PNS20-36 Updated:
Soliciting Public Comments through
November 30, 2022
on an Experimental Graphic that Depicts the Peak Storm Surge Forecast from the Tropical Cyclone Public Advisory Product when Storm Surge Watch/Warnings are in Effect
Dec 13:
PNS22-26 Updated:
Soliciting Comments through
July 31, 2023
on the “Rapid Onset Drought” Hazard Type as an Experimental Element Within the 8- to 14-Day Hazards Outlook (Contiguous U.S. and Alaska)
May 2:
PNS22-25:
Hurricane Threats and Impacts (HTI) Mosaic Testing on
May 3, 2022
(Backup Dates:
May 4-5, 2022
Apr 28:
PNS21-05 Updated:
Comment Period on the Prototype Provision of Full-Resolution National Digital Forecast Database (NDFD) Data via Amazon Web Services (AWS) Extended through
April 28, 2023
Apr 27:
PNS21-53 Updated:
Comment Period on the Experimental National GIS Map Viewer (“The Viewer”) Web Application Extended through
May 27, 2022
Apr 27:
PNS22-24:
Public Comment Period for the Discontinuation of NWS Honolulu’s Route Forecast
May 2 – June 30, 2022
Apr 25:
PNS22-23:
Tropical Cyclone Watch/Warning Product (TCV) Collaboration Testing
April 25-29, 2022
Apr 7:
PNS22-22:
Soliciting Comments on the Experimental Day 3-7 Temperature Anomaly Graphics through
July 10, 2022
Apr 4:
PNS22-21:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
April 7, 2022
Apr 1:
PNS22-20:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
April 4, 2022
Jun 29:
PNS22-19 Updated:
Soliciting Comments through
October 31, 2022
on Website Upgrade for
www.aviationweather.gov
Oct 30, 2023:
PNS22-18 Updated:
Weather Forecast Office (WFO) Guam to Produce Experimental Public and Marine Grids for East and West Micronesia for Inclusion into the National Digital Forecast Database:
Effective March 29, 2022
Aug 9:
PNS22-17 Updated:
Changes in Weather Balloon Launch Frequency on
August 9, 2022
Mar 29:
PNS22-16:
Second Delay of the Spring 2022 Forecast Zones Implementation Date to
April 5, 2022
Due to a Critical Weather Day (CWD) Declaration
Mar 21:
PNS22-15:
Delay of the Spring 2022 Forecast Zones Implementation Date to
March 29, 2022
Due to a Critical Weather Day (CWD) Declaration
Mar 15:
PNS22-14:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
March 18, 2022
Mar 10:
PNS22-13:
Modified National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
March 14, 2022
Mar 1:
PNS22-12 Updated:
Enhancements to the Experimental Probabilistic Winter Storm Severity Index (PWSSI): Effective
October 11, 2022
Jan 25, 2023:
PNS22-11 Updated:
Soliciting Comments on Experimental Excessive Rainfall Outlook for Days 4-5 through
February 26, 2023
Oct 16, 2024:
PNS22-10 Updated:
Soliciting Comments until
May 31, 2025
on Snow Ratio Grids as an Experimental Element in the National Digital Forecast Database (NDFD)
Sep 8:
PNS22-09 Updated:
Public Webpages for RIDGE II Local Standard Radar (Low Bandwidth) Images: Effective on or about
September 8, 2022
Feb 10:
PNS22-08:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
February 17, 2022
Feb 10:
PNS22-07:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
February 15, 2022
Jan 26:
PNS19-01 Updated:
Soliciting Public Comments on Experimental Probabilistic Flood Outlook Summary through
May 31, 2023
Jan 26:
PNS22-06:
Level III Base Radial Velocity Radar Product will be Unavailable on NWS Radar Webpage on or around
February 2, 2022
Jan 24:
PNS22-05:
Soliciting Comments on the Proposal Implementation of the National Gridded Snowfall Analysis until
February 23, 2022
Jan 20:
PNS22-04:
New and Existing NWS On-Premise GIS Web Services Hosted on the AWS Public Cloud on or about
January 20, 2022
Jan 7:
PNS22-03:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
January 13, 2022
Jan 7:
PNS22-02:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
January 11, 2022
Jan 4:
PNS22-01:
Soliciting Comments on the Upgrade of the National Blend of Models and GFS MOS Guidance through
April 8, 2022
Public
Information Statements 2021
Dec 10:
PNS21-73:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
December 16, 2021
Dec 10:
PNS21-72:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
December 14, 2021
Dec 10:
PNS21-71:
Soliciting Public Comments through
May 31, 2022
, on Intense Rainfall and Flash Flood Reports Webpage
Dec 7:
PNS21-70:
Soliciting Public Comments on the Replacement of Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) Forecast Smoke Products with Rapid Refresh (RAP) Smoke Forecast Products through
January 6, 2022
Dec 7:
PNS21-69:
Soliciting Comments on a Proposal to Nationally Expand Partial County Alerting via NWR and EAS for Select Counties through
March 1, 2022
Dec 1:
PNS15hefs Updated:
Extending Public Comment Period on Experimental Short Range River Forecast Uncertainty Graphic through
January 15, 2022
Oct 15, 2024:
PNS21-68 Updated:
Soliciting Comments on the Experimental Standardized Weather Forecast Office (WFO) Avalanche Weather Webpage at 18 WFOs through
April 30, 2025
Nov 18:
PNS21-67:
Soliciting Comments on the Consolidation of Hard Freeze and Freeze Headlines through
December 18, 2021
Nov 2:
PNS15 Updated:
Soliciting Comments through
April 15, 2022
on the Days 3-7 Winter Storm Threat Index from NWS Weather Forecast Offices (WFOs) Baltimore, MD/Washington, DC; State College, PA and Wakefield, VA
Oct 28:
PNS21-66:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
November 4, 2021
Oct 28:
PNS21-53 Updated:
Comment Period on the Experimental National GIS Map Viewer (“The Viewer”) Web Application Extended Through
May 27, 2022
Oct 27:
PNS21-65:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
November 2, 2021
Oct 7, 2024:
PNS19-36 Updated:
Soliciting Comments on Experimental Winter Storm Outlook through
May 15, 2025
Nov 22, 2022:
PNS15 Updated:
Comment Period Extended through
April 30, 2023
on the Experimental Lake Effect Snow (LES) Warning Polygons from NWS Weather Forecast Offices (WFOs) Buffalo, NY; Binghamton, NY and Albany, NY
Oct 8:
PNS21-64:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
October 14, 2021
Oct 7:
PNS21-63:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
October 12, 2021
Sep 30:
PNS21-62:
Soliciting Comments through
October 30, 2021
on Terminating the Legacy Wang Sheeley Arge Website at the Space Weather Prediction Center
Sep 30:
PNS21-61:
Soliciting Public Comments
through November 19, 2021
on Replacing the Observational Content of the Current Post Tropical Cyclone Report (PSH) Text Product with a Comma-Separated Values (CSV) File
Sep 14:
PNS18-28 Updated:
Soliciting Comments on the Experimental Avalanche Weather Guidance Product through
April 30, 2022
Sep 8:
PNS21-60:
Seeking Comments through
October 8, 2021
on Changing the Geographic Coverage of GOES-R SCMI Data Available via the Satellite Broadcast Network
Sep 7:
PNS19-05
Updated:
Expanding and Extending the Experimental Comment and Review of the NWS use of Live Video Streaming via Facebook Live and Twitter Live through
April 28, 2022
Sep 3:
PNS21-59:
Soliciting Comments until
October 15, 2021
on the Proposed Use of Impact-Based Warning Tags for Snow Squall Warnings and Proposed Changes to Wireless Emergency Alerts for Snow Squall Warnings
Sep 2:
PNS21-58:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
September 9, 2021
Aug 30:
PNS21-57:
Soliciting Comments
until April 30, 2022
on the Experimental Winter Storm Severity Index (WSSI) Day 4 Extension
Aug 13:
PNS21-56:
Change to Web Access URL for NWS Text-based Climate Information as of
August 26, 2021
Aug 11:
PNS21-45 Updated:
Soliciting Comments on the Migration of the NWSChat Application from
August 11, 2021
through
August 27, 2021
Aug 4:
PNS21-55:
Soliciting Comments on a Change to NEXRAD Product Dissemination via NOAAPort/SBN on
December 1, 2021
Jul 30:
PNS21-54:
Nationwide Emergency Alert System Test and Wireless Emergency Alert Test Scheduled for
August 11, 2021
Apr 27, 2022:
PNS21-53 Updated:
Comment Period on the Experimental National GIS Map Viewer (“The Viewer”) Web Application Extended Through
May 27, 2022
Jul 28:
PNS21-52:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
August 5, 2021
Jul 28:
PNS21-51:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
August 3, 2021
Jul 20:
PNS21-50:
Name of the Caribbean Tsunami Warning Program (CTWP) Changed to International Tsunami Information Center (ITIC) Caribbean Office Beginning
September 1, 2021
Jul 19:
PNS21-49:
Soliciting Comments until
September 17, 2021
on the Proposed Expansion of the Marine Channels Forecast to Mobile Bay, AL
Jul 13:
PNS21-48:
Spanish-Language Survey Now Available as NWS Solicits Comments through
July 31, 2021
on Proposed New Headline Language to Replace Current "Advisories" and "Special Weather Statements"
Jul 12:
PNS21-47:
Tropical Cyclone Watch/Warning Product (TCV) Collaboration Testing
July 13-14, 2021
Jul 9:
PNS21-46:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to take place on
July 15, 2021
Aug 11:
PNS21-45 Updated:
Soliciting Comments on the Migration of the NWSChat Application from
August 11, 2021
through
August 27, 2021
Jul 8:
PNS21-44:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
July 13, 2021
Jun 25:
PNS21-43:
Soliciting Comments on the Experimental Enhanced Version of the National Weather Service Extreme Precipitation Monitor (EPM) through
July 30, 2021
Jun 21:
PNS21-42:
Hurricane Threats and Impacts (HTI) Mosaic Testing at WFOs San Diego (SGX) and Los Angeles, CA (LOX) on
June 22, 2021
Jun 17:
PNS21-41:
Soliciting Comments through
July 31, 2021
on Proposed New Headline Language to Replace Current "Advisories" and "Special Weather Statements"
Jun 16:
PNS21-40:
Soliciting Comments through
July 31, 2021
on Discontinuing the Satellite-Interpretation Message (SIM) from Weather Forecast Office Guam and Replacing it with the Tropical Weather Discussion (TWD)
Jun 15:
PNS21-39
: Soliciting Comments on Proposal to Discontinue Small Craft Exercise Caution Headline through
August 13, 2021
Jun 4:
PNS21-38:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
June 10, 2021
Jun 3:
PNS21-37:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
June 8, 2021
Jun 2:
PNS21-36:
Tropical Cyclone Watch Warning Product (TCV) Collaboration Testing
Thursday, June 3, 2021
May 28:
PNS21-35:
Soliciting Comments on the Use of the Short Term Forecast Product (NOW) through
June 27, 2021
May 26:
PNS21-34:
Soliciting Comments on the Prototype Flood Hazard Outlook Product through
October 31, 2021
May 17:
PNS21-33:
Tropical Cyclone Data Flow Testing
Tuesday, May 18, 2021
Sep 1, 2022:
PNS20-36 Updated:
Soliciting Public Comments through
November 30, 2022
on an Experimental Graphic that Depicts the Peak Storm Surge Forecast from the Tropical Cyclone Public Advisory Product when Storm Surge Watch/Warnings are in Effect
May 6:
PNS21-32:
Seeking Comments from Users on Providing NCEP NWP Data in the Cloud through
July 31, 2021
May 4:
PNS21-31:
Tropical Cyclone Watch Warning Product (TCV) Collaboration Testing Wednesday
May 5, 2021
May 4:
PNS21-30:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
May 6, 2021
May 3:
PNS21-29:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
May 5, 2021
May 3:
PNS21-28:
Seeking Feedback on Proposed Wireless Emergency Alerts Messages for Severe Thunderstorm Warnings with the Destructive Damage Threat Categorizations through
June 2, 2021
May 3:
PNS21-27:
Incorrectly Classified as a PNS; see
SCN21-27A
Apr 20:
PNS19-29 Updated:
Soliciting Comments on the Experimental Water Information Interface Webpage until
December 31, 2021
Apr 13:
PNS21-26:
Announcing Four Partner Webinars on the Planned Major Change to NWS' Hazard Messaging Headlines in
May
Apr 7:
PNS21-25:
Hurricane Threats and Impacts (HTI) Mosaic Testing on
April 8, 2021
(Backup Date:
April 22, 2021
Apr 5:
PNS21-24:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
April 7, 2021
Apr 2:
PNS21-23:
Soliciting Comments through
May 1, 2021
on the Removal of Low Resolution Products from SBN/NOAAPort
Apr 2:
PNS21-22:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
April 6, 2021
Jun 30, 2022:
PNS21-21 Updated:
Soliciting Comments through
May 31, 2023
on Experimental Arrival of Tropical-Storm-Force Winds Graphics for the South Pacific and Western North Pacific Produced by the Central Pacific Hurricane Center (CPHC) Based on Forecasts from the Joint Typhoon Warning Center (JTWC)
Jun 30, 2022:
PNS21-20 Updated:
Soliciting Comments through
May 31, 2023
on Experimental Wind Speed Probability Graphics Produced by the Central Pacific Hurricane Center for Tropical Cyclones in the South Pacific and Western North Pacific Basins Based on Forecasts Issued by the Joint Typhoon Warning Center
Jun 30, 2022:
PNS21-19 Updated:
Soliciting Comments through
May 31, 2023
on Experimental Track and Error Cone Graphics Produced by the Central Pacific Hurricane Center for Tropical Cyclones in the South Pacific and Western North Pacific Basins Based on Forecasts Issued by the Joint Typhoon Warning Center
Mar 25:
PNS21-18:
Static Radar Image Files Return to EMWIN Services
March 24, 2021
Mar 25:
PNS21-17:
Network Maintenance on Computers Running NEXRAD and TDWR National Level II Data
March 27, 2021
Mar 23:
PNS21-16:
National Tsunami Warning Center National Pacific Coast Exercise PACIFEX21 on
March 24, 2021
Mar 12:
PNS21-15:
National Tsunami Warning Center National East Coast Exercise LANTEX21 on
March 17, 2021
Mar 9:
PNS21-14:
Soliciting Comments on the Upgrade of the Global Extratropical Surge and Tide Operational Forecast System (Global ESTOFS) to Version 2.0.1 through
April 8, 2021
Mar 8:
PNS21-13:
Soliciting Public Comments on the Proposed Upgrade of the CMAQ through
April 5, 2021
Mar 4:
PNS21-12:
Planned Major Change to NWS' Hazard Messaging Headlines
No Earlier Than Calendar Year 2024
Feb 16:
PNS21-11:
Soliciting Comments through
April 21, 2021
on Proposal to Discontinue Small Craft Exercise Caution Headline
Feb 16:
PNS21-10:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
February 17, 2021
Feb 10:
PNS21-09:
Soliciting Comments on Discontinuing the OPC Marine Weather Discussion (MIM): Effective
March 12, 2021
Mar 26:
PNS21-08 Updated:
Dissemination Testing for the Center Weather Advisory During the Month of
March 2021
Feb 8:
PNS21-07:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
February 10, 2021
Feb 5:
PNS21-06:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
February 9, 2021
Apr 28, 2022:
PNS21-05 Updated:
Comment Period on the Prototype Provision of Full-Resolution National Digital Forecast Database (NDFD) Data via Amazon Web Services (AWS) Extended through
April 28, 2023
Jan 28:
PNS21-04:
Soliciting Comments through
February 28, 2021
on Discontinuing the Marine Weather Discussion Text Product
Jan 9:
PNS21-03:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
January 14, 2020
Apr 27, 2023:
PNS21-02 Updated:
Soliciting Comments on the Experimental National Hydrologic Discussion through
June 30, 2024
Jan 8:
PNS21-01:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
January 12, 2021
Jan 8:
PNS20-28 Updated:
Soliciting Comments on the Experimental National Water Center Visualization Services through
December 31, 2022
Public
Information Statements 2020
Dec 10:
PNS20-91:
Soliciting Comments on Experimental Graphical Forecasts for Aviation over Alaska through
September 30, 2021
Dec 8:
PNS20-90:
Soliciting Comments through
January 7, 2021
on the Discontinuance of Certain Short-fused NWS Warning Update Statements
Dec 8:
PNS20-89:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
December 10, 2020
Dec 7:
PNS20-88:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
December 8, 2020
Nov 20:
PNS20-87:
Soliciting Comments through
December 20, 2020
on the Discontinuation of the Collaborative Nearshore Swell and Wind Forecast for Oahu
Nov 19:
PNS20-86:
Soliciting Public Comments through
December 19, 2020
on Proposed Changes to MRMS Products Available on SBN and the Removal of Binary Products from the MRMS System
Nov 18:
PNS20-85:
Seeking Comments on Proposed Changes to User Access of NCEP Web Services through
December 18, 2020
Sep 14, 2021:
PNS20-84:
Incorrectly issued.  See
PNS18-28 Updated:
Soliciting Comments on the Experimental Avalanche Weather Guidance Product through
April 30, 2022
Nov 13:
PNS20-83:
Soliciting Comments on the Use of NWS Frost and Freeze Products and Services through
December 17, 2020
Nov 10:
PNS20-82:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
November 13, 2020
Nov 10:
PNS20-81:
Soliciting Comments on the Proposed Transition of LAMP and GLMP Products from TGFTP to NCEP Web Services through
December 10, 2020
Nov 6:
PNS20-80:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
November 10, 2020
Nov 2:
PNS20-79:
Seeking Public Comment on the Prototype Instagram Social Media Service through
June 8, 2021
Dec 15:
PNS20-78 Updated:
Soliciting Comments through
January 15, 2021
on a Proposal to Add Polygons to Non-Weather Emergency  Messages (NWEMs) Disseminated by NWS in World Meteorological Organization (WMO) Text Products
Oct 27:
PNS20-77:
Soliciting Comments on a Format Change to the Rangeland Fire Danger Forecast Issued by WFO Corpus Christi, TX through
December 4, 2020
Oct 6:
PNS20-76:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
October 8, 2020
Oct 6:
PNS20-75:
Soliciting Comments on Proposed Changes to the Extreme Wind Warning (EWW) Text Product to Align with Impact-Based Warning (IBW) Format through
November 23, 2020
Oct 6:
PNS20-74:
Soliciting Comments on Discontinuing the Satellite-Derived Tropical Rainfall Estimate Text Product through
November 23, 2020
Oct 6:
PNS20-73:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
October 6, 2020
Oct 5:
PNS20-72:
Soliciting Comments on Discontinuing Temperature and Precipitation Table Product for Tennessee through
October 29, 2020
Nov 3:
PNS20-71 Updated:
Known Bugs Introduced into National Blend of Models (NBM) v4.0 Implementation
Tuesday, November 3, 2020
Oct 2:
PNS20-70 Updated:
Soliciting Comments through
October 30, 2020
for Potential Changes to Tsunami Advisory Text Product Formats
Oct 2:
PNS20-69 Corregido:
Se solicitan comentarios hasta el 30 de
Octubre de 2020
para posibles cambios en el formato de los productos de texto de Advertencia de Tsunami
Sep 25:
PNS20-68:
Network Maintenance on
September 28, 2020
to Affect Dissemination of Tsunami Products
Sep 24:
PNS20-67:
Soliciting Comments through
October 30, 2020
for Potential Changes to Tsunami Advisory Text Product Formats
Oct 7, 2024:
PNS19-36 Updated:
Soliciting Comments on Experimental Winter Storm Outlook through
May 15, 2025
Sep 16:
PNS20-66:
Soliciting Comments through
October 30, 2020
on Proposal to Change High Surf Advisory to a Plain-Language Statement
Sep 8:
PNS20-65:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
September 10, 2020
Sep 4:
PNS20-64:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
September 8, 2020
Aug 26:
PNS20-63:
Soliciting Comments through
September 30, 2020
on a Proposal to Terminate the Automated Flood Warning System (AFWS) Webpage
Aug 24:
PNS20-62:
Soliciting Comments on the Proposed Upgrade of LAMP and Gridded LAMP Guidance through
September 23, 2020
Aug 20:
PNS20-61:
Anchorage Federal Building Power Outage will Affect NWS Operational Data: Effective
Saturday, August 22, 2020
Aug 5:
PNS20-60:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
August 7, 2020
Aug 4:
PNS20-59:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
August 6, 2020
Jul 28:
PNS20-43 Updated:
Soliciting Comments through
August 21, 2020
on Proposed Major Changes to the NWS Watch, Warning and Advisory (WWA) System
Jul 27:
PNS20-58:
Hurricane Threats and Impacts (HTI) Mosaic Testing on
July 28, 2020
Jul 24:
PNS20-57:
Soliciting Comments on the Use of the Zone Forecast Product (ZFP) through
August 19, 2020
Jul 20:
PNS20-56:
Spanish-Language Survey Now Available as NWS Solicits Comments through
August 21, 2020
on Proposed Major Changes to the NWS Watch, Warning and Advisory (WWA) System
Jul 15:
PNS20-55:
Soliciting Comments through
August 17, 2020
on a Proposal to Implement Partial County Alerting via NWR and the EAS for Clark County, NV
Jul 10:
PNS20-54:
The Second ICAO APAC Volcanic Ash Exercise, Named APAC VOLCEX 20/02, is Scheduled for
July 16, 2020
and will Include the Honolulu Meteorological Watch Office, the Washington Volcanic Ash Advisory Center, and Center Weather Service Unit Oakland, CA
Jul 8:
PNS20-53:
Seeking Public Comment on the Proposed Impact-Based Reformatting of NWS Special Weather Statements and Added Issuance Phenomena through
August 6, 2020
Jul 6:
PNS20-52:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
July 9, 2020
Jul 6:
PNS20-51:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
July 8, 2020
Jul 2:
PNS20-50:
Seeking Comments through
August 2, 2020
on Proposed Replacement of RIDGE I Radar Webpage with RIDGE II Radar Webpage
Jun 30:
PNS20-49:
Seeking Public Comment through
July 30, 2020
on the Proposed Use of Impact-Based Damage Threat Categories in NWS Severe Thunderstorm Warnings
Jun 26:
PNS20-48:
Soliciting Comments on the Upgrade of the National Water Model to Version 2.1 through
August 5, 2020
Jun 26:
PNS20-47:
Soliciting Comments on Removing Certain Products from the Proposed Upgrade of the Nearshore Wave Prediction System through
July 26, 2020
Jun 23:
PNS20-46:
National Tropical Cyclone Watch Warning Product (TCV) Collaboration Testing on
June 24, 2020
Jun 18:
PNS20-45:
Anchorage Federal Building Power Outage will Affect NWS Operational Data: Effective
Saturday, June 20, 2020
Jun 17:
PNS20-44:
Soliciting Comments on the Proposed Upgrade of the GFS through
August 31, 2020
Jul 28:
PNS20-43 Updated:
Soliciting Comments through
August 21, 2020
on Proposed Major Changes to the NWS Watch, Warning and Advisory (WWA) System
Jun 8:
PNS20-42:
Soliciting Public Comments on the Removal of Certain gaugeQC Products through
July 8, 2020
Jun 8:
PNS20-41:
Soliciting Public Comments on Changing the Product Suite from the Proposed Upgrade of the Real Time Ocean Forecast System (RTOFS) Global Model through
July 8, 2020
Jun 8:
PNS20-40:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
June 11, 2020
Jun 8:
PNS20-39:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
June 12, 2020
Jun 3:
PNS20-38:
Soliciting Comments on the Proposed Upgrade of the Nearshore Wave Prediction System through
July 15, 2020
Jun 3:
PNS20-05 Updated:
Experimental Period for the 7-day Expansion of the National Fire Danger Rating System (NFDRS) Forecast Product (FWM): Effective
March 2, 2020 through August 31, 2020
Jun 1:
PNS20-37:
NWS is Soliciting Feedback from Specified Partner Sectors on their Use of NWS Tropical Products and Services through
June 30, 2021
Sep 1, 2022:
PNS20-36 Updated:
Soliciting Public Comments through
November 30, 2022
on an Experimental Graphic that Depicts the Peak Storm Surge Forecast from the Tropical Cyclone Public Advisory Product when Storm Surge Watch/Warnings are in Effect
May 20:
PNS20-35:
Announcing Partner Webinars in
June and July 2020
on Proposed Major Changes to the NWS Watch, Warning and Advisory (WWA) System
Oct 26, 2022:
PNS20-34 Updated:
Seeking Public Comment and Review on Additions to Experimental Severe Weather Impact Graphics through
April 30, 2023
May 18:
PNS19-24 Updated:
Soliciting Comments on Experimental Provision of Wet Bulb Globe Temperature (WBGT) Grids in the NDFD through
September 30, 2020
May 14:
PNS20-33:
Soliciting Public Comments on the Removal of Products from the Global Wave Deterministic Forecast System (Multi_1) through
June 13, 2020
May 14:
PNS20-32:
Soliciting Public Comments on the Proposed Upgrade of the RTOFS Global Model through
June 15, 2020
May 12:
PNS20-31:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
May 14, 2020
May 8:
PNS20-30:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
May 12, 2020
May 7:
PNS20-29:
National Safe Boating Week:
May 16-22, 2020
Jul 5, 2022:
PNS20-28 Updated:
Soliciting Comments on the Experimental National Water Center Visualization Services through
December 31, 2022
Apr 30:
PNS19-02 Updated:
Soliciting Comments until
April 30, 2023
on Addition of Probabilistic Snow Grids for select Weather Forecast Offices (WFOs) as an Experimental Element in the National Digital Forecast Database (NDFD) for the Contiguous United States (CONUS)
Apr 28:
PNS20-27:
Soliciting Comments on Discontinuing Temperature and Precipitation Table Product for Florida through
May 29, 2020
Apr 22:
PNS20-26:
Soliciting Comments on Proposed Changes to Wireless Emergency Alert (WEA) Wording for Snow Squall Warnings until
July 1, 2020
Apr 21:
PNS20-25:
Soliciting Public Comments on the Proposed Upgrades to the P-ETSS and ETSS Models through
May 22, 2020
Apr 21:
PNS20-24:
Soliciting Comments About an Upgrade of the High Resolution Ensemble Forecast (HREF) System through
June 24, 2020
Apr 20:
PNS20-23:
Hurricane Threats and Impacts (HTI) Mosaic Testing on
April 21, 2020
(Backup Date April 22)
Apr 20:
PNS20-22:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
April 21, 2020
Apr 13:
PNS20-21 Updated:
Soliciting Public Comments on Prototype Point Forecast Display through
May 15, 2020
Apr 9:
PNS19-15 Updated:
Soliciting Comments on the Experimental Tropical-Storm-Force Winds Timing Base Data through
November 30, 2020
Apr 7:
PNS20-20:
Soliciting Public Comments on the Removal of Products from the Global Wave Ensemble Forecast System (GWES) through
May 7, 2020
Apr 6:
PNS20-19:
Soliciting Public Comments on the Proposed Upgrade of the ESTOFS Global Extratropical Surge and Tide Operational Model through
July 7, 2020
Apr 3:
PNS20-18:
Soliciting Comments on the Termination of the San Francisco Marine Stratus Forecast System through
May 3, 2020
Apr 2:
PNS20-18A:
Removal of Ensemble Kernel Density Model Output Statistics (EKDMOS) grib2 Files and Discontinuing 0000/1200 UTC Cycles
Apr 1:
PNS20-17:
Soliciting Public Comments on the Removal of Products from the Global Forecast System (GFS) through
April 30, 2020
Apr 1:
PNS20-16:
Soliciting Comments on the Upgrade of the National Blend of Models Guidance through
May 22, 2020
Mar 31:
PNS20-15:
Soliciting Public Comments on the Proposed Upgrade of Hurricane Weather and Research Operational Model through
April 14, 2020
Jun 29:
PNS20-14 Updated:
Soliciting Comments on Proposal to Change Small Craft Advisory to Small Craft Warning Through
June 30, 2020
Mar 24:
PNS20-13:
Soliciting Public Comments on the Proposed Upgrade of the HMON Hurricane Operational Model Through
April 7, 2020
Mar 24:
PNS20-12 Updated:
The National Tsunami Warning Center National East Coast Exercise LANTEX20 has been
Postponed Until Further Notice
Mar 20:
PNS20-11:
Soliciting Comments through
May 19, 2020
on Potential Changes to Headlines Used in the El Niño/Southern Oscillation (ENSO) Alert System
Mar 17:
PNS20-10 Updated:
Postponed Test Dissemination of High Seas Forecast for the North Atlantic
Tuesday, March 17, 2020
Mar 9:
PNS20-09:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
March 12, 2020
Mar 9:
PNS20-08:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
March 10, 2020
Mar 4:
PNS20-07:
Soliciting Comments on the Changes to Product Timeliness Associated with Upgrade of Global Ensemble Forecast System Version 12.0 Model Implementation through
April 14, 2020
Mar 3:
PNS20-06:
Soliciting Comments on the Termination of the Model Diagnostic Discussion (PMDHMD) and 500-mb Height Preference Graphics through
April 14, 2020
Jun 3:
PNS20-05 Updated:
Experimental Period for the 7-day Expansion of the National Fire Danger Rating System (NFDRS) Forecast Product (FWM): Effective
March 2, 2020 through August 31, 2020
Feb 20:
PNS20-04:
Soliciting Comments through
March 21, 2020
on the Termination of the Ceiling and Visibility Analysis Static Imagery on or around
March 31, 2020
Feb 10:
PNS20-04A:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to take place on
February 13, 2020
Feb 11:
PNS20-03:
New Training Resource: The Weather, Water and Climate Enterprise: Enhancing Science, Service and Partnerships for a Weather-Ready Nation:
Available Now
Feb 7:
PNS20-03A:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
February 11, 2020
Jan 23:
PNS20-02:
Soliciting Comments through
February 22, 2020
on Proposal for Provisioning of NWS Data in Geospatial Form
Jan 16:
PNS20-01:
Soliciting Comments until
February 20, 2020
on Discontinuing the National Hurricane Center Spanish Translation of the Tropical Cyclone Discussion for the Atlantic Basin
Jan 13:
PNS20-02A:
National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on
January 16, 2020
Jan 10:
PNS20-01A:
NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on
January 14, 2020
Public Information Statements 2019
Nov 10, 2020:
PNS19-33 Updated:
Extending the Status of the Experimental Beach Forecast Webpage and the Experimental Rip Current Risk Graphic until a New NWS GIS Viewer is Implemented at a
Date to be Determined
May 18, 2020:
PNS19-24 Updated:
Soliciting Comments on Experimental Provision of Wet Bulb Globe Temperature (WBGT) Grids in the NDFD through
September 30, 2020
Apr 9, 2020:
PNS19-15 Updated:
Soliciting Comments on the Experimental Tropical-Storm Force Winds Timing Base Data through
November 30, 2020
May 5, 2020:
PNS15 Updated:
Comment Period Extended through
April 30, 2023
on the Experimental Lake Effect Snow (LES) Warning Polygons from NWS Weather Forecast Offices (WFOs) Buffalo, NY; Binghamton, NY and Albany, NY
May 27, 2020:
PNS15 Updated:
Soliciting Comments until
April 30, 2021
on the Days 3-7 Winter Storm Threat Index from NWS Weather Forecast Offices (WFOs) Baltimore, MD/Washington, DC, State College, PA and Wakefield, VA
Oct 20, 2023:
PNS14 Updated:
Soliciting Comments until
April 30, 2024
on the Continuation of the Probabilistic Winter Precipitation Forecast Experiment
Dec 30:
PNS19-07 Updated:
Removal of Redbook Graphics, GIF Images, Fax Charts, AFOS Products and Bulletins: Effective
December 30, 2019
Dec 17:
PNS19-39:
Soliciting Comments through
January 17, 2020
on the Addition of 60-hour Tropical Cyclone Forecasts When Applicable
Jan 28, 2025:
PNS19-38 Updated:
Soliciting Comments on the Experimental Probabilistic Quantitative Precipitation Forecast (PQPF) Webpages through
November 21, 2025
Dec 2:
PNS19-37:
Soliciting Public Comments on the Removal of Products from the Global Ensemble Forecast System (GEFS) through
December 31, 2019
Oct 7, 2024:
PNS19-36 Updated:
Soliciting Comments on Experimental Winter Storm Outlook through
May 15, 2025
Oct 17:
PNS19-35 Updated:
Soliciting Comments on the Experimental Enhanced Helicopter Emergency Medical Services Tool through
January 17, 2020
Oct 17:
PNS19-34:
NWS is Soliciting Comments/Feedback on a New Experimental Product, Alaskan Aviation Guidance (AAG) from
October 17, 2019 through October 16, 2020
Oct 15:
PNS15 Updated:
Continuing Experimental Status of Offshore and High Seas Gridded Forecast in the Pacific Basin through
June 30, 2020
Nov 10, 2020:
PNS19-33 Updated:
Extending the Status of the Experimental Beach Forecast Webpage and the Experimental Rip Current Risk Graphic Until a New NWS GIS Viewer is Implemented at a
Date to be Determined
Oct 10:
PNS19-32:
NWS is Soliciting Comments through
May 15, 2020
on the Proposed Implementation of U.S. Meteorological Information Exchange Model (IWXXM) Data Format to Report Aviation Weather Information
Oct 10:
PNS19-31:
Soliciting Comments on Proposed Changes to Wireless Emergency Alert (WEA) Wording for Flash Flood Warnings until
November 10, 2019
Oct 4:
PNS17-03 Updated:
Soliciting Comments until
April 15, 2020
on the Experimental Winter Storm Severity Index (WSSI)
Sep 26:
PNS19-30:
Soliciting Comments on Experimental Graphical Forecasts for Aviation for the Pacific Ocean through
December 31, 2019
Apr 20, 2021:
PNS19-29 Updated:
Soliciting Comments on the Experimental Water Information Interface Webpage until
December 31, 2021
Sep 19:
PNS19-28:
Comments Sought on Proposed Implementation of International Civil Aviation Organization Mandated Space Weather Advisory Products by
October 1, 2019
Sep 17:
PNS19-27:
Soliciting Public Comments on the Removal of the DMSP/SSM/I Neural Net 3 Product on NOAAPort and GTS through
October 18, 2019
Sep 17:
PNS19-26:
Seeking Comments on the Termination of NWSTG TUA to BUFR Conversion through
October 16, 2019
Sep 11:
PNS19-25:
Notifying of Users of the Opportunity to Submit Comments on the Proposed Termination of U.S. Coast Guard Medium Frequency Broadcast of NAVTEX and Shift to Satellite through
November 12, 2019
May 18, 2020:
PNS19-24 Updated:
Soliciting Comments on Experimental Provision of Wet Bulb Globe Temperature (WBGT) Grids in the NDFD through
September 30, 2020
Aug 23:
PNS19-23:
Soliciting Comments on Experimental Provision of Lightning Climatology through
March 31, 2020
Jul 24:
PNS19-22:
Nationwide Emergency Alert System Test Scheduled for
August 7, 2019
Jul 3:
PNS19-21:
Soliciting Comments on Discontinuing the Text Only River Forecast and Daily River Text Products in Alaska until
August 2, 2019
Jun 26:
PNS19-20:
Opportunity to Participate in Partner Webinars on
July 24 and July 25, 2019
on Possible Changes to the NWS Watch, Warning and Advisory (WWA) System
Jun 6:
PNS19-19
Updated:
Soliciting Comments on Experimental Modernized Open Lakes Forecast for the Great Lakes through
November 30, 2019
Jun 4:
PNS19-18:
Soliciting Comments on the Upgrade of Experimental National Blend of Models Guidance through
August 31, 2019
May 30:
PNS19-17:
National Tropical Cyclone Watch Warning Product Collaboration Tests
June 3-6, 2019
May 29:
PNS19-16:
Soliciting Comments on the Experimental Tropical Cyclone JavaScript Object Notation (JSON) File
May 31, 2019 through November 30, 2019
Apr 9, 2020:
PNS19-15 Updated:
Soliciting Comments on the Experimental Tropical-Storm-Force Winds Timing Base Data through
November 30, 2020
May 22:
PNS19-14:
Soliciting Comments on the Experimental Nearshore Wave Prediction System (NWPS) Gulf Stream Forecast Guidance Webpage for WFO Miami, FL through
December 31, 2019
May 17:
PNS19-13
: Soliciting Comments through
June 30, 2019
on the Use of Impact-Based Warning Format for Flash Flood Warnings
May 16:
PNS19-12:
Updated Data-Feed for Experimental ETSS and P-ETSS Websites: Effective
May 28, 2019
May 11:
PNS19-11:
National Safe Boating Week:
May 18-24, 2019
May 10:
PNS19-10:
National Tropical Cyclone Watch Warning Product (TCV) Product Collaboration Tests to Run
May 13-16, 2019
May 6:
PNS19-09:
Update on GFS Version 15.1 Model Implementation: Effective
May 6, 2019
May 1:
PNS19-08:
Soliciting Comments on Discontinuing the Alaska Pacific River Forecast Center (APRFC) Hydrometeorological Discussion (HMD) Text Product through
May 31, 2019
Dec 30:
PNS19-07 Updated:
Removal of Redbook Graphics, GIF Images, Fax Charts, AFOS Products and Bulletins: Effective
December 30, 2019
Apr 5:
PNS19-06:
Soliciting Comments on the Termination of Products Generated from the Guantanamo Bay, Cuba ARSR-4 Radar through
May 9, 2019
Mar 20:
PNS15 Updated:
Comment Period Extended until
April 18, 2019
for the Experimental Gate Forecast
Mar 7:
PNS15ehwo_aaa.pdf
Updated:
Expansion of Offices and Solicitation of Comments for the Experimental Enhanced Hazardous Weather Outlook through
June 30, 2019
Sep 7, 2021:
PNS19-05
Updated:
Expanding and Extending the Experimental Comment and Review of the NWS use of Live Video Streaming via Facebook Live and Twitter Live through
April 28, 2022
Mar 8:
PNS19-04:
Change of GOES-W Mesoscale Domain Sector 2 Default Center Position on
March 5, 2019
June 28, 2024:
PNS19-03 Updated:
Soliciting Comments on the Experimental Graphical Hazardous Weather Outlook (GHWO) through
February 28, 2025
Oct 20, 2023:
PNS19-02 Updated:
Soliciting Comments until
April 30, 2024
on Availability of Probabilistic Snow Grids for Select Weather Forecast Offices (WFOs) as an Experimental Element in the National Digital Forecast Database (NDFD) for the Contiguous United States (CONUS)
Jan 26, 2022:
PNS19-01 Updated:
Soliciting Public Comments on Experimental Probabilistic Flood Outlook Summary through
May 31, 2023
Public
Information Statements 2018
Dec 19:
PNS18-36:
NWS Planning to Disseminate Blue Alerts at a
Date to be Determined
Dec 14:
PNS18-35:
Soliciting Comments on the Termination of WSR-88D Product 171 on or around
February 28, 2020
Dec 14:
PNS18-34:
Soliciting Comments on the Termination of TDWR Products on or around
June 28, 2019
Nov 30:
PNS18-33:
Soliciting Public Comment through
December 31, 2018
on Proposed 360 Character NWS Messages for Select Weather Warnings Carried by WEA
Nov 15:
PNS18-32:
Soliciting Comments on Experimental Graphical Forecasts for Aviation for the Gulf of America, Caribbean Sea and Western North Atlantic Ocean through
December 31, 2018
Nov 6:
PNS18-31
: Soliciting Comments on the Termination of the GEFS MOS Product (MEN) and GMOS/MOSGuide through
December 31, 2018
Oct 19:
PNS18-30:
Comments Solicited on Addition of Snow Level Grids for Select CONUS WFOs as an Experimental Element in the NDFD through
April 30, 2019
Oct 16:
PNS18-29:
NWS Hazard Simplification (Haz Simp) Project: Soliciting Public Comments through
November 10, 2018
on Proposed Consolidation of NWS Winter Precipitation Warning Products
Sep 14, 2021:
PNS18-28 Updated:
Soliciting Comments on the Experimental Avalanche Weather Guidance Product through
April 30, 2022
Sep 17:
PNS18-26 Updated:
Nationwide Wireless Emergency Alert and Emergency Alert Systems Tests Scheduled for
October 3, 2018
Sep 13:
PNS18-27:
Alerting Partners to the Potential for Non-Sequential Tropical Cyclone (TC) Storm Numbering in the Atlantic Basin: Effective
Immediately
Sep 17:
PNS18-26 Updated:
Nationwide Wireless Emergency Alert and Emergency Alert Systems Tests Scheduled for
October 3, 2018
Aug 31:
PNS18-25:
Soliciting Comments on the Experimental Lake Erie Harmful Algal Bloom Webpage Hosted by WFO Cleveland, OH through
October 31, 2018
Aug 28:
PNS18-24:
Soliciting Comments on Experimental Graphics Provided by the CPHC for Tropical Cyclones in the South Pacific Basin Based on Forecasts Issued by the JTWC through
December 31, 2018
Aug 23:
PNS18-23:
Soliciting Comments through
September 26, 2018
on Changes to VTEC and Event Tracking Numbers (ETNs) for Domestic Tsunami Test Products
Aug 8:
PNS18-22:
NWS Hazard Simplification Project: Collecting Public Comment on the Proposed Consolidation and Reformatting of NWS Flood Hazard Messaging Products through
September 7, 2018
Aug 6:
PNS18-21:
National Tropical Cyclone Watch Warning Product (TCV) Product Collaboration Tests
August 6-10, 2018
Jul 31:
PNS18-20:
Soliciting Comments on Proposed Format Change to the Surf Zone Forecast through
August 31, 2018
Jul 16:
PNS18-19:
Soliciting Comments on the Annotated Outline of NOAA's Subseasonal and Seasonal Forecasting Innovation: Plans for the 21st Century, a Report to Congress through
August 10, 2018
Jul 2:
PNS18-18:
Soliciting Comments on an Experimental Arrival of Tropical-Storm-Force Winds Base Data through
November 30, 2018
Jun 15:
PNS18-17:
NWS Test of Fixed Grid Mapped Geostationary Operational Environmental Satellite-16 (GOES-16) Imagery,
June 14-15, 2018
Jun 8:
PNS18-16:
NOAAPort/SBN Earth Station – Registration of Earth Station Receive Antenna(s)
May 22:
PNS18-15:
Soliciting Comments on the Proposed Upgrade of the GFS through
July 15, 2018
May 21
PNS18-14:
Soliciting Comments on the Proposed Upgrade of the RTMA/URMA/RTMA-RU through
June 18, 2018
May 17:
PNS18-13:
Soliciting Comments on Proposed Termination of County-based Flash Flood Guidance (FFG) at All Locations through
June 30, 2018
May 17:
PNS18-12:
National Tropical Cyclone Watch Warning Product (TCV) Product Collaboration Tests
May 21-24, 2018
May 15:
PNS18-11:
NWS Hazard Simplification (Haz Simp) Project: Soliciting Public Comments through
June 15, 2018
on Proposed Consolidation and Reformatting of NWS Non-Precipitation Weather Hazard Products
May 14:
PNS18-10
National Safe Boating Week:
May 19-25, 2018
May 11:
PNS18-08 Updated:
Comment Period Extended through
June 30, 2018
on the Proposed Termination of the NWS Hydrologic Information Center (HIC) Website
May 8:
PNS18-09:
Science Improvements to the Suomi National Polar-orbiting Partnership (S-NPP) Satellite's NUCAPS Atmospheric Soundings Products: Effective
May 3, 2018
May 11:
PNS18-08 Updated:
Comment Period Extended through
June 30, 2018
on the Proposed Termination of the NWS Hydrologic Information Center (HIC) Website
Apr 27:
PNS18-07:
Changes to Section E of the Post Tropical Cyclone Report (PSH) Noted in the 2018 Version of NWSI 10-601 Will Be
Delayed Until Further Notice
Apr 26:
PNS18-06:
Soliciting Comments on PQPF Graphics from
May 1, 2018 through March 1, 2019
Apr 2:
PNS18-05:
Soliciting Public Comments on the Proposed Upgrade of the CMAQ through
April 13, 2018
Mar 27:
PNS18-04 Updated:
Soliciting Comments through
June 30, 2018
on Proposed Enhancements to the Alaska River Ice Breakup Map
Mar 21:
PNS18-03:
Soliciting Public Comments on the Proposed Upgrade of HWRF and HMON Operational Models through
April 12, 2018
Mar 15:
PNS18-02:
Soliciting Comments on the Upgrade of Experimental National Blend of Models Guidance through
June 27, 2018
Mar 13:
PNS18-01 Updated:
Soliciting Public Comments on the Proposed Upgrade of the NLDAS Operational System through
April 9, 2018
Jan 30:
PNS15er_lwx_winter_threat_aab.pdf
Updated:
Soliciting Comments until
April 30, 2018
on the Days 3-7 Winter Storm Threat Index from NWS Weather Forecast Office (WFO) Baltimore, MD/Washington, DC
Public Information Statements 2017
Dec 20:
PNS17-40:
Soliciting Comments on the Proposed Upgrade of the RAP and HRRR Operational Models through
January 20, 2018
Dec 19:
PNS17-39:
Soliciting Comments on Proposed Discontinuation of High Seas and Storm Warning Over NIST Time Frequency Broadcasts through
January 20, 2018
Dec 14:
PNS17-38:
Soliciting Comments on Proposed Termination of TAFs at the Following Locations: Gage, OK (KGAG) and Hobart, OK (KHBR) through
January 15, 2018
Dec 12:
PNS17-37:
NWS Hazard Simplification (Haz Simp) Project: Soliciting Public Comments through
January 11, 2018
on Proposed Consolidation and Reformatting of NWS Marine Hazard Messaging Products
Nov 7:
PNS17-36:
Soliciting Comments on the Experimental Extreme Precipitation Monitor Starting
November 8, 2017 through April 30, 2018
Nov 6:
PNS17-35:
Soliciting Comments on the Experimental National Forecast Chart Starting
November 7, 2017 through December 1, 2018
Oct 26:
PNS17-34:
Soliciting Comments on Experimental NOAA NWS Runoff Risk Analysis Data (Version 2) for the Great Lakes States through
November 30, 2018
Oct 24:
PNS17-33 Updated:
Soliciting Public Comments on the Extended Traffic Flow Management (TFM) Convective Forecast (TCF) Experimental Product through
May 15, 2018
Sep 20:
PNS17-32:
Soliciting Comments until
October 24, 2017
on the Proposed Termination of the EMWIN ByteBlaster and HostMaster Services
Oct 6:
PNS17-31 Updated:
NWS Hazard Simplification (Haz Simp) Project: Soliciting Public Comments through
October 12, 2017
on Proposed Consolidation and Reformatting of NWS Marine Hazard Messaging Products
Aug 22:
PNS17-30 Updated:
Soliciting Comments through
September 15, 2017
on the Proposed Operations Implementation of Polygon-based Snow Squall Warnings, and Dust Storm Warnings and Advisory Products
Aug 9:
PNS17-29:
Soliciting Comments on Proposed Termination of Earthquake Report Messages through
September 15, 2017
Aug 1:
PNS17-28:
Soliciting Comments on the Proposed Transition of the NWS EMWIN FTP Service through
September 15, 2017
Jul 10:
PNS17-27:
Soliciting Comments on Termination of the National Convective Weather Diagnostic and Forecast Product (NCWD/NCWF) until
September 30, 2017
Jun 26:
PNS17-26:
Soliciting Comments on Proposed Changes to 500 mb Forecasts and Terminating Production of a Small Suite of Products through
July 31, 2017
Jul 25:
PNS17-25 Updated:
National Tropical Cyclone Watch Warning Product (TCV) Product Collaboration Tests Starting
July 26, 2017
Jun 5, 2017:
PNS15beach_forecast_aab.pdf
Updated:
Soliciting Comments on the Experimental Beach Forecast Webpages and the Experimental Rip Current Risk Graphics until
March 30, 2018
May 19:
PNS17-24:
National Safe Boating Week
May 20-26, 2017
May 11:
PNS17-23:
Climate Prediction Center is Soliciting Comments through
September 1, 2017
on a Proposal to Discontinue the HTML Format of the ENSO Diagnostic Discussion
May 5:
PNS17-22:
Soliciting Comments on an Experimental Arrival of Tropical-Storm-Force Winds Graphic through
November 30, 2017
May 5:
PNS17-21:
National Tropical Cyclone Watch Warning Product (TCV) Product Collaboration Tests Starting
May 8, 2017
May 1:
PNS17-20
: Soliciting Comments on MDL Model Output Statistics (MOS) Product Suite through
June 30, 2017
Apr 27:
PNS17-19:
Soliciting Public Comments on the Proposed Upgrade of 2.5 km Gridded Model Output Statistics Guidance Over the CONUS to Operational Status through
May 31, 2017
Apr 27:
PNS17-18:
Change of Heat Advisory Thresholds for New England: Effective
Immediately
Apr 24:
PNS17-17:
Soliciting Comments on the Proposed Changes to the Surface Analyses and Surface Forecast Charts through
May 24, 2017
Apr 21:
PNS17-16:
Soliciting Comments on Proposed Termination of the State Forecast Product until
June 21, 2017
Apr 17:
PNS17-15
: New Geographic Information Service (GIS) Service: radar_base_reflectivity_time: Effective
May 15, 2017
Apr 14:
PNS15cpc_week_2-4_outlooks_aaa.pdf
Updated:
Soliciting Comments on Experimental Weeks 3-4 Precipitation Outlooks through
April 15, 2018
Apr 14:
PNS17-14 Updated:
Exploring Use of Facebook Live and Periscope Social Media Application through Approximately
August 31, 2017
Apr 11:
PNS17-13:
NWS Hazard Simplification Project: Collecting Public Comment on a Proposed Operational Demonstration to Consolidate and Reformat NWS Winter and Flood Hazard Messaging Products through
May 31, 2017
Apr 7:
PNS17-12:
Seeking Public Comment and Review on a Prototype Regional Rainfall Webpage from NWS Corpus Christi, TX through
October 4, 2017
Apr 3:
PNS17-11 Updated:
Soliciting Comments on the Experimental Aviation Surface Forecast and Aviation Cloud Forecast Graphics through
April 30, 2017
Mar 14:
PNS17-11A:
Changes to the Graphical Tropical Weather Outlook (GTWO) Issued by the National Hurricane Center: Effective on or around May 15, 2017
Mar 9:
PNS13great_lakes_wave_aab.pdf
Updated:
Soliciting Comments on the Experimental Maximum Wave Height in Great Lakes Open Lake Forecast (GLF) and Nearshore Forecast (NSH) through
December 31, 2017
Mar 8:
PNS17-10:
Soliciting Comments through
April 9, 2017
on Proposed Changes to the Suite of Graphics and GIS Files Accompanying Tropical Cyclone Advisory Packages
Feb 21:
PNS17-09:
Soliciting Comments on Proposed Termination of Three National Hurricane Center Guidance Messages through
March 23, 2017
Feb 15:
PNS17-08 Updated:
Soliciting Public Comments through
October 31, 2017
on Changes to the Legacy Collaborative Convective Forecast Product (CCFP)
Feb 13:
PNS17-07:
Soliciting Public Comments on the Removal of GFDL Hurricane Model Products and Addition of New HMON Hurricane Model Products through
March 17, 2017
Feb 13:
PNS17-06:
Soliciting Comments on the Removal of NCEP's Hurricane Wave (Multi_2) Modeling System through
March 17, 2017
Feb 2:
PNS17-05
Updated:
Climate Prediction Center Changing to Grid-based Historical Data for Production of the Degree Day Outlook Product Beginning
March 16, 2017
Feb 2:
PNS17-04:
Soliciting Comments through
March 4, 2017
on Changing Criteria for Issuing Tropical Cyclone Watches and Warnings to Include Certain Land-threatening Disturbances that are not yet Tropical Cyclones
Oct 4, 2019:
PNS17-03 Updated:
Soliciting Comments until
April 15, 2020
on the Experimental Winter Storm Severity Index (WSSI)
Jan 18:
PNS17-02 Updated:
Soliciting Comments on Proposed Changes to the Automated Surface Observing Systems (ASOS) Augmentation and Backup Responsibilities in Alaska and Pacific Regions and Backup Responsibilities in Alaska and Pacific Regions through
March 6, 2017
Jan 23:
PNS17-01:
NWS Hazard Simplification Project Activity #3: Collecting Public Comments on a Winter Weather Hazard Messaging "Episode" through
February 19, 2017
Public Information Statements 2016
Dec 22:
PNS15day_4-7_exp_aaa.pdf
Updated:
Solicitation of Comments on the Experimental Day 4-7 Winter Weather Outlook through
March 31, 2017
Dec 14:
PNS16-43:
Soliciting Public Comments on the Removal of NCEP's Great Lakes Wave (GLW) Forecast System NAM-driven Cycles through
January 6, 2017
Dec 12:
PNS14sr_wind_compression_exp_aab.pdf
Updated:
Extend the Comment Period for the Experimental Wind Compression Decision Support Graphic at the Fort Worth, TX, Center Weather Service Unit (CWSU) (ZFW) and to Begin Accepting Comments at the New York, NY CWSU (ZNY) through
May 2017
Dec 7:
PNS16-42 Corrected:
Soliciting Comments on the Operational Implementation of the Hurricane Local Watch/Warning Product (TCV) at WFO Honolulu, HI (HFO) through
January 6, 2017
Dec 7:
PNS16-41 Corrected:
Soliciting Comments on Proposed Changes to the Hurricane Local Statement (HLS) from WFO Honolulu, HI (HFO) through
January 6, 2017
Nov 29:
PNS16-40:
NWS Hazard Simplification Project Activity #2: Collecting Public Comment on a Proposed Consolidation and Reformatting of Winter Advisory and Flooding Watch and Advisory Products through
December 31, 2016
Nov 23:
PNS16-39:
Soliciting Comments until
January 31, 2017
on the Removal of NBM Apparent Temperature and Relative Humidity Grids from NOAAPort
Nov 21:
PNS16-38:
Soliciting Comments until
December 21, 2016
on an NWS Proposal to Move to Common Alerting Protocol Version 1.2 Messages on
February 1, 2017
Nov 16:
PNS16-37:
Soliciting Comments until
January 19, 2017
on the Proposed Termination of the Weather Activity Planner
Nov 14:
PNS16-36:
Soliciting Public Comments on the Removal of NCEP RTOFS Atlantic Forecasting System through
December 15, 2016
Oct 17:
PNS16-35:
Soliciting Comments on Changes to the NWS Forecast Website at forecast.weather.gov through
November 15, 2016
Oct 19:
PNS16-34 Updated:
Soliciting Public Comments on the Removal of North American Model (NAM) and Downscaled GFS by NAM Extension (DGEX) Products through
November 11, 2016
Nov 28:
PNS16-33 Updated:
Soliciting Comments on the Experimental Modernized Open Lakes Forecast for the Great Lakes through
March 31, 2018
Sep 27:
PNS14cwf_rayleigh_aab.pdf
Updated:
Soliciting comments on the Experimental Enhanced Coastal Waters Forecast Using Rayleigh Distribution for Wave Heights through
January 11, 2018
Sep 15:
PNS16-32:
Soliciting Comments until
September 15, 2017
on the Experimental Post Wildfire Debris Flow and Flash Flood Webpage
Sep 8:
PNS16-31:
Soliciting Comments until
September 30, 2016
on Discontinuing the Texas River and Recreation Advisory (RVSFWR)
Sep 7:
PNS16-30:
Effective
September 7, 2016
, NWS is Launching a New Website for the NWS Hazard Simplification Project and Soliciting Feedback on Two Optional Hazard Maps for the weather.gov Homepage
Aug 26:
PNS16-29:
Soliciting Comments on the Experimental Water Information Interface Webpage until
February 21, 2017
Jul 29:
PNS16-28:
Exploring Use of Instagram Social Media Service from
August 1, 2016 through Approximately November 2, 2016
Jul 26:
PNS16-27:
Solicitation of Comments on Experimental National Digital Forecast Database (NDFD) 3km Alaska Region (AR) Forecast Grids: Effective
August 24, 2016
Jul 21:
PNS16-26:
Experimental Offshore Waters Forecasts for the Northeast Pacific Ocean within 250 NM of Mexico, Central America, Colombia and Ecuador: Effective
July 20, 2016
Jul 14:
PNS16-25:
National Tropical Cyclone Watch Warning Product (TCV) Product Collaboration Tests
July 18-21, 2016
Jul 11:
PNS16-24:
Seeking Public Comment and Review on Experimental Severe Weather Impact Graphics through
December 31, 2016
(Continental U.S. Only)
Jul 11:
PNS16-23:
Soliciting Public Comments through
August 11, 2016
on Updated Description of NWS Use of Twitter
Aug 1:
PNS16-22 Corrected:
Soliciting Comments until
July 30, 2016
on Security Updates for the NWS Email Data Input System (EDIS)
Jul 28:
PNS16-21 Amended:
Soliciting Comments through
November 30, 2016
on Proposed Changes to Tropical Cyclone Watch/Warning (TCV) and Hurricane Local Statement (HLS) Products for Atlantic Tropical Cyclones Affecting the Continental U.S.
Jun 27:
PNS16-20:
Soliciting Comments through
July 27, 2016
on the Aviation Weather Center (AWC) Experimental Impacts Terminal Aerodrome Forecast (TAF) Board
Jun 7:
PNS16-19:
Change to the Contact Information of Pressure Standards Laboratory: Effective
June 16, 2016
Jun 3:
PNS16-18 Corrected:
National TCV Product Collaboration Tests:
June 6-9, 2016
May 27:
PNS16-17:
Soliciting Comments until
June 30, 2016
on the Proposed Termination of the Production of Legacy Redbook Graphics
May 25:
PNS16-16:
"Don't Fry Day"
Friday, May 27, 2016:
Excessive Heat and Sun Safety Guidance for
2016 Season
May 20:
PNS16-15:
National Safe Boating Week:
May 21-27, 2016
May 19:
PNS16-14:
Child Vehicular Heatstroke Awareness and Prevention Safety Guidance for
2016
May 18:
PNS16-13:
Soliciting Comments until
June 17, 2016
on Proposed Changes to the Excessive Rainfall Outlook
May 16:
PNS16-12:
Comments Sought by
July 15, 2016
on National Weather Service Philosophy for Impact-based Decision Support Services
May 10:
PNS16-11:
Soliciting Comments until
June 15, 2016
on Proposed Changes to the Distribution Times of the Northern Hemispheric Chart and Day 4-5 and Day 6-7 Quantitative Precipitation Forecasts
May 10:
PNS16-10:
Mixed-case Text/95 ASCII Character Set Short Duration Watch, Warning and Advisory Product Examples: Tentatively Scheduled
July–August 2016
Apr 4:
PNS16-09:
Soliciting Comments through
June 6, 2016
on the Experimental AWC PIREP Online Submission Form
Apr 4:
PNS16-08:
Soliciting Comments on New Weather Prediction Center Homepage from
April 5 until July 1, 2016
Apr 4:
PNS16-07:
Exploring Use of Periscope Social Media Application through Approximately
July 31, 2016
Mar 29, 2016:
PNS14forecast_obs_widget_aab.pdf
Updated:
Soliciting Comments on the Adaptable NWS Forecast/Observation Widget through
April 7, 2017
Feb 29:
PNS16-06:
Soliciting Comments by
October 28, 2016
on the Experimental Collaborative Aviation Weather Statement (CAWS)
Feb 22:
PNS16-05:
Soliciting Comments until
March 31, 2016
on the Proposed Termination of the NWS weather.noaa.gov (WNG) Website
Feb 17:
PNS16-04:
Soliciting Public Comments on the Removal of Legacy Global Forecast System (GFS) Gridded Output through
March 25, 2016
Feb 5:
PNS16-03:
Change to the Name of the Recreational Report (RECAFG) from Mount McKinley, AK Recreational Forecast to Denali, AK Recreational Forecast: Effective on or about
April 20, 2016
Feb 5:
PNS16-02:
Soliciting Comments until
March 15, 2016
on the Expansion of the Operational Marine Forecast Matrix Produced by WFO Honolulu, HI to National Scope
Feb 2, 2016:
PNS14nwps_exp_aab.pdf
Updated:
Soliciting Comments on the NWPS Model Experimental Output through
December 30, 2016
Jan 13:
PNS15runoff_exp_comment_extension_aaa.pdf
Updated:
Comment Period Extended until
February 29, 2016
for Proposed Expansion of NWS Support for Multi-Agency Runoff Risk Forecasts
Apr 8:
PNS16-01 Updated:
Comment Period Extended for Experimental Graphical Forecasts for Aviation through
June 11, 2016
Public Information Statements 2015
Jun 5, 2017:
PNS15beach_forecast_aab.pdf
Updated:
Soliciting Comments on the Experimental Beach Forecast Webpages and the Experimental Rip Current Risk Graphics until
March 30, 2018
Feb 18:
PNS15caws.pdf:
Soliciting Comments by
October 31, 2015
on the Experimental Collaborative Aviation Weather Statement (CAWS)
May 1:
PNS15child_heat_vehicle.pdf:
Child Vehicular Heatstroke Awareness and Prevention Safety Guidance for
2015
Jul 24:
PNS15coastal_safety.pdf:
Summer Boating Safety This Summer
(2015)
Apr 14, 2017:
PNS15cpc_week_2-4_outlooks_aaa.pdf
Updated:
Soliciting Comments on Experimental Weeks 3-4 Precipitation Outlooks through
April 15, 2018
Dec 22, 2016:
PNS15day_4-7_exp_aaa.pdf
Updated:
Solicitation of Comments on the Experimental Day 4-7 Winter Weather Outlook through
March 31, 2017
May 21:
​
PNS15dont_fry_day.pdf:
"Don't Fry Day"
May 22, 2015
: Excessive Heat and Sun Safety Guidance for
2015 Season
Mar 7, 2019:
PNS15ehwo_aaa.pdf
Updated:
Expansion of Offices and Solicitation of Comments for the Experimental Enhanced Hazardous Weather Outlook through
June 30, 2019
Jan 30, 2018:
PNS15er_lwx_winter_threat_aab.pdf
Updated:
Soliciting Comments until
April 30, 2018
on the Days 3-7 Winter Storm Threat Index from NWS Weather Forecast Office (WFO) Baltimore, MD/Washington, DC
Feb 24, 2015:
PNS12exp_ice_storm_index_aad.pdf
Updated:
Soliciting Comments through
April 15, 2015
on an Experimental Sperry-
Piltz Ice Accumulation Index at Select NWS Weather Forecast Offices
Feb 18:
PNS14exp_model_spectrum_aaa.pdf
Updated:
Soliciting Comments until
July 31, 2015
on the Experimental Model Spread/Spectrum
Jul 7:
PNS14exp_waterspout_coding_aaa.pdf
Amended:
NWS is Accepting Comments on the Experimental Addition of Waterspout Coding to the Special Marine Warning in the Great Lakes of Superior, Huron and Michigan through
November 30, 2015
Mar 20, 2019:
PNS15 Updated:
Comment Period Extended until
April 18, 2019
for the Experimental Gate Forecast
Sep 1:
PNS15fos_term.pdf:
Soliciting Comments until
October 2, 2015
on the Proposed Termination of the Family of Services (FOS) Program
Apr 1:
PNS15glf_dtx.pdf:
Soliciting Comments on the Experimental Modernized Open Lakes Forecast for the Great Lakes from
April 1, 2015 to January 1, 2016
Nov 18:
PNS15gulf_stream.pdf:
Soliciting Comments on the Gulf Stream Forecast Webpage until
December 30, 2016
Aug 4:
PNS15haz_simp_workshop.pdf
National Weather Service to Hold Hazard Simplification Workshop
October 27-29, 2015
to Discuss Possible Changes to NWS Watch, Warning and Advisory System
Dec 1, 2021:
PNS15hefs Updated:
Extending Public Comment Period on Experimental Short Range River Forecast Uncertainty Graphic through
January 15, 2022
Feb 25:
PNS15hems.pdf:
Soliciting Comments by
March 20, 2015
on the Experimental Helicopter Emergency Medical Services (HEMS) Tool
Oct 15, 2019:
PNS15 Updated:
Continuing Experimental Status of Offshore and High Seas Gridded Forecast in the Pacific Basin through
June 30, 2020
Apr 9, 2015:
PNS14hls_spanish_brownsville_aaa.pdf:
Soliciting Comments until
November 30, 2015
on Experimental Spanish Language Hurricane Local Statement Issued by the NWS Weather Forecast Office in Brownsville, TX
Aug 12:
PNS15hurricane_threats.pdf:
Soliciting Comments on Experimental Hurricane Threats and Impacts Web Interface through
November 30, 2015
Sep 10:
PNS15ibw_aab.pdf
Amended:
Soliciting Comments until
November 4, 2015
on Experimental Impact Based Warnings
Nov  17:
PNS15intl_dept_gate_forecast.pdf:
Experimental International Arrival and Departure Gate Forecasts: Effective
Tuesday, December 1, 2015
Nov 22, 2022:
PNS15 Updated:
Comment Period Extended through
April 30, 2023
, on the Experimental Lake Effect Snow (LES) Warning Polygons from NWS Weather Forecast Offices (WFOs) Buffalo, NY; Binghamton, NY and Albany, NY
Aug 10:
PNS15marine_grids.pdf:
Soliciting Comments on Experimental Impact-based Marine Hazard Grids until
June 30, 2016
Aug 28:
PNS15ndfd_dxml.pdf:
Soliciting Comments on an Experimental Full Resolution National Digital Forecast Database (NDFD)
eXtensible Markup Language (XML) Web Service for the Conterminous United States (CONUS) from
September 29, 2015 through February 1, 2016
Aug 28:
PNS15ndfd_precip_ppi.pdf:
Soliciting Comments on an Experimental Precipitation Potential Index to be Added to the National Digital Forecast Database (NDFD) for the Conterminous United States (CONUS) from
September 29, 2015 through December 31, 2015
Mar 30:
PNS15nesdis_spenes.pdf:
Soliciting Comments until
April 27, 2015
on a NESDIS Proposal to Retire the SPENES Bulletin
Feb 27:
PNS15nhc_mixed_case.pdf
Use of Mixed-case Letters in Select NWS National Hurricane Center Products: Effective on or about
May 15, 2015
Sep 14:
PNS15nwschat_ip.pdf:
Additional IP Address for NWSChat Client Users: Effective
October 14, 2015
Sep 25:
PNS14offshore_high_seas_aab.pdf
Amended:
Experimental Period Extended until at
July 31, 2016
for the Experimental Gridded Marine Offshore and High Seas Forecasts in the National Digital Forecast Database (NDFD)
Aug 5:
PNS13red_flag_bullet_aaa.pdf
Amended:
Soliciting Comments until
November 30, 2015
on Experimental Enhanced Format Red Flag Warnings (RFW)
Jan 22:
PNS15rip_currents.pdf:
Weather-Ready Nation Spring Seasonal Campaign, National Break the Grip of the Rip! Awareness:
March-May, 2015
Jan 13, 2016:
PNS15runoff_exp_comment_extension_aaa.pdf
Updated:
Comment Period Extended until
February 29, 2016
for Proposed Expansion of NWS Support for Multi-Agency Runoff Risk Forecasts
May 14:
PNS15safe_boating_week.pdf:
National Safe Boating Week:
May 16-22, 2015
Dec 2:
PNS15scn_tin.pdf:
Comments Solicited until
December 31, 2015
on Proposal to Rename Technical Implementation Notices as Service Change Notices and to Number Public Information Statements: Effective
January 4, 2016
Jan 7:
PNS15shannon_county.pdf:
Anticipated Changes to the County Name and the Federal Information Processing Series (FIPS) Code for Shannon County, SD in
2015
Jun 11:
PNS15situation_report.pdf:
Soliciting Comments until
June 1, 2016
on the Experimental Situation Report (Formerly Experimental Hazardous Weather Outlook Briefing Packages) from Select NWS Weather Forecast Offices (WFOs)
May 20:
PNS15storm_surge_map.pdf:
Soliciting Comments on Experimental Potential Storm Surge Flooding Map through
November 30, 2015
Jun 29:
PNS15svr_graphics_cca.pdf
Corrected:
Seeking Public Comment and Review on Experimental Severe Weather Impact Graphics through
February 9, 2016
(CONUS Only)
Nov 25, 2015:
PNS13tampa_marine_cca.pdf
Corrected:
Soliciting Comments until
December 30, 2016
on the Experimental Tampa Bay, FL Marine Channel Forecast
Apr 29:
PNS13tafb_satellite_rainfall_aab.pdf
Amended:
Extending Comment Period for Experimental Satellite Rainfall Quantitative Precipitation Estimates (QPE) and Quantitative Precipitation Forecasts (QPF) Graphical Webpage through
November 30, 2015
Mar 2:
PNS15tcp.pdf:
Soliciting Comments by
April 1, 2015
on a Proposed Change to the Issuance of the Tropical Cyclone Public Advisory
Jul 28:
PNS15vtec_winter.pdf
Soliciting Comments through
August 31, 2015
on Change to P-VTEC Line(s) and Associated Headline(s) when Upgrading from Winter Storm Warning or Lake Effect Snow Warning to Ice Storm and Blizzard Warning
Apr 16:
PNS15wind_current.pdf:
Soliciting Comments until
June 30, 2016
on an Experimental Graphical Wind Against Current Product
Nov 2, 2021:
PNS15 Updated:
Soliciting Comments through
April 15, 2022
, on the Days 3-7 Winter Storm Threat Index from NWS Weather Forecast Offices (WFOs) Baltimore, MD/Washington DC; State College, PA and Wakefield, VA
Public Information Statements 2014
Feb 28:
PNS14beach_hazards.pdf:
Extending the Comment Period for the Beach Hazards Statement through
December 31, 2014
Feb 28:
PNS14cphc_mixed_case.pdf
Use of Mixed-case Letters in Select NWS National Hurricane Center and Central Pacific Hurricane Center Products: Effective on or about
May 15, 2014
Sep 27, 2016:
PNS14cwf_rayleigh_aab.pdf
Updated:
Soliciting Comments on the Experimental Enhanced Coastal Waters Forecast Using Rayleigh Distribution for Wave Heights through
January 11, 2018
Apr 21:
PNS14day_1-3_outlooks.pdf:
Soliciting Comments on the Storm Prediction Center (SPC) Experimental Categorical Day 1-3 Convective Outlooks through
June 17, 2014
May 21:
PNS14dont_fry_heat.pdf:
"Don’t Fry Day,"
May 23, 2014
: Excessive Heat and Sun Safety Guidance for the
2014 Season
Sep 8:
PNS14end_mvf.pdf:
Soliciting Comments until
October 31, 2014
on Discontinuing the Coded Marine Verification Forecast (MVF)
Apr 4:
PNS14enhanced_fwf.pdf:
Soliciting Comments from
April 8, 2014 until July 1, 2014
on an Experimental Enhanced Format for Fire Weather Planning Forecasts (FWF) from Select Southern Region (SR) Weather Forecast Offices (WFOs)
Aug 21:
PNS14er_tool_cca.pdf
Corrected:
Soliciting Comments on the Emergency Response Tool through
July 2015
Mar 27:
PNS14exp_crp_graphic_aaa.pdf
Amended:
Soliciting Comments until
March 31, 2016
on the Experimental Graphical Weather Review Webpage
Feb 10:
PNS14exp_hwo_eax.pdf:
Soliciting Comments until
January 1, 2015
on the Experimental Hazardous Weather Outlook Briefing Package from WFO Kansas City/Pleasant Hill, MO
Feb 18, 2015:
PNS14exp_model_spectrum_aaa.pdf
Updated:
Soliciting Comments until
July 31, 2015
on the Experimental Model Spread/Spectrum
Jul 7, 2015:
PNS14exp_waterspout_coding_aaa.pdf
Amended:
NWS is Accepting Comments on the Experimental Addition of Waterspout Coding to the Special Marine Warning in the Great Lakes of Superior, Huron and Michigan through
November 30, 2015
Oct 20:
PNS14exp_hurr_tcv.pdf:
Soliciting Comments on an Experimental Hurricane Local Watch/Warning Product through
November 21, 2014
Jun 26:
PNS14fa_comments.pdf:
Solicitation of Comments for Transition of Select Area Forecasts (FAs) to Digital and Graphical Alternatives Continues until
August 4, 2014
Mar 29, 2016:
PNS14forecast_obs_widget_aab.pdf
Updated:
Soliciting Comments on the Adaptable NWS Forecast/Observation Widget through
April 7, 2017
Nov 18:
PNS14gerling_hanson_plots_aaa.pdf
Updated:
Comments Sought through
October 15, 2015
on the Experimental
Gerling-Hanson Wind Wave Plots
Feb 19:
PNS14gfs_legacy_removal.pdf:
Soliciting Public Comments through
March 21, 2014
on the Removal of GFS-based Products
May 12:
PNS14heat.pdf:
Child Vehicular Heatstroke Awareness and Prevention Safety Guidance for
2014
Jun 30:
PNS14hls_interactive_reader.pdf:
Soliciting comments on Experimental Hurricane Local Statement Interactive Text Reader through
November 30, 2014
Apr 9, 2015:
PNS14hls_spanish_brownsville_aaa.pdf:
Soliciting Comments until
November 30, 2015
on Experimental Spanish Language Hurricane Local Statement Issued by the NWS Weather Forecast Office in Brownsville, TX
May 28:
PNS14hr_mos_pqpf.pdf:
Soliciting Public Comments through
July 30, 2014
on Experimental High-Resolution Model Output Statistics (HRMOS) Probabilistic Quantitative Precipitation Forecast (PQPF) Guidance
Oct 20:
PNS14hurricane_local_statemt.pdf:
Soliciting Comments on Proposed Changes to the Hurricane Local Statement through
November 21, 2014
Mar 25:
PNS14hwrf.pdf:
Soliciting Comments through
April 23, 2014
on Modifying Product Dissemination Time of Hurricane Weather Research and Forecast (HWRF) System Products
Mar 13:
PNS14ibw.pdf:
Soliciting Comments until
November 4, 2014
on Expanded Experimental Impact Based Warnings
Feb 27:
PNS14icons_exp.pdf:
Soliciting Comments until
March 28, 2014
on Proposed Changes to NWS Point Forecast Icons
May 16:
PNS14idss_em.pdf:
Seeking Comments on Revised Service Description (SDD) Document for Proposed Enhanced Impact-Based Decision Support Services for the Emergency Management Community by
August 31, 2014
Aug 7:
PNS13maps_widget_aaa.pdf
Updated:
Soliciting Comments on the Customizable Mapping Widget and Mobile Webpage through
July 2015
Nov 6:
PNS14national_fret_update.pdf:
Comment Period on Experimental Forecast of Reference Crop Evapotranspiration (FRET) for Short Canopy Vegetation through
December 5, 2014
Jun 2:
PNS14nhc_5-day.pdf:
Soliciting Comments on National Hurricane Center Experimental Five-Day Graphical Tropical Weather Outlook through
November 30, 2014
Mar 20:
PNS14nids_map.pdf:
Soliciting Comments until
April 25, 2014
on New Map Interface for NWS Point Forecast Pages
Mar 20:
PNS14nwp_model_cca.pdf
Corrected:
Seeking Input by
July 3, 2014
on Expanded Access to National Weather Service Numerical Weather Prediction Model Information
Feb 2, 2016:
PNS14nwps_exp_aab.pdf
Updated:
Soliciting Comments on the NWPS Model Experimental Output through
December 30, 2016
Sep 25, 2015:
PNS14offshore_high_seas_aab.pdf
Amended:
Experimental Period Extended until at
July 31, 2016
for the Experimental Gridded Marine Offshore and High Seas Forecasts in the National Digital Forecast Database (NDFD)
Dec 18:
PNS14power_outage.pdf:
Planned Silver Spring Power Outage and Impacts to the National Weather Service System that Enables Users to View or Download Products and Services via the Web
Saturday, December 20, 2014
Oct 20, 2023:
PNS14 Updated:
Soliciting Comments until
April 30, 2024
on the Continuation of the Probabilistic Winter Precipitation Forecast Experiment
Nov 20, 2014:
PNS12prob_fire_aaa.pdf
Updated:
Soliciting Comments on Experimental Storm Prediction Center (SPC) Probabilistic Day 3-8 Fire Weather Outlooks through
September 29, 2015
Sep 9:
PNS14ptwc_intl_aaa.pdf
Updated:
Soliciting Comments on Experimental International Tsunami Products for the Pacific Basin through
September 23, 2014
Jul 29:
PNS14public_safety_ext.pdf:
Soliciting Comments through
April 1, 2015
on an Experimental Service: NWS Provision of Supplemental Public Safety Information Before, During and After High Impact Weather Events
Jul 22:
PNS14qpe_aaa.pdf
Updated:
Extending Comment Period for Experimental Graphic Satellite Rainfall Quantitative Precipitation Estimates (QPE) and Quantitative Precipitation Forecasts (QPF) through
November 30, 2014
Mar 20:
PNS14rfc_map_aaa.pdf
Updated:
Soliciting Comments on the Experimental River Forecast Center Decision Support Map through
April 1, 2015
May 15:
PNS14safe_boating.pdf:
National Safe Boating Week:
May 17-23, 2014
Jan 7, 2015:
PNS14shannon_county.pdf:
Anticipated Changes to the County Name and the Federal Information Processing Series (FIPS) Code for Shannon County, SD in
2015
May 16:
PNS14spc_day_4-8_outlooks.pdf:
Soliciting Comments until
June 17, 2014
on the Storm Prediction Center (SPC) Experimental Day 4-8 Severe Weather Outlooks
Dec 12, 2016:
PNS14sr_wind_compression_exp_aab.pdf
Updated:
Extend the Comment Period for the Experimental Wind Compression Decision Support Graphic at the Fort Worth, TX, Center Weather Service Unit (CWSU) (ZFW) and to Begin Accepting Comments at the New York, NY CWSU (ZNY) through
May 2017
May 23:
PNS14storm_surge_map.pdf:
Soliciting Comments for Experimental Potential Storm Surge Flooding Map through
November 30, 2014
Jul 1:
PNS14svr.pdf:
Seeking Comment and Review on Experimental Severe Weather Impact Graphics, CONUS Only, through
December 11, 2014
Apr 17:
PNS14tafb_tc_aab.pdf
Amended:
Extension of Comment Period for Experimental Wind Speed Probabilities-Based Tropical Cyclone Danger Graphic through
November 30, 2015
Aug 11:
PNS14tc_grids.pdf:
Comments Solicited from
August 19, 2014 through November 30, 2014
on Experimental Tropical Cyclone Threat Grids Added to the National Digital Forecast Database
May 6:
PNS14tcig.pdf:
Extending Comment Period for Experimental Tropical Cyclone Impacts Graphics through
November 30, 2014
Dec 5:
PNS14tsunamiready_guidelines.pdf:
Soliciting Comments until
February 6, 2015
on Proposed
TsunamiReady Guidelines
Mar 18:
PNS14tsunami_week.pdf:
Tsunami Preparedness Week:
March 23-29, 2014
Jul 11:
PNS14wpc_short-range_charts.pdf
Soliciting Comments until
August 11, 2014
on a Proposed Change in the Display Options of the Short-Range Weather Charts
Dec 1:
PNS14wsr-88d_level_3.pdf:
Soliciting Comments by
February 6, 2015
on Plans to Cease Dissemination of Six WSR-88D Products via SBN/NOAAPort and RPCCDS
Sep 27, 2016:
PNS14 Updated
: Soliciting Comments on the Experimental Enhanced Coastal Waters Forecast Using Rayleigh Distribution for Wave Heights through
January 11, 2018
Public Information Statements 2013
Aug 22:
PNS13_2.5km_grids.pdf:
Soliciting Comments until
September 23, 2013
on a Proposed Increase in Horizontal Resolution of Weather Prediction Center Day 4-7 Gridded Guidance (CONUS Only)
Jul 12:
PNS13atan_1096_riverpro.pdf:
Use of Mixed-case Letters in Select RiverPro Products at Select Weather Forecast Offices: Effective on or about
July 31, 2013
May 15:
PNS13boat_safety_week.pdf:
National Safe Boating Week:
May 18-24, 2013
Mar 29:
PNS13canl_expr.pdf:
Soliciting Comments until
May 31, 2013
on the Experimental Cold Advisory for Newborn Livestock Grids in the National Digital Forecast Database for the Conterminous U.S.: Effective
March 29, 2013
Mar 4:
PNS13cdc_removal.pdf:
Soliciting Public Comments through
April 19, 2013
on the Removal of NCEP’s Legacy Climate Diagnostic Center Products
May 15:
PNS13child_car_heat.pdf:
Child Vehicular Heatstroke Awareness and Prevention Safety Guidance for
2013
May 21:
PNS13dont_fry_day.pdf:
Excessive Heat and Sun Safety Guidance for the
2013 Season
Aug 21:
PNS13edd_exp.pdf:
Seeking Public Comment and Review on the Experimental Enhanced Data Display (EDD) through
February 23, 2014
Aug 13:
PNS13er_tool.pdf:
Soliciting Comments on the Emergency Response Tool through
March 19, 2014
Sep 26:
PNS13exp_ice_storm_index_aaa.pdf
Updated:
Soliciting Comments until
April 15, 2014
on an Experimental Scaled Predictive Ice Storm Aftermath Index at Select NWS Weather Forecast Offices
Mar 19:
PNS13exp_lr_river_flood_risk_web.pdf:
Soliciting Comments on the Experimental Long Range River Flood Risk Webpage through
August 31, 2013
Jan 22:
PNS13exp_swpc_products.pdf:
Soliciting Comments through
February 12, 2013
on Two Experimental Space Weather Prediction Center (SWPC) Products
Jul 12:
PNS13expanded_atan_mixed_case.pdf
Use of Mixed-case Letters in Area Forecast Discussion, Regional Weather Summary and Local PNS Products at Select WFOs: Effective on or about
July 31, 2013
Nov 4:
PNS13experimental_probabability_of_exceedance.pdf:
Extending Comment Period for the Experimental Probability of Exceedance Forecast for Precipitation and Snowfall Product through
August 31, 2014
Jul 16:
PNS13exp_ndfd_res_increase_aaa.pdf
Updated:
Extending Comment Period on Increasing the Resolution in the National Digital Forecast Database until
December 31, 2013
Sep 11:
PNS13exp_ndfd_map_viewer_aab.pdf
Updated:
Soliciting Comments through
December 31, 2013
on an Experimental National Digital Forecast Database Map Viewer
Jul 31:
PNS13extended_tropical_outlook_cca.pdf
Corrected:
Soliciting Comments on National Hurricane Center Experimental Extended Tropical Weather Outlook through
November 30, 2013
Mar 14:
PNS13flood_safety.pdf:
Flood Safety Awareness Week:
March 18-22, 2013
Nov 6:
PNS13gfs_mos.pdf:
Soliciting Comments on Proposed Additions to the Global Forecast System (GFS)-Based Gridded MOS Products over the CONUS and Alaska through
December 6, 2013
Jan 22:
PNS13gfs_legacy.pdf:
Soliciting Public Comments through
February 20, 2013
on the Removal of NCEP’s Legacy Global Forecast System (GFS) Low-Resolution Products
Mar 9, 2017:
PNS13great_lakes_wave_aab.pdf
Updated:
Soliciting Comments on the Experimental Maximum Wave Height in Great Lakes Open Lake Forecast (GLF) and Nearshore Forecast (NSH) through
December 31, 2017
Jan 25:
PNS13hpc_day_6-7_qpf.pdf:
Comments Sought on Experimental HPC Day 6 and 7 Quantitative Precipitation Forecasts by
April 30, 2013
Feb 28:
PNS13hpc_name_change.pdf:
Change of the Name of the Hydrometeorological Prediction Center to Weather Prediction Center: Effective
March 5, 2013
Mar 22:
PNS13ibw.pdf:
Comments Requested Starting
April 1, 2013
on Modification of Severe Convective Warnings and Associated Follow-Up Statements to Emphasize Impacts Intensity, and Recommended Actions via Bulleted Messaging and Coded Tag Lines
Aug 22:
PNS13idss_em_aaa.pdf
Updated:
Extending Comment Period through
September 23, 2013
on Proposed Enhanced Impact-based Decision Support Services for the Emergency Management Community
Nov 15:
PNS13idss_emc.pdf:
Seeking Stakeholder Input for
March 2014
Revision of Service Description Document on Proposed Enhanced Impact-based Decision Support Services for the Emergency Management Community
Dec 16:
PNS13lamp_cnv_ltg_aaa.pdf
Amended:
Soliciting Public Comments through
January 16, 2014
for Experimental LAMP Convection and Upgraded Lightning Products
Jun 19:
PNS13lightning_awareness_week.pdf:
2013 National Lightning Safety Awareness Week:
June 23-30, 2013
Oct 31:
PNS13lightning_strike_density.pdf:
Soliciting Comments until
June 3, 2014
on an Experimental Lightning Strike Density Product (Offshore Waters)
Mar 20:
PNS13logo_usage.pdf:
Online Request Service for License to use NOAA Emblem or NWS Logo: Effective
March 20, 2013
Nov 12:
PNS13lwx_snow.pdf:
Seeking Public Comment and Review on Experimental Probabilistic Snowfall Internet Graphical Products in the Baltimore/Washington Area through
April 30, 2014
Aug 7, 2014:
PNS13maps_widget_aaa.pdf
Updated:
Soliciting Comments on the Customizable Mapping Widget and Mobile Webpage through
July 2015
Aug 1:
PNS13nwps_exp.pdf:
Soliciting Comments on the NWPS Model Experimental Output through
June 30, 2014
Sep 6:
PNS13nwws_ote.pdf:
NOAA Weather Wire Service-2 Operational Test and Evaluation Phase 1 Scheduled from
September 13, 2013 to December 18, 2013
Mar 21:
PNS13offshore_high_seas_aaa.pdf
Updated:
Experimental Gridded Marine Offshore and High Seas Forecasts in the National Digital Forecast Database (NDFD): Effective
Wednesday, March 20, 2013
Jul 25:
PNS13phish.pdf:
Improvements to Experimental Probabilistic Hurricane Inundation Surge Height (PHISH) Products: Effective
July 25, 2013
Mar 26:
PNS13radar_removal.pdf:
Soliciting Public Comments through
April 26, 2013
on the Removal of NCEP’s Legacy Radar Graphics
May 8:
PNS13rd_plan.pdf:
Comment Sought on draft NOAA Five Year Research and Development (R&D) Plan from
May 3 through June 3, 2013
Sep 23:
PNS13rd_plan_release.pdf:
Release of NOAA Five Year Research and Development (R&D) Plan on
September 24, 2013
Aug 5, 2015:
PNS13red_flag_bullet_aaa.pdf
Amended:
Soliciting Comments until
November 30, 2015
on Experimental Enhanced Format Red Flag Warnings (RFW)
Apr 10:
PNS13rfc_river_map.pdf:
Soliciting Comments on the Experimental River Forecast Center Decision Support Map through
January 1, 2014
May 29:
PNS13rip_current_week.pdf:
National Rip Current and Beach Safety Week:
June 2-8, 2013
Jan 10:
PNS13rrs.pdf:
Scheduled Radiosonde Replacement System (RRS) Radiosonde Hardware and Workstation Subsystem (RWS) Build 2.3: System Test Scheduled for
January to April 2013
Using Test Headers
Jun 25:
PNS13spc_exp_day_4-8_dry_thunder_cca.pdf
Corrected:
Soliciting Comments until
July 30, 2013
on National Centers for Environmental Prediction Storm Prediction Center Dry Thunderstorm Fire Weather Outlooks for Days 4-8, CONUS Only
Jul 12:
PNS13spc_mixed_case.pdf
Use of Mixed-case Letters in the NWS Storm Prediction Center Public Severe Weather Outlook Product: Effective on or about
July 31, 2013
Sep 16:
PNS13sr_enhance_rayleigh_cwf.pdf:
Soliciting Comments on the Experimental Enhanced Coastal Waters Forecast Using Rayleigh Distribution for Wave Heights through
June 18, 2014
Jun 24:
PNS13sumr_dash.pdf:
Soliciting Comments on the Experimental Aviation Summer Weather Dashboard
June 26, 2013 to October 31, 2013
Apr 18:
PNS13sup_wx_info.pdf:
Soliciting Comments through
April 1, 2014
on an Experimental Provision of Supplemental Public Safety Information Before, During and After High Impact Weather Events
Aug 14:
PNS13surge_tide_datum.pdf:
Soliciting Comments on Experimental Probabilistic Tropical Cyclone Storm Surge and Tide Above Datum through
November 30, 2013
Apr 15:
PNS13tafb_danger_graphic.pdf:
Extension of Comment Period for Experimental Wind Speed Probabilities-Based Tropical Cyclone Danger Graphic from
May 13, 2013 through November 30, 2013
Apr 29, 2015:
PNS13tafb_satellite_rainfall_aab.pdf
Amended:
Extending Comment Period for Experimental Satellite Rainfall Quantitative Precipitation Estimates (QPE) and Quantitative Precipitation Forecasts (QPF) Graphical Webpage through
November 30, 2015
Nov 25, 2015:
PNS13tampa_marine_cca.pdf
Corrected:
Soliciting Comments until
December 30, 2016
on the Experimental Tampa Bay, FL Marine Channel Forecast
May 2:
PNS13trop_graphics.pdf:
Extending Comment Period for Experimental Tropical Cyclone Impacts Graphics through
November 30, 2013
Jul 16:
PNS13udaf_comments_cca.pdf
Corrected:
Soliciting Comments until
July 15, 2014
on the Experimental User Defined Area Forecast Point-and-Click Web Application
Jul 1:
PNS13videocast.pdf:
Extending Comment Period for Experimental National Hurricane Center
Videocasts through
November 30, 2013
Jun 24:
PNS13wafs.pdf:
Soliciting Comments on the Experimental World Area Forecast System Grid Visualization from
June 26, 2013 to July 26, 2013
Sep 18:
PNS13wcatwc_spanish_cca.pdf
Corrected:
Soliciting Comments on Experimental Spanish Tsunami Messages for Puerto Rico, Virgin Islands, U.S. East Coast and Gulf of America through
December 31, 2013
May 30:
PNS13wcoss_eval.pdf:
Comments Sought on Evaluation of WCOSS Output Data by
June 28, 2013
Aug 9:
PNS13web_portal.pdf:
Soliciting Comments on the Experimental National Marine Weather Web Portal through
July 31, 2014
Apr 24:
PNS13wrn.pdf:
Release of the Weather-Ready Nation Roadmap 2.0 on
April 24, 2013
March 9, 2017:
PNS13 Updated:
Soliciting Comments on the Experimental Maximum Wave Height in GLF and NSH through
December 31, 2017
Public Information Statements 2012
Feb 29:
PNS12_5_year_partnerships.pdf:
NOAA/NWS 5-Year Review of NOAA Policy on Partnerships in the Provision of Environmental Information: Available for Comment Now through
April 30, 2012
Dec 28:
PNS12asos_ote_3.08.pdf
Amended:
Operational Test and Evaluation (OTE) for Automated Surface Observing System (ASOS) Software Version 3.08 (v3.08) to Start on or about
December 3, 2012
Feb 28:
PNS12aviation_migration.pdf:
Redirection of Select Internet Aviation Data Services Starting on or about
April 4, 2012
Feb 24:
PNS12canl.pdf:
Soliciting Interest in Providing a Cold Advisory Product or Service to the Livestock Industry through
June 22, 2012
Jun 19:
PNS12critical_warnings_aaa.pdf
Amended Date:
Wireless Emergency Alerts Rollout: On or after
June 27, 2012
Feb 7:
PNS12edkmos.pdf:
Soliciting Public Comments through
March 31, 2012
for Experimental Ensemble Kernel Density Model Output Statistics (EKDMOS) Products
Jul 23:
PNS12eka_hanson_wave.pdf:
Comments Sought through
June 30, 2013
on New Webpage for Forecast and Observed Wave Information
Nov 9:
PNS12end_gov_delivery.pdf:
GovDelivery Dissemination of NWS Alerts by Email/SMS: Effective
November 8, 2012
May 21:
PNS12evapo.pdf:
Extending Comment Period on Experimental Forecast Of Reference Evapotranspiration for Short Canopy Vegetation through
May 31, 2013
Feb 8:
PNS12exp_cr_tor_svr_svs_cca.pdf
Corrected:
Comments Requested Starting
April 2, 2012
on Modification of Severe Convective Warnings and Associated Follow-Up Statements to Emphasize Impacts, Intensity and Recommended Actions via Bulleted Messaging and Coded Tag Lines
Feb 24, 2015:
PNS12exp_ice_storm_index_aad.pdf
Updated:
Soliciting Comments through
April 15, 2015
on an Experimental Sperry-
Piltz Ice Accumulation Index at Select NWS Weather Forecast Offices
Apr 17:
PNS12exp_trop_guid.pdf:
Soliciting Comments for Experimental Probabilistic Tropical Cyclone Inundation Guidance Products through
November 30, 2012
Mar 7:
PNS12flood_safety_week.pdf:
2012 Flood Safety Awareness Week:
March 12-16, 2012
Mar 21:
PNS12frenchville_me_taf.pdf:
Implementation of Terminal Aerodrome Forecast (TAF) Service for Frenchville Airport (KFVE) in Northern ME: Effective
April 11, 2012
Sep 27:
PNS12gdas2_removal.pdf:
Soliciting Public Comments through
November 2, 2012
on the Removal of NCEP’s Legacy Global Data Assimilation System
May 31:
PNS11graphicast_aaa.pdf
Updated:
Soliciting Comments for Experimental G
raphicast Product: Public Comment Period Deadline Extended to
December 31, 2012
Mar 26:
PNS12hazcollect_test.pdf:
HazCollect Message Testing on
March 27, 2012
Dec 11:
PNS12haz_simp.pdf:
Soliciting Comments through
March 31, 2013
on a Non-Operational Demonstration to Simplify NWS Watch, Warning and Advisory (WWA) Winter Weather Hazard Messages
May 23:
PNS12heat_aaa.pdf
Updated:
Excessive Heat and Sun Safety Guidance for
2012 Season
Dec 14:
PNS12hpc_exp_pwpf.pdf:
Solicitation of Comments through
March 15, 2013
on the Experimental HPC Probabilistic Winter Weather Forecast (PWPF) Percentile Products
May 23:
PNS12hurricane_week.pdf:
National Hurricane Preparedness Week:
May 27-June 2, 2012
Feb 1:
PNS12hwrf_comments.pdf:
Soliciting Public Comments on Modification of Product Dissemination Time of Hurricane Weather Research and Forecast (HWRF) System Products through
March 9, 2012
Jan 19:
PNS11hysplit_amendment.pdf
Updated:
HYSPLIT Trajectories Request Function to be Provided via Weather Forecast Office NWS Spot Forecast Request Webpages: Effective
September 19, 2011
Mar 21:
PNS12kpsf_taf_cca.pdf
Corrected:
Implementation of Terminal Aerodrome Forecast (TAF) Service for Pittsfield, MA Municipal Airport (KPSF): Effective
May 1, 2012
May 30:
PNS12mia_rayleigh_cca.pdf
Corrected:
Soliciting Comments on the Experimental Enhanced Coastal Waters Forecast Using Rayleigh Distribution for Wave Heights through
November 30, 2012
Apr 17:
PNS12mobile_policy.pdf:
Final Policy on Provision of Environmental Information Services Supporting Mobile Devices: Effective
April 16, 2011
Apr 16:
PNS12mobile.weather.gov.pdf:
Public Comments Solicited through
May 18, 2012
on Experimental mobile.weather.gov Website Redesign
Oct 16:
PNS12natl_water_res.pdf:
Soliciting Comments on the Experimental National Water Resources Outlook Webpage through
September 30, 2013
Aug 23:
PNS12ndfd_exp_2.5km_grids.pdf:
Seeking Comments on Increasing the Resolution in the National Digital Forecast Database (NDFD): Effective
August 28, 2012
Mar 27:
PNS12nhc_videocast.pdf:
Soliciting Comments for Two Experimental Services from the National Hurricane Center from
June 1, 2012 through November 30, 2012
Oct 23:
PNS12ozone_pm2.5_removal.pdf:
Comments Requested by
November 26, 2012
on Proposed Termination of NWS Ozone Air Quality Predictions
Jul 10:
PNS12pqr_model_spectrum.pdf:
Soliciting Comments through
June 30, 2013
on NWS Weather Forecast Office Portland, OR Model Spectrum Webpage
Nov 20, 2014:
PNS12prob_fire_aaa.pdf
Updated:
Soliciting Comments on Experimental Storm Prediction Center (SPC) Probabilistic Day 3-8 Fire Weather Outlooks through
September 29, 2015
May 18:
PNS11qpf_pr_aaa.pdf
Updated:
Extending the Comments Period until
November 30, 2012
on the Experimental Quantitative Precipitation Forecasts for Puerto Rico and the U.S. Virgin Islands
Jul 19:
PNS12rfc_google_map.pdf:
Soliciting Comments on the Experimental River Forecast Center Decision Support Map through
February 1, 2013
Mar 16:
PNS12rrs_schedule.pdf:
Scheduled Radiosonde Replacement System (RRS) Radiosonde Hardware and Workstation Subsystem (RWS) Build 2.2: System Test Scheduled for
March to May 2012
Using Test Headers
Jun 28:
PNS12ruc_surface_anaysis.pdf:
Soliciting Public Comments through
August 12, 2012
on Removal of the Obsolete RUC Surface Analysis
May 17:
PNS12safe_boating.pdf:
National Safe Boating Week:
May 19-25, 2012
Mar 1:
PNS12saffir-simpson.pdf:
Minor Modification of
Saffir-Simpson Hurricane Wind Scale Thresholds: Effective
May 15, 2012
Jun 21:
PNS12sdm_phone.pdf:
Change in Contact Information for NCEP Senior Duty Meteorologist: Effective
Immediately
Feb 14:
PNS12sern_us_gom_mwp.pdf:
Soliciting Comments by
March 30, 2012
on Plans to Replace the Southeastern United States and Gulf of America Marine Weather Web Portal
May 31:
PNS12tafb.pdf
Updated:
Soliciting Comments for Experimental G
raphicast Product: Public Comment Period Deadline Extended to
December 31, 2012
Aug 29:
PNS12tafb_graphic_aaa.pdf
Updated:
Soliciting Comments for Experimental Wind Speed Probabilities-Based Tropical Cyclone Danger Graphic through
November 30, 2012
May 21:
PNS12trop_cyc_graphic.pdf:
Soliciting Comments for Experimental Tropical Cyclone Impacts Graphics through
November 30, 2012
May 23:
PNS12twitter_exp.pdf:
Soliciting Public Comments Through
December 31, 2012
Reaching their Audience in Seconds
Jun 28:
PNS12wea.pdf:
Warnings Starting to Roll Out on Wireless Emergency Alerts
Apr 16:
PNS12weather.gov_design.pdf:
Soliciting Public Comments through
May 18, 2012
on Proposed Design Refresh of weather.gov
Aug 7:
PNS11winter_dash_aaa.pdf
Amended:
Soliciting Comments on the Experimental Aviation Winter Weather Dashboard through
April 15, 2013
Feb 17:
PNS12wrip_ote.pdf:
Weather Radio Improvement Project (WRIP) Operational Test and Evaluation (
OTE) will Start
February 20, 2012
Apr 20:
PNS12wrn_roadmap.pdf:
Soliciting Comments on the National Weather Service "Weather-Ready Nation Roadmap" through
July 18, 2012
Oct 17:
PNS12yakutat_bay.pdf:
New WMO Header and MND Header block for Yakutat Bay, AK Coastal Waters Forecast Product: Effective
November 15, 2012
Public Information Statements 2011
Oct 13:
PNS11_2.5km.pdf:
Soliciting Comments on Proposed Enhancements to the Global Forecast System (GFS)-based Gridded MOS Product through
November 30, 2011
Apr 8:
PNS11aig_cw.pdf:
Soliciting Comments on the Experimental Aviation Impact Guidance for Convective Weather (AIGCW) through
April 15, 2012
Sep 27:
PNS11asos_testing_aaa.pdf
Updated:
Operational Test and Evaluation (
OTE) for Automated Surface Observing System (ASOS) Software Version 3.05 (v3.05)
Jun 22:
PNS11cap_wiki.pdf:
Developers' Resource for National Weather Service Alerts Information
Feb 24:
PNS11ccfp_schedule.pdf:
Collaborative Convective Forecast Product (CCFP) Production Schedule for 2011: Effective
March 1, 2011
Jul 14:
PNS11climate_normals.pdf:
Change to New 1981-2010 Climate
Normals: Effective
August 1, 2011
Nov 14:
PNS11ces.pdf:
Opportunity for National Weather Service Partner Participation at Consumer Electronics Show (CES) 2012:
January 10-13, 2012
Jul 15:
PNS11excessive_heat.pdf:
Excessive Heat Expected over Central and Eastern United States from
July 15, 2011 through July 22, 2011
Mar 2:
PNS11exp_prob_winter.pdf:
Soliciting Comments until
December 31, 2011
on Experimental Probabilistic Winter Precipitation Forecasts for CONUS
Jan 4:
PNS11extreme_cold.pdf:
Currently Soliciting Comments by
April 15, 2011
on Experimental Use of an Extreme Cold Warning Product
Mar 10:
PNS11flood_safety.pdf:
2011 Flood Safety Awareness Week:
March 14-18, 2011
Oct 17:
PNS11goes-west.pdf:
GOES West EMWIN Users Must Take Action to Continue Receiving EMWIN Broadcasts after
December 14, 2011
May 31, 2012:
PNS11graphicast_aaa.pdf
Updated:
Soliciting Comments for Experimental G
raphicast Product: Public Comment Period Deadline Extended to
December 31, 2012
Feb 14:
PNS11haz_map.pdf:
Soliciting Comments through
May 31, 2011
on an Experimental Web Hazards Map
May 23:
PNS11heat_awareness.pdf:
Excessive Heat and Sun Safety Guidance for
2011 Season
Mar 2:
PNS11hpc_4-5_qpf.pdf:
Soliciting Comments Until
March 31, 2011
on the Experimental QPF Forecasts For Days 4 and 5
Jan 19, 2012:
PNS11hysplit_amendment.pdf
Updated:
HYSPLIT Trajectories Request Function to be Provided via Weather Forecast Office NWS Spot Forecast Request Webpages: Effective
September 19, 2011
Sep 30:
PNS11ice_accumulation_grids_cca.pdf
Corrected:
Experimental Ice Accumulation Grids to be Added to the National Digital Forecast Database (NDFD) for CONUS Only: Effective
October 12, 2011
Jan 4:
PNS11iffdp.pdf:
Comments Sought on Web-Enabled International Flight Folder Documentation Program from
February 1, 2011 to March 7, 2011
Jun 16:
PNS11lightning_week.pdf:
2011 National Lightning Safety Awareness Week Campaign:
June 20-26, 2011
Apr 18:
PNS11local_facebook_exp.pdf:
Soliciting Public Comments through
April 30, 2012
on Experimental Local NWS Facebook Pages and Enhancement to National NWS Facebook Page
Jun 3:
PNS11martin.pdf:
Clarification on Sources of Weather Information
Dec 14:
PNS11metar.pdf:
Redirection of Select Webpages Starting on or about
January 17, 2012
Aug 26:
PNS11mixed_case.pdf
Use of Mixed-case Letters in Area Forecast Discussion, Regional Weather Summary and Local Public Information Statement Products at Select Weather Forecast Offices: Effective on or about
October 4, 2011
Aug 29:
PNS11mmefs.pdf:
Soliciting Comments Beginning
September 15, 2012
on the Experimental NWS Hydrologic Short-Term Meteorological Model-Based Ensemble Forecasting System
May 16:
PNS11natl_hurricane_wk.pdf:
National Hurricane Preparedness Week and New Public Service Announcements:
May 22-28, 2011
Mar 24:
PNS11ndgd_uv_grids.pdf:
Soliciting Comments until
July 22, 2011
on Three Experimental Ultraviolet Radiation Grids in the National Digital Guidance Database (NDGD)
Apr 5:
PNS11nhc_av_briefings.pdf:
Soliciting Comments for Two Experimental Services from the National Hurricane Center (NHC) from
June 1 through November 30, 2011
Nov 10:
PNS11nohrsc.pdf:
Soliciting Comments until
July 1, 2012
on NOHRSC Model Expansion and Forecast Experimental Products
May 20:
PNS11nwstg.pdf:
National Weather Service Telecommunications Gateway (NWSTG) Outage Scheduled for
June 7, 2011
Oct 17:
PNS11opsnet.pdf:
Replacing OPSNET Circuits with an Internet-Based Secure Socket Layer (SSL) Virtual Private Network (VPN) Service: Effective
March 31, 2012
Aug 9:
PNS11phish.pdf:
Soliciting Comments for Experimental Probabilistic Tropical Cyclone Inundation Guidance Products through
November 30, 2011
Apr 19:
PNS11prob_spc_fire.pdf:
Soliciting Comments until
November 30, 2011
on the Storm Prediction Center’s (SPC's) Experimental Probabilistic Day 3-8 Fire Weather Outlooks for the Conterminous U.S. (CONUS)
May 18, 2012:
PNS11qpf_pr_aaa.pdf
Updated:
Extending the Comment Period until
November 30, 2012
on the Experimental Quantitative Precipitation Forecasts for Puerto Rico and the U.S. Virgin Islands
Dec 2:
PNS11ra4.pdf:
Soliciting Comments until
December 31, 2011
on ISCS Broadcast Ending and Being Replaced by Proposed GTS Internet File Service (GIFS) and
Geonetcast Americas Satellite Broadcast
Aug 8:
PNS11radar_test.pdf:
National Weather Service Operational Field Test of 2-Dimensional Velocity
Dealiasing Algorithm:
August 15, 2011 through December 31, 2011
May 23:
PNS11rsm_removal.pdf:
Soliciting Public Comments through
June 30, 2011
on the Removal of NCEP’s Regional Spectral Model for Hawaii
Nov 9:
PNS11ruc_removal.pdf:
Soliciting Public Comments through
December 12, 2011
on the Removal of some Obsolete RUC Model Output
May 16:
PNS11safe_boating_week.pdf:
National Safe Boating Week:
May 21-27, 2011
May 31:
PNS11serv_architecture.pdf:
National Weather Service Seeking Comments on Future Service Delivery Architecture through
July 31, 2011
Mar 28:
PNS11sju_rwsl.pdf:
Soliciting Comments until
June 1, 2011
on Discontinuing the English Language Weather Summary Products for Puerto Rico (RWSPR) and the U.S. Virgin Islands (RWSVI) and the Spanish Language Weather Summary Product for Puerto Rico (RWSSPN)
Feb 14:
PNS11snowfall_analysis.pdf:
Experimental Snowfall Analysis Interface: Effective
Tuesday, February 15, 2011
at
1800 UTC
Sep 23:
PNS11tafb_marine_zones.pdf:
Comments Sought on Proposed Change to Offshore Waters Marine Zones for the Caribbean, Southwest North Atlantic and Gulf of America through
October 31, 2011
Sep 23:
PNS11tafb_satellite_qpe.pdf:
Soliciting Comments for Experimental Satellite Rainfall Quantitative Precipitation Estimation (QPE) through
November 30, 2012
May 10:
PNS11trop_cyc_graphics.pdf:
Soliciting Comments for Experimental Tropical Cyclone Hazards Graphics through
November 30, 2011
Jun 1:
PNS11twitter.pdf:
National Weather Service Presence on Twitter
Aug 26:
PNS11vdeal_suspension.pdf:
Suspension of Operational Field Test of WSR-88D 2-Dimensional Velocity
Dealiasing Algorithm
Jan 12:
PNS11virt_cape.pdf:
Soliciting Public Comments through
February 28, 2011
on Modification of the Computation of Instability Parameters in the NCEP Model Suite
Aug 11:
PNS11weather.gov_design.pdf:
Soliciting Public Comments through
September 12, 2011
on Proposed Design Refresh of weather.gov
Aug 7, 2012:
PNS11winter_dash_aaa.pdf
Amended:
Soliciting Comments on the Experimental Aviation Winter Weather Dashboard through
April 15, 2013
Public Information Statements 2010
Jun 30:
PNS10_88d_base_products.pdf:
Soliciting Comments by
August 6, 2010
on Plans to Cease Disseminating WSR-88D Low Resolution Base Products via SBN/NOAAPort and RPCCDS: Effective
December 1, 2010
Jan 11:
PNS10addthis.pdf:
Introduction of Bookmark Sharing on National Weather Service Point Forecast Pages Beginning
Wednesday, January 13, 2010
Sep 23:
PNS10avset_suspension_aaa
.pdf:
Amended:
Suspension of Operational Field Test of AVSET Controlled WSR-88D Volume Scanning
May 7:
PNS10bullet_warnings.pdf:
Currently Soliciting Public Comments through
October 29, 2010
Regarding Expansion of Experimental Use of Bulleted Weather Warning, Watch and Advisory Products to Include Fire Weather Products at Select Weather Forecast Offices
Nov 4:
PNS10bulleted_marine_cca.pdf
Corrected:
Soliciting Public Comments on Experimental Use of Bulleted Coastal/Lakeshore Hazard Message (CFW) and Marine Weather Message (MWW) Products through
May 31, 2011
Apr 23:
PNS10canl.pdf:
Soliciting Public Comments through
May 31, 2011
on the Experimental Cold Advisory for Newborn Livestock Product
Jul 26:
PNS10cleveland_great_lakes.pdf:
Soliciting Comments by
September 10, 2010
on Plans to Terminate the Great Lakes Storm Summary (GLS) and Marine Alert Message (MAW)
Feb 12:
PNS10dual_pol_88d.pdf:
Soliciting Comments by
March 19, 2010
on Plans to Add Dual Polarization WSR-88D Products to SBN/NOAAPort and RPCCDS: Effective with WSR-88D Dual Polarization/November 2010 Beta Test
Oct 1:
PNS10ecfp.pdf:
Solicitation of Comments For Experimental Extended Convective Forecast Product (ECFP) Continues until
November 30, 2011
Mar 29:
PNS10email_update.pdf:
Comments Solicited on Experimental Use of Email Updates through
August 1, 2010
Jan 20:
PNS10exp_surge.pdf:
Soliciting Comments for Experimental Tropical Cyclone Probabilistic Storm Surge Exceedance Products through
November 30, 2010
Jun 14:
PNS10fcc_shared_bands_cca.pdf
Corrected:
Federal Communications Commission (FCC) Request for Information on Use of 1675-1710 MHz Frequency Band for Meteorological AIDS Service and Meteorological Satellite Service: Comments Solicited by
June 28, 2010
Mar 4:
PNS10flood_safety.pdf:
2010 Flood Safety Awareness Week:
March 15-19, 201
Mar 15:
PNS10foc_marine.pdf:
HAZCollect Non-Weather Emergency Message All Marine Zone Test to be Conducted
March 22, 2010
Nov 8:
PNS10gefs.pdf:
Soliciting Public Comments through
December 31, 2010
on Modification of Product Dissemination Time of Global Ensemble Forecast System Products
Apr 7:
PNS10goes-east.pdf:
GOES East EMWIN Users Must Take Action to Continue Receiving EMWIN Broadcasts After
April 26, 2010
Sep 29:
PNS10griddedlamp.pdf:
Soliciting Public Comments through
November 30, 2010
for Experimental Gridded Localized Aviation Model Output Statistics Program (LAMP) Products
Mar 4:
PNS10hazcollect_cca.pdf
Corrected:
HAZCollect Non-Weather Emergency Message National Test to be Sent on
March 9, 2010
Jun 14:
PNS10hpc_pqpf.pdf:
Soliciting Comments through
November 30, 2010
for New Probabilistic Quantitative Precipitation Forecasts (PQPF)
Apr 5:
PNS10hydro_urls_aab.pdf
Amended:
New URLs for Hydrologic Information Webpages: Effective
April 19, 2010
Jun 16:
PNS10lightning_week.pdf:
2010 National Lightning Safety Awareness Campaign:
June 20-26, 2010
Nov 16:
PNS10local_facebook_aaa.pdf
Amended:
National Weather Service Facebook Presence
Sep 1:
PNS10lub_rws.pdf:
Soliciting Comments until
October 1, 2010
on Discontinuing the West Texas Weather Summary (RWSTX) Product
Dec 3:
PNS10madis.pdf:
Transition of MADIS Real-Time Processing to NWS Operations on
November 2, 2010
Oct 1:
PNS10mag_website.pdf:
Soliciting Comments until
December 31, 2010
on the Experimental Model Analyses and Guidance Website
Oct 4:
PNS10marine_bullets.pdf:
National Weather Service is Soliciting Public Comments on the Experimental Use of Bulleted Coastal/Lakeshore Hazard Message and Marine Weather Message until
May 31, 2011
May 28:
PNS10mixed_case.pdf
Soliciting Public Comments through
September 15, 2010
on Proposed Change to Mixed-case and Expanded Character Set in All National Weather Service Text Products
Dec 16:
PNS10mmefs.pdf:
Soliciting Comments on the Experimental NWS Hydrologic Short-term Meteorological Model-Based Ensemble Forecasting System from
January 1, 2011 to June 30, 2011
Sep 10:
PNS10mobile_decision_serv.pdf:
Soliciting Public Comments through
June 30, 2011
on the Experimental National Mobile Decision Support Services (interactive NWS) for National Weather Service Core Partners
Jun 18:
PNS10roc_testbed.pdf:
Initiation of Real-Time WSR-88D Level II Data from Radar Operations Center Test Bed Radars
Jul 20:
PNS10rrs_test_aaa.pdf:
Scheduled Radiosonde Replacement System (RRS) Workstation Subsystem (RWS) Build 2: Follow On System Test Scheduled for
August 2010
Using Test Headers
Feb 17:
PNS10saffir-simpson.pdf:
New Saffir-Simpson Hurricane Wind Scale is Implemented for the
2010 Hurricane Season
Oct 20:
PNS10sigmet_testing.pdf:
U.S. SIGMET Testing Scheduled for
November 10-24, 2010
Dec 14:
PNS10spc_thunderstorm.pdf:
Comment Sought Experimental Storm Prediction Center Thunderstorm Outlook until
September 30, 2011
Sep 2:
PNS10tafb_marine_grids_cca.pdf
Corrected:
Request for Comments for Experimental Gridded Marine Products through
December 31, 2011
Apr 27:
PNS10tchg.pdf:
Soliciting Comments for Experimental Comments for Experimental Tropical Cyclone Hazards Graphics through
November 30, 2010
May 7:
PNS10test.pdf:
Currently Soliciting Public Comments through
October 29, 2010
Regarding Expansion of Experimental Use of Bulleted Weather Warning, Watch and Advisory Products to Include Fire Weather Products at Select Weather Forecast Offices
Apr 15:
PNS10twitter.pdf:
Soliciting Public Comments Through
December 31, 2010
on National Weather Service Experimental Use of Twitter to Search for User Reports of Hazardous Weather
Public Information Statements 2009
Sep 23:
PNS09_1_inch_hail.pdf:
Currently Soliciting Comments by
November 30, 2009
Regarding Changing the Minimum Hail Size Criterion for Issuing Severe Thunderstorm Warnings and Severe Weather Statements
Jul 16:
PNS09dot_support.pdf:
National Weather Service Support for State/Local Departments of Transportation
Jan 27:
PNS09ewx_bro_rws.pdf:
Soliciting Comments by
March 1, 2009
on Discontinuing South Texas Weather Summary (RWSTX) Products
Jun 29:
PNS09rrs_comms_test.pdf:
Radiosonde Replacement System (RRS) Communications Test Scheduled for
September and October 2009
Using Test Headers
Feb 5:
PNS09rrs_test_cca.pdf
Corrected:
Scheduled Radiosonde Replacement System (RRS) Workstation Subsystem (RWS) Build 2: System Test Scheduled for
December 2009, January 2010 and February 2010
Using Test Headers
Jul 21:
PNS09ccf_discontinuance.pdf:
Soliciting Comments until
December 31, 2009
Regarding Use of the Coded Cities Forecast
Apr 23:
PNS09cphc_two.pdf:
Soliciting Comments for Experimental Graphical Tropical Weather Outlook Product for the Central Pacific Hurricane Basin through
November 30, 2009
May 29:
PNS09exp_trop_cyc_graphic.pdf:
Soliciting Comments for Experimental Tropical Cyclone Hazards Graphics through
November 30, 2009
Oct 2:
PNS09fire_wx_web.pdf:
Soliciting Comments through
March 1, 2010
Regarding and Experimental National Fire Weather Webpage
Mar 5:
PNS09flood_safety_week.pdf:
2009 Flood Safety Awareness Week:
March 16-20, 2009
Mar 10:
PNS09hazcollect_test.pdf:
HAZCollect Non-Weather Emergency Message National Test to be Sent on
March 19, 2009
May 21:
PNS09heat_awareness.pdf:
Excessive Heat Guidance for
2009 Season
Jun 17:
PNS09lightning_safety_cca.pdf
Corrected:
National Lightning Safety Awareness Week Campaign for 2009:
June 21-27, 2009
Jan 8:
PNS09marine_points.pdf:
Soliciting Comments by
November 30, 2009
on Testing of National Weather Service Marine Point Forecast Pages
Dec 17:
PNS09one_inch_hail_web.pdf:
Webpage Supporting National Change in Minimum Hail Size Criterion for Issuing Severe Thunderstorm Warning (SVR) and Severe Weather Statement (SVS) Products
May 6:
PNS09rugs_exp.pdf:
Comments Requested by
October 31, 2009
on Experimental Service Allowing National Digital Forecast Database (NDFD) Users to Identify Updated NDFD Grids
May 18:
PNS09saffir-simpson.pdf:
Soliciting Comments for Experimental Saffir-Simpson Hurricane Scale Revision through
November 30, 2009
Jul 23:
PNS09storm_surge.pdf:
Soliciting Comments for Experimental Tropical Cyclone Probabilistic Storm Surge Exceedance Products through
November 30, 2009
Apr 23:
PNS09wind_graphic.pdf:
Soliciting Comments for Experimental Tropical Cyclone Wind Field Graphic in the Central Pacific Hurricane Basin through
November 30, 2009
Nov 9:
PNS09wsw_npw_expr.pdf:
Soliciting Public Comments through
May 29, 2010
Regarding Experimental Use of Bulleted Winter Storm (WSW) and Non-Precipitation (NPW) Watch, Warning and Advisory Products at Select Weather Forecast Offices During Winter 2009-10
Public Information Statements 2008
Aug 19:
PNS08cfi_survey_aaa.pdf
Updated:
Survey of Users of National Weather Service Hydrologic Products and Services
Aug 22:
PNS08comment_request.pdf
Public Comments Solicited through
December 1, 2008
on Experimental Common Alerting Protocol Version 1.1 Messages
Feb 13:
PNS08cta.pdf
Soliciting Comments through
March 7, 2008
for Change in All National Weather Service Watch, Warning, Advisory and Statement Text Products
Mar 3:
PNS08flood_safety_week.pdf:
2008 Flood Safety Awareness Week:
March 17-21, 2008
Nov 13:
PNS08flv_aaa.pdf
Updated:
Comments Sought by
December 8, 2008
on Possible Unification of Event-Based Flood Products Under the Flood Warning (FLW) Identifier
Jul 1:
PNS08ngm_removal.pdf
Comments Requested by
September 9, 2008
on Proposed Termination of the NGM and Related NGM-based Products: Effective
March 2009
Jul 21:
PNS08replace_eta_mos.pdf
Soliciting Comments on Proposed Replacement of Eta-based MOS Products with NAM MOS Products through
August 20, 2008
Apr 22:
PNS08storm_surge_cca.pdf
Corrected:
Soliciting Comments for Experimental Probabilistic Hurricane Storm Surge Products through
November 15, 2008
and Experimental Storm Surge Probabilistic GRIB2 Files on NOAAPort
Oct 16:
PNS08google_point_n_click.pdf
Introduction of Google Maps on National Weather Service Point Forecast Pages: Effective
October 20, 2008
Sep 16:
PNS08hazcollect_test.pdf
HAZCollect Non-Weather Emergency Message Testing from
September 17, 2008 to December 5, 2008
May 20:
PNS08heat_awareness.pdf
Excessive Heat Guidance for
2008 Season
Mar 5:
PNS08hourly_precip.pdf
Public Comments Solicited on Experimental Hourly Precipitation Estimate Web-based Information Service: Effective
February 27, 2008
Jun 18:
PNS08lightning_wk.pdf
2008 National Lightning Safety Awareness Week Campaign:
June 22-28, 2008
Dec 5:
PNS08nomads.pdf
Soliciting Public Comments by
January 16, 2009
on Proposed Upgrade of High Availability Anonymous FTP Services at the Web Operations Center (WOC) and Applications for Serving Data from the NOAA Operational Model Archive and Distribution System (NOMADS)
Oct 20:
PNS08special_events.pdf
Guidance Memo Issued on National Weather Service Support for Special Events on
September 25, 2008
Apr 18:
PNS08storm_surge.pdf
Soliciting Comments for Experimental Probabilistic Hurricane Storm Surge Products and Experimental Storm Surge Probabilistic GRIB2 Files on NOAAPort through
November 15, 2008
Sep 7:
PNS08tav_comments.pdf
Soliciting Comments through
December 31, 2008
Regarding Discontinuation of Travelers Forecast
Nov 13:
PNS08test.pdf
HAZCollect Non-Weather Emergency Message National Test to be Sent on
November 18, 2008
Mar 18:
PNS08text_two_grph.pdf
Soliciting Comments for Experimental Graphical Tropical Weather Outlook Product through
November 30, 2008
Nov 21:
PNS08tpex.pdf
Support for Operational Tabular Product Evolution in eXtensible Markup Language (TPEX) and TPEX-Derived Products: Effective
December 9, 2008
and
January 13, 2009
May 28:
PNS08trop_graphics.pdf
Soliciting Comments for Experimental Tropical Cyclone Hazards Graphics through
November 30, 2008
Apr 9:
PNS08wind_field.pdf
Soliciting Comments for Experimental Tropical Cyclone Wind Field Graphic through
November 30, 2008
Oct 1:
PNS08wind_profiler_gap.pdf
Wind Profiler Data Products Temporarily Discontinued: Effective
October 1, 2008
Mar 3:
PNS08winter_weather_cca
.pdf
Corrected:
Currently Soliciting Public Comments by
April 8, 2008
Regarding a Proposed Restructuring of some National Weather Service Winter Weather Advisory and Warning Products
Public Information Statements 2007
Apr 10:
PNS07carolina_web_portal.pdf
Soliciting Public Comments: Effective
Immediately
and Continuing
through September 30, 2007
, on Experimental Marine Web Portal for the Carolinas
Sep 29:
PNS07climate_webpages.pdf
Soliciting Public Comments by
October 31, 2007
on Reorganization of Experimental National Weather Service Climate Webpages to a Standardized Format
Apr 27:
PNS07drought_forecast_cat.pdf:
Soliciting Public Comments through
June 1, 2007
on a Proposed Change in the Forecast Trend Categories for the U.S. Drought Outlook
Feb 15:
PNS07drought_outlk_comment.pdf
Soliciting Public Comments through
March 16, 2007
on Proposed Change in Scheduled Release Date for the U.S. Seasonal Drought Outlook by the Climate Prediction Center (CPC)
Jun 5:
PNS07excess_precip_2-3_day_cca.pdf:
Corrected:
Experimental Enhancement of Gridded Excessive Precipitation Forecast Product to Include Gridded Day 2 and Day 3 Forecasts: Comments Solicited by
November 15, 2007
Aug 27:
PNS07exp_ceiling_vis_analysis.pdf:
Requesting Comments on the Experimental National Ceiling and Visibility Analysis Products from
September 6, 2007 to October 6, 2007
Jun 13:
PNS07exp_graph_trop_outlook.pdf:
Soliciting Comments for Experimental Graphical Tropical Weather Outlook through
November 30, 2007
Aug 21:
PNS07exp_trop_cycl_haz_graph_aaa.pdf
Amended:
Soliciting Comments for Experimental Tropical Cyclone Hazards Graphics through
November 30, 2007
Mar 5:
PNS07flood_safety.pdf:
2007 Flood Safety Awareness Week:
March 19-23, 2007
Mar 21:
PNS07haz_assess_sched.pdf
Currently Soliciting Public Comments through
April 20, 2007
on Proposed Change in Scheduled Release Date for the U.S. Hazards Assessment
Feb 2:
PNS07hazcollect_test.pdf
HAZCollect Non-Weather Emergency Message Testing Scheduled for
February 6, 2007
as Part of the Continuing Testing of the HAZCollect System
Jan 18:
PNS07hydro_assess_schedule_cca.pdf
Corrected:
Proposed Modification to Issuance Schedule to Indicate the National Hydrologic Assessment is Published on the Internet
Jun 14:
PNS07lightning_safety.pdf:
2007 National Lightning Safety Awareness Week Campaign:
June 24-30, 2007
Jul 18:
PNS07marine_weather_message.pdf:
Soliciting Comments for Experimental Marine Weather Message Product through
July 31, 2008
Aug 31:
PNS07oregon_sci_nwr_recall.pdf:
Voluntary Recall of Four Oregon Scientific Weather Radio Receivers
Jul 9:
PNS07port_fcsts_aaa.pdf
Amended:
Soliciting Comments For Experimental Great Lakes Coded Port Forecast Product Beginning
October 3, 2006 Through September 30, 2008
Apr 19:
PNS07rss_info_srvc_db.pdf:
New RSS Feed of NWS Database of Information Service Changes
Now Available
Sep 7:
PNS07storm_based_wrng.pdf:
Nationwide Implementation of Storm-Based Warnings Beginning
October 1, 2007
May 4:
PNS07storm_surge.pdf:
Soliciting Comments for Experimental Probabilistic Hurricane Storm Surge Products through
November 15, 2007
Aug 13:
PNS07terminate_ngm_lamp.pdf:
Comment Request: Planned Termination of the Nested Grid Model (NGM)-based Local AWIPS MOS System (LAMP) Products: Comments Solicited by
September 14, 2007
Aug 17:
PNS07tpex.pdf
Soliciting Comments Regarding Experimental Tabular Product Evolution in eXtensible Markup Language (TPEX) Products Beginning
September 12, 2007
and Continuing through
March 12, 2008
Apr 19:
PNS07tweb_terminate_comment.pdf
Soliciting Public Comments Between
April 20, 2007 and May 20, 2007
on Proposed Termination of CONUS Transcribed Weather Broadcast (TWEB) Forecasts
Mar 2:
PNS07wsr-88d_level_II_modfctn.pdf
Soliciting Comments by
March 30, 2007
on Modifications to WSR-88D Level II Data Stream and Format: Effective with WSR-88D Build 10 / January 2008
Public Information Statements 2006
Aug 22:
PNS06eta_mos.pdf
Comment Request through
October 31, 2006
: Proposed Termination of Eta-based MOS Products
May 2:
PNS06exp_cyclone_comment.pdf
Soliciting Comments from
June 1, 2006 through November 15, 2006
on Experimental Tropical Cyclone Watch/Warning Product
May 5:
PNS06exp_prob_storm_surge.pdf
Soliciting Comments from
June 1, 2006 through November 15, 2006
on Experimental Probabilistic Hurricane Storm Surge Products
Jul 26:
PNS06exp_svr_icing.pdf
Soliciting Comments for Experimental CIP Icing Severity Beginning
July 26, 2006
and Continuing
through August 22, 2006
Jun 27:
PNS06exp_trop_cycl_haz_grph.pdf
Soliciting Comments for Experimental Tropical Cyclone Hazards Graphics Beginning
July 1, 2006
and Continuing
through November 15, 2006
Sep 26:
PNS06exper_ncwf.pdf
Soliciting Comments for the National Convective Weather Forecast (NCWF) Beginning
September 26, 2006
May 11:
PNS06extr_wind_comment_cca.pdf
Corrected:
Soliciting Comments by
November 15, 2006
for Tropical Cyclone Extreme Wind Warning Product
Mar 15:
PNS06flood_safety_awareness_week.pdf:
2006 Flood Safety Awareness Week:
March 20-24, 2006
Aug 23:
PNS06flood_summary.pdf
Discontinuance of National Hydrologic Summary (WMO Header FGUS71 KWBC) on
December 31, 2006
Nov 17:
PNS06gis_comment.pdf
Soliciting Public Comments on the Provision of Information in Geospatial Format by the National Oceanic and Atmospheric Administration's National Weather Service to Advance the Environmental Information Enterprise
Jun 2:
PNS06hazcollect_oat.pdf
HAZCollect Non-Weather Emergency Message Testing from
June 5, 2006 to July 21, 2006
Nov 3:
PNS06hazcollect_oat_nov_1.pdf
HAZCollect Non-Weather Emergency Message Testing from
November 7, 2006
to
November 22, 2006
Dec 21:
PNS06hydro_assess_schedule.pdf
Proposed Modification to Issuance Schedule for the National Hydrologic Assessment
Jul 27:
PNS06iwin_replacement.pdf
Replacement of the Interactive Weather Information Network (IWIN) Website: Effective
August 28, 2006
Jun 15:
PNS06lightning_safety_2006.pdf
2006 National Lightning Safety Awareness Week Campaign
June 18-24, 2006
: "When Thunder Roars, Go Indoors"
Aug 29:
PNS06port_fcsts.pdf
Soliciting Comments for Experimental Great Lakes Port Forecast Product Beginning
October 3, 2006
Jun 1:
PNS06rip_current.pdf:
2006 Rip Current Awareness Week:
June 4-10, 2006
: "Break the Grip of the Rip"
Nov 22:
PNS06update_hazcollect_oat.pdf
Updated:
HAZCollect Non-Weather Emergency Message Testing Extended Until
November 30, 2006
Public Information Statements 2005
Sep 29:
PNS05climate_webpages.pdf:
Soliciting Public Comments by
October 31, 2005
on Reorganization of Experimental NWS Climate Webpages to a Standardized Format
Nov 17:
PNS05conus_precip_web.pdf
New National Multi-Sensor Precipitation Estimates Web-based Experimental Service: Effective
November 17, 2005
Mar 22:
PNS05corr_precip_outlook.pdf
Corrected Versions of May, June, July 2005 Precipitation Outlooks (1.5 Month Lead Time) for Contiguous U.S. and Alaska on
Friday, March 18, 2005
Nov 22:
PNS05er_graphical.pdf
Two Graphical Forecast Products Approved for Eastern Region (ER) Operations: Effective
December 22, 2005
Sep 8:
PNS05hdob.pdf
Delay in Availability of Tropical Cyclone Data Products from Department of Defense WC 130-J Reconnaissance Aircraft on NWWS, EMWIN and NOAAPort on
July 7, 2005
Jun 3:
PNS05ngm_redbook_comments.pdf
Soliciting Public Comments by
July 8, 2005
on the Removal of NGM-based MOS Redbook Graphics
Jan 26:
PNS05nsww.pdf
Fifth Annual National Severe Weather Workshop:
March 3-5, 2005
May 2:
PNS05pws_graphical.pdf
Public Comment Period Begins on
June 1, 2005
for Experimental Tropical Cyclone Probabilistic Wind Speed Graphical Products
May 2:
PNS05pws_text.pdf
Public Comment Period Begins on
June 1, 2005 through November 15, 2005
for Experimental Tropical Cyclone Probabilistic Wind Speed Text Products
Jul 18:
PNS05terminate_listings.pdf:
Comment Request: Proposed Replacement of Listings of Commercial Weather Providers Serving the U.S. and Commercial Weather Vendor Websites Serving the U.S. through
September 15, 2005
May 2:
PNS05ww_text.pdf
Public Comment Period Begins on
June 1, 2005 through November 15, 2005
for Experimental Tropical Cyclone Watch/Warning Product
Public Information Statements 2004
Apr 29:
PNS04ahps.pdf:
National Deployment of Suite of Advanced Hydrologic Prediction Service (AHPS) Webpages
May 20:
PNS04awc_5-20_power_outage.pdf
Emergency Planned Power Outage at Aviation Weather Center Scheduled for
Thursday, May 20, 2004
Jun 4:
PNS04awc_pwr_out_061504.pdf:
Emergency Planned Power Outage at Aviation Weather Center on
June 15, 2004
Jun 22:
PNS04awc_pwr_outage_062904.pdf:
Emergency Planned Power Outage at Aviation Weather Center Scheduled for
June 29, 2004
Oct 19:
PNS04cpc_survey.pdf
Web-based Public Survey on National Weather Service Climate Products from
October 19, 2004 through November 12, 2004
Sep 16:
PNS04db_info_srv_chg.pdf
National Weather Service Database of Information Service Changes is Available
May 3:
PNS04fair_wx_aaa.pdf
Amended:
NOAA/NWS Proposed Policy on Partnerships in the Provision of Weather, Water, Climate and Related Environmental Information: Public Comment Period Extended from
May 14, 2004
to June 30, 2004
Mar 1:
PNS04fire_wx_policy.pdf:
Amended NOAA/NWS Fire Weather Site-Specific Forecast Policy: Effective
April 1, 2004
Dec 9:
PNS04ghg_vtec.pdf:
Inclusion of Experimental Valid Time Event Code in National Weather Service Watches, Warnings and Advisories: Effective
December 20, 2004
Jun 10:
PNS04high_surf_advisory.pdf
Change to High Surf Advisory: Effective
July 8, 2004
Jun 30:
PNS04ndfd_verify.pdf
National Weather Service (NWS) National Digital Forecast Database (NDFD) to Users of the Experimental NWS National Digital Forecast Database Product
Dec 1:
PNS04noaa_envir_policy.pdf
New National Oceanic and Atmospheric Administration Policy on Partnerships in the Provision of Environmental Information: Effective
December 1, 2004
Mar 9:
PNS04nwsi_10-501.pdf:
Change In Effective Date Of National Weather Service Instruction (NWSI) 10-501: Weather Forecast Office (WFO) Statements, Summaries, Tables Products Specification
Oct 19:
PNS04sp_comment.pdf
Draft National Weather Service Strategic Plan for 2005 through 2010: Now Available for Public Comment through
November 30, 2004
Nov 29:
PNS04track_chart.pdf
Public Comment for Tropical Cyclone Track and Watch/Warning Graphics Begins
December 1, 2004
Oct 4:
PNS04traj_comments.pdf
Soliciting Public Comments by
November 5, 2004
on the Removal of NGM-based Trajectory Model and Associated Products
Feb 13:
PNS04vtec_1.pdf:
Valid Time Event Code (VTEC) Update:
2/13/2004
May 28:
PNS04vtec_04-05-28.pdf
Valid Time Event Code (VTEC) and Watch by County (WBC) Update:
5/28/2004
Sep 21:
PNS04vtec_9-21.pdf
Valid Time Event Code (VTEC) and Watch by County (WBC) Operational Test and Evaluation (OTE) Update:
9/21/2004
Aug 20:
PNS04vtec_ote.pdf
Valid Time Event Code (VTEC) and Watch by County (WBC) Operational Test and Evaluation (OTE)
Aug 26:
PNS04vtec_ote_04-08.pdf
Valid Time Event Code (VTEC) and Watch by County (WBC) Operational Test and Evaluation (OTE)
Sep 7:
PNS04vtec_ote_9-7.pdf
Valid Time Event Code (VTEC) and Watch by County (WBC) Operational Test and Evaluation (OTE) Update
Public Information Statements 2003
Jul 23:
PNS03cpc_change_aaa.pdf
Updated:
Soliciting Public Comments by
August 18, 2003
on Proposed Probability Format Changes to One-Month and Three-Month Outlooks
May 23:
PNS03strategic_plan_cca.pdf
Corrected:
A Draft National Weather Service Strategic Plan for 2003 through 2008 is Now Available for Public Comment through
June 21, 2003
Other Notifications 2004
Mar 18:
adm_emw_040318.pdf
EMWIN Transition Update
3/18/2004:
Information Added to EMWIN Website
Mar 5:
adm_emw_040305.pdf
EMWIN Transition Update
3/5/2004:
EMWIN User and Vendor Conference Scheduled
April 27, 2004
Feb 20:
adw_msg_022004.pdf:
NWWS Outage:
January 25-26, 2004
Feb 13:
adm_emw_021304.pdf
EMWIN Transition Update:
2/13/2004
Other Notifications 2001
Apr 27:
adm_emw_010427.pdf
EMWIN Transition Update:
4/27/2001
Sep 28:
adm_010928.pdf:
Reminder: Discontinued Use of PIL Headers on NOAA Weather Wire Service Products: Effective
October 1, 2001 at 1230 UTC
Various Older Notifications
Sep 12, 1997:
PNS97nwr_same.pdf:
NOAA Weather Radio (NWR) Information, Including Specific Area Message Encoding (SAME): Now Available on the World Wide Web
Jul 18, 1997:
NTIM97-23_aaa.pdf
Updated:
Medium Range Temperature and Precipitation Probability Forecasts Prepared by the NWS Hydrometeorological Prediction Center (HPC)
Jun 16, 1997:
PNS97ks_mo_pil_changes.pdf
Corrected:
Product Identifier Changes for Products Issued by Selected Kansas and Missouri Forecast Offices: Effective
August 13, 1997
May 14, 1997:
PNS97hpc_add_six_hour_qpfs.pdf:
Additional 6-Hourly Quantitative Precipitation Forecasts (QPFs) Produced by the Hydrometeorological Prediction Center (HPC): Effective
July 31, 1997
May 7, 1997:
NTIM97-21.pdf:
Reductions in Products and Services from the NWS Hydrometeorological Prediction Center: Effective
July 1, 1997
May 5, 1997:
NTIM97-20.pdf:
Reductions in Services from the NWS Climate Prediction Center: Effective
July 1, 1997 and October 1, 1997
Dec 12, 1996:
NTIM96-29.pdf:
Issuance Dates for Monthly and Seasonal Climate Outlooks
Service Change Notices Archive 2022-1997
Service Change Notices 2022
Dec 16:
SCN22-131:
Upgrade of National Blend of Models Guidance: Effective
January 17, 2023
Dec 15:
SCN22-130:
Changes to Coastal Marine Forecast Zones for WFO Fairbanks, AK: Effective
March 8, 2023
Dec 15:
SCN22-129:
Changes to Marine Forecast Zones for WFO Anchorage, AK: Effective
March 8, 2023
Dec 15:
SCN22-128:
Changes to Coastal and Offshore Marine Forecast Zones for WFO Juneau, AK: Effective
March 8, 2023
Dec 15:
SCN22-123 Updated:
Changes to Public, Fire and Marine Forecast Zones for Service Office Pago Pago, American Samoa: Effective
March 8, 2023
Dec 14:
SCN22-127:
Changes to Public Forecast Zones for WFO Pittsburgh, PA: Effective
March 8, 2023
Dec 14:
SCN22-126:
Changes to Public Forecast Zones for WFO New York, NY: Effective
March 8, 2023
Dec 14:
SCN22-125:
Changes to Public and Fire Forecast Zones for WFO Baltimore, MD/Washington, DC: Effective
March 8, 2023
Dec 14:
SCN22-124:
Changes to Public, Fire and Marine Forecast Zones for WFO Baltimore, MD/Washington, DC: Effective
March 8, 2023
Dec 15:
SCN22-123 Updated:
Changes to Public, Fire and Marine Forecast Zones for Service Office Pago Pago, American Samoa: Effective
March 8, 2023
Dec 14:
SCN22-122:
Changes to Public Weather Forecast Zones for NWS Weather Forecast Office New Orleans/Baton Rouge, LA: Effective
March 8, 2023
Dec 14:
SCN22-121:
Changes to Public and Fire Weather Zones for NWS Lake Charles, LA: Effective
March 8, 2023
Dec 14:
SCN22-120:
Changes to Public Weather Forecast Zones for WFO Pendleton, OR: Effective
March 8, 2023
Feb 15, 2023:
SCN22-119 Updated:
Changes to Public and Fire Weather Forecast Zones for WFO Los Angeles/Oxnard, CA: Effective
March 8, 2023
Dec 14:
SCN22-118:
Changes to Fire Forecast Zones for WFOs Buffalo, NY; Binghamton, NY; Albany, NY; New York/Upton, NY and Burlington, VT: Effective
March 8, 2023
Dec 14:
SCN22-117:
Changes to Fire Forecast Zones for WFO Gray and WFO Caribou, ME: Effective
March 8, 2023
Dec 14:
SCN22-116:
Changes to Marine Forecast Zones for Weather Forecast Office San Juan, PR: Effective
March 8, 2023
Dec 14:
SCN22-115:
Changes to Eastern Pacific Offshore Forecast Zones for the National Hurricane Center/Tropical Analysis and Forecast Branch, Miami, FL: Effective
March 8, 2023
Dec 14:
SCN22-114:
Changes to Marine Zones for Weather Forecast Office Lake Charles, LA: Effective
March 8, 2023
Dec 12:
SCN22-108 Updated:
Upgrade of the Surge and Tide Operational Forecast System (STOFS, formerly ESTOFS) to Version 1.1.0: Effective
January 10, 2023
Dec 6:
SCN22-113:
Operational Transition of the GOES-18 Satellite to Become GOES-West on
January 4, 2023
Jan 27:
SCN22-94 Updated:
Changes to the Geographic and Spectral Coverage of GOES-East/West Imagery on the Satellite Broadcast Network: Effective
December 1, 2022
(GOES-East) and
January 4, 2023
(GOES-West)
Jan 30, 2023:
SCN22-112 Updated:
Activation of GOES-R Geostationary Lightning Mapper Gridded Data Products on the Satellite Broadcast Network on or after
March 6, 2023
Nov 22:
SCN22-111:
Change to NEXRAD Level III Product Dissemination on or around
February 21, 2023
Nov 17:
SCN22-110:
The National Centers for Environmental Prediction (NCEP) Climate Prediction Center (CPC) Will Change the Depiction and Output Formats of the Monthly Teleconnection Products on or around
February 15, 2023
Nov 15:
SCN22-109:
National Expansion of Partial County Alerting via NOAA Weather Radio and the Emergency Alert System, with Dissemination Enhancements, for the First Set of Counties is Planned for
2023
Dec 12:
SCN22-108 Updated:
Upgrade of the Surge and Tide Operational Forecast System (STOFS, formerly ESTOFS) to Version 1.1.0: Effective
January 10, 2023
Nov 4:
SCN22-107:
Implementation of TAF Service for Hamilton Airport (KHRF) in Montana: Effective
December 21, 2022
Nov 2:
SCN22-104 Updated:
Upgrade NCEP Global Forecast System to v16.3.0: Effective
November 29, 2022
Nov 1:
SCN22-106:
Upgrade to HYSPLIT v8.0 to Provide Volcanic Ash Ensemble Predictions, HREF and GEFS Coupling to HYSPLIT and Time of Arrival Graphics for Radiological Release: Effective
December 6, 2022
Oct 28:
SCN22-105:
NWS API Version 1.10.1 Upgrade on or around
November 16, 2022
Nov 2:
SCN22-104 Updated:
Upgrade NCEP Global Forecast System to v16.3.0: Effective
November 29, 2022
Oct 27:
SCN22-103:
NAM, RAP, RTMA, URMA, GFS, GDAS and CDAS obsproc.v1.1.0 Upgrade Due to the Addition of New Observation Types and the Removal of One Observation Type: Effective
November 29, 2022
Oct 19:
SCN22-102:
Transition of the Radiosonde Replacement System (RRS) in Chuuk, Federated States of Micronesia to the 403 MHz Manual Radiosonde Observation System (MROS) in
November 2022
Oct 14:
SCN22-101:
Deployment of an Update to the Planetary K Index (Kp) on or about
November 14, 2022
Oct 13:
SCN22-100:
WFO Honolulu, HI to Issue Winter Storm Warnings and High Wind Warnings in Place of Blizzard Warnings: Effective on or about
October 15, 2022
Oct 12:
SCN22-99:
Transitioning the Experimental Day 3-7 Temperature Anomaly Graphics to Operations: Effective
November 21, 2022
Feb 14, 2025:
SCN20-80 Updated:
Enhancements to the Winter Storm Severity Index (WSSI): Effective on or around
March 17, 2025
Oct 11:
SCN22-98:
Transition of the South Central Alaska Mountain Recreational Forecast (REC) to the Avalanche Weather Guidance Issued by Weather Forecast Office (WFO) Anchorage, AK: Effective
November 9, 2022
Oct 7:
SCN22-97:
The Avalanche Weather Guidance Product Will Transition to Operational Status: Effective
November 9, 2022
Oct 3:
SCN22-96:
Change in NWS Dissemination of Harmful Algal Bloom Information from NWS Beach Hazard Statement for Florida and Texas NWS Offices: Effective
October 3, 2022
Sep 30:
SCN22-95:
Terminal Aerodrome Forecast (TAF) Availability at Pago Pago, American Samoa International Airport (NSTU/PPG) on or about
September 30, 2022
Sep 30:
SCN22-85 Updated:
Correction to the Transfer of National Weather Service (NWS) Pago Pago, American Samoa (PPG) Surface Observational Responsibilities to the American Samoa Government (ASG) on or about
September 30, 2022
Jan 27:
SCN22-94 Updated:
Changes to the Geographic and Spectral Coverage of GOES-East/West Imagery on the Satellite Broadcast Network: Effective
December 1, 2022
(GOES-East) and
January 4, 2023
(GOES-West)
Sep 29:
SCN22-93:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Two Upper Air Sites in
October 2022
Sep 28:
SCN22-92:
NWS is Operationally Implementing the National GIS Map Viewer (the “Viewer”) Web Application and Water Program Site: Effective on or about Wednesday,
September 28, 2022
Sep 22:
SCN22-91:
NOS OFS Version Updates and Implementation of Upgraded Oceanographic Forecast Modeling Systems for Lakes Superior and Ontario: Effective
October 25, 2022
Sep 21:
SCN22-38 Updated:
Upgraded IDP GIS Application to Version 3.1.0 on
September 14, 2022
Sep 19:
SCN22-90:
Announcement of Upgrade of the Global Ensemble Forecast System (GEFS) Aerosols Member (GEFS-Aerosols):
Effective October 19, 2022
Sep 15:
SCN22-63 Updated:
Changes to Fire Weather Zones for NWS Weather Forecast Office Albuquerque, NM: Effective
September 13, 2022
Sep 13:
SCN22-89:
Update to High-Resolution Ensemble Forecast (HREF): Effective
September 13, 2022
Sep 12:
SCN22-88:
Correction to NWS Shapefile Attributes for the Commonwealth of the Northern Mariana Islands: Effective
September 13, 2022
Sep 9:
SCN22-87:
WSR-88D RDA/RPG Build 21.0 Beta Test Began on
August 22, 2022
Sep 9:
SCN22-86:
Updates to Meteorological Model Ensemble River Forecasts: Effective on or about
October 10, 2022
Sep 30:
SCN22-85 Updated:
Correction to the Transfer of National Weather Service (NWS) Pago Pago, American Samoa (PPG) Surface Observational Responsibilities to the American Samoa Government (ASG) on or about
September 30, 2022
Sep 2:
SCN22-84:
Operational Implementation of NWS Damage Assessment Toolkit on or after
October 26, 2022
Sep 2:
SCN22-83:
Operational Implementation of the Intense Rainfall and Flash Flood Reports Webpage: Effective on or about
September 30, 2022
Sep 2:
SCN22-82:
Implementation of the Short Range River Forecast Uncertainty Graphic on or about
September 30, 2022
Aug 24:
SCN22-81:
Implementation of Impact-Based Warning Tags for Snow Squall Warnings and Changes to Wireless Emergency Alerts for Snow Squall Warnings: Effective on or after
November 7, 2022
Aug 24:
SCN22-80:
Implementing a New URL Address for the Experimental National GIS Map Viewer (the “Viewer”) Web Application: Effective
September 26, 2022
Aug 23:
SCN22-79:
GOES-R Mesoscale Fire Hotspots Promoted to the GOES-East and GOES-West Channels of the Satellite Broadcast Network: Effective
August 23, 2022
Aug 22:
SCN22-78:
Termination of the Week-1 Portion of the Climate Prediction Center Global Tropics Hazards and Benefits Outlook: Effective
September 13, 2022
March 10, 2023:
SCN22-77 Updated:
Change to NOAAPort/Satellite Broadcast Network (SBN): Effective in
Early 2023
Aug 22:
SCN22-76:
Lightning Climatology Across the Contiguous United States (CONUS) Will Become Operational: Effective
September 21, 2022
Aug 19:
SCN22-59 Updated:
NWS Systems to Implement a New Petersburg, AK Borough Census Area and Change the Hoonah-Angoon and Prince of Wales-Hyder, AK Census Areas: Effective
September 13, 2022
Aug 19:
SCN22-60 Updated:
Changes to Public and Fire Weather Forecast Zones for WFO Juneau, AK: Effective
September 13, 2022
Aug 19:
SCN22-57 Updated:
Changes to Marine Forecast Zones for WFO Portland, OR: Effective
September 13, 2022
Aug 19:
SCN22-61 Updated:
Changes to Public Forecast Zones for WFO Great Falls, MT: Effective
September 13, 2022
Sep 15:
SCN22-63 Updated:
Changes to Fire Weather Zones for NWS Weather Forecast Office Albuquerque, NM: Effective
September 13, 2022
Aug 19:
SCN22-62 Updated:
Changes to Public and Fire Forecast Zones for WFO Northern Indiana: Effective
September 13, 2022
Aug 16:
SCN22-75:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Five Upper Air Sites in
September 2022
Aug 16:
SCN22-74:
Discontinuation of the Experimental Two-Class Seasonal Forecast Products: Effective
September 15, 2022
Aug 19:
SCN22-62 Updated:
Changes to Public and Fire Forecast Zones for WFO Northern Indiana: Effective
September 13, 2022
Sep 15:
SCN22-63 Updated:
Changes to Fire Weather Zones for NWS Weather Forecast Office Albuquerque, NM: Effective
September 13, 2022
Aug 11:
SCN21-91 Updated:
Addition of Polygons to Non-Weather Emergency Messages (NWEMs) in World Meteorological Organization (WMO) Text Products on or about
November 7, 2022
Aug 5:
SCN22-73:
Temporary Suspension of the Arkadelphia, AR (KADF) Terminal Aerodrome Forecast (TAF): Effective Immediately,
August 5, 2022
and Until Further Notice
Aug 2:
SCN22-72:
Global Coverage of MetOp-B ASCAT Winds on the Satellite Broadcast Network: Beginning on or After
September 7, 2022
Aug 1:
SCN22-71:
Changes to Global RTOFS v2.3 to Account for Bug Fixes, Bias Corrections and Changes in Data Inputs for Operations: Effective
August 2, 2022
Jul 28:
SCN22-70:
Removal of High-frequency Global Data Assimilation System (GDAS) Plots from the Climate Prediction Center (CPC) Webpage on or about
December 1, 2022
Jul 21:
SCN22-69:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Two Upper Air Sites in
August 2022
Jul 19:
SCN22-68:
Correction of the Specification of Elevation of the Great Lakes in the High Resolution Rapid Refresh (HRRR): Effective on or about
July 19, 2022
Jul 18:
SCN22-67:
Changes to Climate Products (CLI, CLM, CLS, CLA) and Record Event Reports (RER) in the NWS New Orleans/Baton Rouge, LA Area of Responsibility on or about
October 1, 2022
Jul 15:
SCN22-65 Updated:
Implementation of Terminal Aerodrome Forecast (TAF) Service for KCIU-Chippewa County, MI International Airport: Effective
August 10, 2022
Jul 14:
SCN22-66:
Discontinuation of the Experimental Winter Storm Severity Index (WSSI) Day 4 Extension on or about
August 13, 2022
Jul 15:
SCN22-65 Updated:
Implementation of Terminal Aerodrome Forecast (TAF) Service for KCIU-Chippewa County, MI International Airport: Effective
August 10, 2022
Jun 24:
SCN22-64:
Change to the Transmission Deadline of the Weather Prediction Center QPF: Effective on or about Monday,
August 1, 2022
Sep 15:
SCN22-63 Updated:
Changes to Fire Weather Zones for NWS Weather Forecast Office Albuquerque, NM: Effective
September 13, 2022
Aug 19:
SCN22-62 Updated:
Changes to Public and Fire Forecast Zones for WFO Northern Indiana: Effective
September 13, 2022
Aug 19:
SCN22-61 Updated:
Changes to Public Forecast Zones for WFO Great Falls, MT: Effective
September 13, 2022
Aug 19:
SCN22-60 Updated:
Changes to Public and Fire Weather Forecast Zones for WFO Juneau, AK: Effective
September 13, 2022
Aug 19:
SCN22-59 Updated:
NWS Systems to Implement a New Petersburg, AK Borough Census Area and Change the Hoonah-Angoon and Prince of Wales-Hyder, AK Census Areas: Effective
September 13, 2022
Jun 23:
SCN22-58:
Implementation of the Rangeland Fire Danger Forecast Issued by WFO Austin-San Antonio, TX: Effective
June 28, 2022
Aug 19:
SCN22-57 Updated:
Changes to Marine Forecast Zones for WFO Portland, OR: Effective
September 13, 2022
Jun 21:
SCN22-56:
New and Existing NWS On-premise GIS Web Services Offering Hosted on the AWS Cloud will be Operationally Supported: Effective on or about
June 21, 2022
Jun 21:
SCN22-55:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Two Upper Air Sites in
July 2022
Jun 17:
SCN20-27 Updated:
Weather Forecast Offices (WFOs) in Binghamton, NY (BGM); Burlington, VT (BTV) and Albany, NY (ALY) will Add the Ability to Issue Tropical Cyclone Forecast Products: Effective
June 17, 2022
Jun 16:
SCN22-54:
Addition of New Parameter to Several RAP Output Grids: Effective
July 19, 2022
Jun 13:
SCN22-53:
Change to GOES-R Legacy Vertical Temperature and Moisture Profiles on the Satellite Broadcast Network on or about
July 13, 2022
Jun 8:
SCN22-52:
Enforce TLS 1.1 or Higher on NCEP Hosted Sites: Effective Date:
August 22, 2022
Jun 7:
SCN22-51:
Addition of Air Quality Alerts for Southern California: Effective
July 12, 2022
Jun 6:
SCN22-50:
Changes to the Alaska Weather Information Line Phone Number: Effective on or after
August 5, 2022
Jun 2:
SCN22-37 Updated:
Satellite Broadcast Network to Broadcast GOES-18 Imagery
August 1 to September 6, 2022 and October 15 to November 11, 2022
Jun 2:
SCN22-49:
Satellite Broadcast Network to Test GOES-18 Imagery on
June 14, 2022
May 27:
SCN22-48:
Upgrade NCEP Global Forecast System to v16.1.6 to Assimilate New Commercial GNSS-RO Data: Effective
March 29, 2022
May 25:
SCN22-43 Updated:
Wet Bulb Globe Temperature Grids in the National Digital Forecast Database Will Transition to Operational Status on
June 1, 2022
May 25:
SCN22-47:
Mitigating the Low Bias of National Blend of Models (NBM) Deterministic 6-hour Quantitative Precipitation Forecasts (QPF06) for the CONUS Domain: Effective
July 19, 2022
May 23:
SCN22-46:
Implementation of Climate Products (CF6, CLI, CLM, CLA) for Death Valley at Furnace Creek, CA on or about
July 1, 2022
May 13:
SCN22-45:
Transition of the Radiosonde Replacement System (RRS) and Transitional Radiosonde Observing System (TROS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Eight Upper Air Sites in
June 2022
May 9:
SCN22-40 Updated:
Migration and Go-Live of NCEP Model Production Suite to New Version of WCOSS: Effective
June 28, 2022,
with Two Test Periods Scheduled
June 1 and June 14, 2022
May 9:
SCN22-42 Updated:
Replacement of HYSPLIT Forecast Smoke Products with RAP Smoke Forecast Products: Effective
June 28, 2022
, with Two Test Periods Scheduled for
June 1 and June 14, 2022
May 6:
SCN22-39 Updated:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Five Upper Air Sites in
May 2022
Jun 17:
SCN20-27 Updated:
Weather Forecast Offices (WFOs) in Binghamton, NY (BGM); Burlington, VT (BTV) and Albany, NY (ALY) Will Add the Ability to Issue Tropical Cyclone Forecast Products: Effective Immediately,
June 17, 2022
May 3:
SCN22-44:
Implementation of Terminal Aerodrome Forecast (TAF) Service for Gulf Shores International Airport (IAP), Gulf Shores, AL (KJKA): Effective
July 14, 2022
May 25:
SCN22-43 Updated:
Wet Bulb Globe Temperature Grids in the National Digital Forecast Database Will Transition to Operational Status on
June 1, 2022
May 9:
SCN22-42 Updated:
Replacement of HYSPLIT Forecast Smoke Products with RAP Smoke Forecast Products: Effective
June 28, 2022
, with Two Test Periods Scheduled for
June 1 and June 14, 2022
Apr 29:
SCN22-41:
Notification of Addition to the Directory Structure for Models Hosted on NCEP Web Services: Effective
May 5, 2022
May 9:
SCN22-40 Updated:
Migration and Go-Live of NCEP Model Production Suite to New Version of WCOSS: Effective
June 28, 2022
with Two Test Periods Scheduled
June 1 and June 14, 2022
May 6:
SCN22-39 Updated:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Seven Upper Air Sites in
May 2022
Sep 21:
SCN22-38 Updated:
Upgraded IDP GIS Application to Version 3.1.0 on
September 14, 2022
Apr 13:
SCN22-35 Updated:
Multi-Day Outage of NOMADS Website for Planned Maintenance: Effective
April 19, 2022
Jun 2:
SCN22-37 Updated:
Satellite Broadcast Network to Broadcast GOES-18 Imagery
August 1 to September 6, 2022 and October 15 to November 11, 2022
Apr 12:
SCN22-32 Updated:
Availability of Standard Hydrometeorological Exchange Format (SHEF) Encoded NOAA/National Ocean Service (NOS) Visibility Data: Effective
May 3, 2022
Apr 11:
SCN22-27 Updated:
Upgrade IDP Multi-Radar, Multi-Sensor Application: Effective
April 21, 2022
Apr 7:
SCN
22
-36:
Change to NEXRAD Product Dissemination via NOAAPort/SBN on or around
May 10, 2022
Apr 13:
SCN22-35 Updated:
Multi-Day Outage of NOMADS Website for Planned Maintenance: Effective
April 19, 2022
Mar 30:
SCN22-34:
Transitioning the National Gridded Snowfall Analysis to Operational Status on or about
Friday, April 29, 2022
Mar 30:
SCN22-33:
Removing NAVGEM Input from Some NBM Probabilistic Temperature Quantile Mapping Forecasts for the CONUS Domain: Effective
April 12, 2022
Apr 12:
SCN22-32 Updated:
Availability of Standard Hydrometeorological Exchange Format (SHEF) Encoded NOAA/National Ocean Service (NOS) Visibility Data: Effective
May 3, 2022
Mar 24:
SCN22-31:
Metadata Update in Blended Hydro Products Suite on the Satellite Broadcast Network on or about
April 26, 2022
Mar 16:
SCN22-30:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Seven Upper Air Sites in
April 2022
Mar 10:
SCN22-29:
Change in Data Coverage for the Regional Geoelectric Model: Effective
March 23, 2022
Mar 8:
SCN22-28:
Updates to Marine Channel Forecast Data on TGFTP: Effective
April 12, 2022
Apr 11:
SCN22-27 Updated:
Upgrade IDP Multi-Radar, Multi-Sensor Application: Effective
April 21, 2022
Mar 1:
SCN22-26:
Aviation Tropical Cyclone Advisory (TCA) to Provide Forecast Information at Synoptic Hours Beginning on or about
May 15, 2022
Feb 28:
SCN22-25:
Addition of Year-Round Fire Weather Planning Forecasts: Effective
March 15, 2022
in Central and Western Wyoming
Feb 23:
SCN22-20 Updated:
Operational Implementation of Graphical Forecasts for Aviation (GFA) for Alaska: Effective
March 1, 2022
Feb 8:
SCN22-24:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Seven Upper Air Sites in
March 2022
Feb 7:
SCN22-23:
Modifying Application Programming Interface Response Headers on
February 7, 2022
Jan 31:
SCN22-22:
Terminating the Display of the Point Precipitation Values from Automated Flood Warning Systems (AFWS) on the NWS Webpage on or after
April 5, 2022
Jan 28:
SCN22-21:
Changes to Segment Header Block for Weather Forecast Office Honolulu, HI Non-Precipitation Weather Messages: Effective
March 1, 2022
Feb 23:
SCN22-20 Updated:
Operational Implementation of Graphical Forecasts for Aviation (GFA) for Alaska: Effective
March 1, 2022
Jan 24:
SCN22-15 Updated:
Changes to Atlantic Offshore Forecast Zones for the Tropical Analysis and Forecast Branch of the National Hurricane Center: Effective
March 22, 2022
Jan 19:
SCN22-19:
Termination of the Legacy Wang Sheeley Arge Website at the Space Weather Prediction Center: Effective
February 18, 2022
Jan 11:
SCN22-18:
Updating Excessive Rainfall Outlook Probability Definitions on or about
Thursday, February 10, 2022
Jan 6:
SCN22-17:
Consolidation of Aeronautical Fixed Telecommunications Network (AFTN) Addresses Assigned to the National Weather Service Telecommunications Gateway on
February 22, 2022
Jan 6:
SCN22-16:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Seven Upper Air Sites in
February 2022
Jan 6:
SCN21-97 Updated:
Depiction of the Climate Prediction Center (CPC) Week 3-4 Temperature and Precipitation Outlook Maps will Change on or about
January 14, 2022
Jan 24:
SCN22-15 Updated:
Changes to Atlantic Offshore Forecast Zones for the Tropical Analysis and Forecast Branch of the National Hurricane Center: Effective
March 22, 2022
Jan 6:
SCN22-14:
Reconfiguration of Fire Weather Zones by WFO Spokane, WA and WFO Pendleton, OR: Effective
March 22, 2022
Jan 6:
SCN22-13:
Reconfiguration of Public and Fire Weather Forecast Zones by WFO San Francisco Bay Area, CA: Effective
March 22, 2022
Jan 6:
SCN22-12:
Changes in Fire and Public Forecast Zones for NWS Weather Forecast Office Melbourne, FL for Volusia, Brevard, Indian River, Saint Lucie and Martin Counties in Florida: Effective
March 22, 2022
Jan 6:
SCN22-11:
Changes to Public and Fire Forecast Zones for NWS Weather Forecast Office Little Rock, AR: Effective
March 22, 2022
Jan 6:
SCN22-10:
Changes to Public and Fire Weather Forecast Zones for Weather Forecast Office Los Angeles/Oxnard, CA: Effective
March 22, 2022
Jan 6:
SCN22-09:
Changes to Public and Fire Weather Zones for NWS Weather Forecast Office New Orleans/Baton Rouge, LA: Effective
March 22, 2022
Jan 6:
SCN22-08:
Changes to Fire Forecast Zones for WFO Gray, ME: Effective
March 22, 2022
Jan 6:
SCN22-07:
Changes to Public and Marine Forecast Zones for WFO Tiyan, Guam: Effective
March 23, 2022
Jan 6:
SCN22-06:
Changes to Public and Fire Forecast Zones for Weather Forecast Office Greenville-Spartanburg, SC: Effective
March 22, 2022
Jan 6:
SCN22-05:
Changes to the Boundaries of Fire Weather Forecast Zones in Southeast Wyoming Served by NWS Weather Forecast Office (WFO) Cheyenne, Wyoming (CYS) and West Nebraska (NE) Panhandle: Effective
March 22, 2022
Jan 6:
SCN22-04:
Changes to Marine Zones for NWS Weather Forecast Office Corpus Christi, TX: Effective
March 22, 2022
Jan 6:
SCN22-03:
Changes to Public Forecast Zones for NWS Burlington, VT: Effective
March 22, 2022
Jan 6:
SCN22-02:
Implementing Improved Public and Fire Weather Forecast Zone Coverage for WFO Brownsville/Rio Grande Valley, TX: Effective
March 22, 2022
Jan 6:
SCN22-01:
Changes to Fire Forecast Zones for WFO Burlington, VT and WFO Albany, NY: Effective
March 22, 2022
Service Change Notices 2021
Dec 29:
SCN21-105:
Transfer of Terminal Aerodrome Forecast (TAF) Responsibility for Robert L. Bradshaw International Airport (TKPK), Saint Kitts and Nevis, to the Meteorological Watch Office (MWO) of Antigua and Barbuda: Effective 1700 UTC
March 15, 2022
Dec 22:
SCN21-104:
Deletion of Valdez-Cordova, AK Census Area and Federal Information Processing Standards (FIPS) Code and Addition of Chugach, AK Census Area and Copper River, AK Census Area with New FIPS Codes: Effective
March 22, 2022
for NWS Products, Services and Systems
Dec 22:
SCN21-103:
Changes to Marine Zones for WFOs Anchorage and Fairbanks, AK: Effective
March 22, 2022
Dec 22:
SCN21-102:
Changes in NWS Public Zones, Fire Weather Zones and County Warning Area and Hydrologic Service Area Boundaries:  Effective
March 22, 2022
Aug 11, 2022:
SCN21-91 Updated:
Addition of Polygons to Non-Weather Emergency Messages (NWEMs) in World Meteorological Organization (WMO) Text Products on or about
November 7, 2022
Dec 10:
SCN21-101:
Transfer of Terminal Aerodrome Forecast (TAF) Responsibility for Princess Juliana International Airport (TNCM), Sint Maarten to the Meteorological Watch Office (MWO) of Sint Maarten: Effective 1800 UTC
February 28, 2022
Dec 7:
SCN21-100:
Updates to Multisensor Snow and Ice Mapping System (IMS) Products on or around
January 3, 2022
Dec 3:
SCN21-99:
Mobile Bay Marine Channels Forecast Implementation: Effective
December 6, 2021
Dec 2:
SCN21-98:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Nine Upper Air Sites in
January 2022
Jan 6, 2022:
SCN21-97 Updated:
Depiction of the Climate Prediction Center (CPC) Week 3-4 Temperature and Precipitation Outlook Maps will Change on or about
January 14, 2022
Nov 23:
SCN21-82 Updated:
Deployment of NWSChat Application to the Integrated Dissemination Program: Effective
December 7, 2021
Nov 19:
SCN21-33 Updated:
Replacement of Common Alerting Protocol Parameter PIL with AWIPSidentifier and WMOidentifier Parameters: Effective on or about
December 7, 2021
Nov 19:
SCN21-96:
Change to NEXRAD Product Dissemination via NOAAPort/SBN on or around
February 2, 2022
Nov 18:
SCN21-95:
Depiction and Output Formats of the Daily Antarctic Oscillation (AAO), Arctic Oscillation (AO), North Atlantic Oscillation
(NAO) and Pacific North America (PNA) Teleconnection Products will Change on or about
February 15, 2022
Nov 18:
SCN21-94:
Tropical Weather Discussion (TWD) to Replace Discontinued NWS Guam Weather Forecast Office (WFO) Satellite Interpretation Message (SIM): Effective
March 1, 2022
Nov 17:
SCN21-86 Updated:
Unit Change for the Rapid Refresh (RAP) and High Resolution Rapid Refresh (HRRR) Smoke Mass Density Output and Change to Identification of the Height of the Level of Free Convection Parameter: Effective
December 21, 2021
Nov 8:
SCN21-93:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Five Upper Air Sites in
December 2021
Nov 5:
SCN21-33 Updated:
Replacement of Common Alerting Protocol Parameter PIL with AWIPSidentifier and WMOidentifier Parameters: Effective on or about
December 7, 2021
Nov 3:
SCN21-92:
Implementation of Aviation Weather Warning (AWW) Service for Ted Stevens Anchorage International Airport, AK (PANC): Effective
January 18, 2022
Aug 11, 2022:
SCN21-91 Updated:
Addition of Polygons to Non-Weather Emergency Messages (NWEMs) in World Meteorological Organization (WMO) Text Products on or about
November 7, 2022
Oct 15:
SCN21-90:
Transition of the Radiosonde Replacement System (RRS) to the 403 MHz Manual Radiosonde Observation System (MROS) at Five Upper Air Sites in
November 2021
Oct 13:
SCN21-86 Updated:
Unit Change for the Rapid Refresh (RAP) and High Resolution Rapid Refresh (HRRR) Smoke Mass Density Output and Change to Identification of the Height of the Level of Free Convection Parameter: Effective
December 21, 2021
Nov 23:
SCN21-82 Updated:
Deployment of NWSChat Application to the Integrated Dissemination Program: Effective
December 7, 2021
Oct 7:
SCN21-89:
Transition of the Transitional Radiosonde Observing System (TROS) to Manual Radiosonde Observation System (MROS) at Blacksburg, VA, on or about
October 25, 2021
Oct 7:
SCN21-88:
Transition of the Radiosonde Replacement System (RRS) to Manual Radiosonde Observation System (MROS) at Amarillo, TX, on or about
October 25, 2021
Oct 7:
SCN21-87:
Transition of the Radiosonde Replacement System (RRS) to Manual Radiosonde Observation System (MROS) at Brownsville, TX, on or about
October 18, 2021
Oct 4:
SCN21-56 Updated:
Implementation of the Consolidation and/or Reformatting of Flood Watches, Warnings and Advisories on or after
November 4, 2021
Oct 13:
SCN21-86 Updated:
Unit Change for the Rapid Refresh (RAP) and High Resolution Rapid Refresh (HRRR) Smoke Mass Density Output and Change to Identification of the Height of the Level of Free Convection Parameter: Effective
December 21, 2021
Sep 28:
SCN21-85:
Transition to Operational Status of Offshore and High Seas Gridded Forecasts from the NHC TAFB and WFO Honolulu, HI and the Offshore Gridded Forecasts from the OPC in the Pacific Basin: Effective
October 28, 2021
Sep 28:
SCN21-33 Updated:
Replacement of Common Alerting Protocol Parameter PIL with AWIPSidentifier and WMOidentifier Parameters: Effective on or About
December 7, 2021
Sep 23:
SCN21-84:
Marine Forecast Matrix Issued by Weather Forecast Office Honolulu for Additional Pacific Locations Beginning
October 1, 2021
Sep 17:
SCN21-83:
Addition of GOES-West Fog and Low Stratus Data Product for the West CONUS / PACUS Sector to the Satellite Broadcast Network (SBN) on or after
October 18, 2021
Oct 12:
SCN21-82 Updated:
Deployment of NWSChat Application to the Integrated Dissemination Program: Effective
December 7, 2021
Sep 3:
SCN21-81:
Probabilistic Extra-Tropical Storm Surge (P-ETSS) Model and Extra-Tropical Storm Surge (ETSS) Model Updates to Correct the Timing of Station Tides at Hooper Bay, AK and Protection Point, AK: Effective
September 7, 2021
Sep 3:
SCN21-80:
Update to High-Resolution Window (HIRESW):
Effective September 8, 2021
Feb 14, 2025:
SCN20-80 Updated:
Enhancements to the Winter Storm Severity Index (WSSI): Effective on or around
March 17, 2025
Aug 30:
SCN21-79:
GOES-West ABI Level-2 Products to be Added to the Satellite Broadcast Network on or after
September 30, 2021
Aug 27:
SCN21-26 Updated:
Operational ICAO Meteorological Information Exchange Model (IWXXM) Products for Aviation are Delayed until on or around
September 29, 2021
August 24:
SCN21-78:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Detroit/White Lake, MI, on or about
September 14, 2021
Aug 23:
SCN21-77:
Implementation of the National Weather Service (NWS) Enhanced Extreme Precipitation Monitor (EPM) on or about
September 22, 2021
Aug 19:
SCN21-76:
GEFSv12 Tropical Cyclone Track and Genesis Data Timing Changes: Effective
August 24, 2021
Aug 11:
SCN21-75:
Discontinuation of Local 3-Month Temperature Outlook on
August 26, 2021
Aug 10:
SCN21-74 Updated:
GOES-East and GOES-West Fire Hotspots for Mesoscale Sectors to be Added to the Satellite Broadcast Network (SBN) on or after
September 8, 2021
Aug 5:
SCN21-73:
Update to the National Blend of Models (NBM) Quantile Mapping and Dressing (QMD) to Fix an Issue with Probability of Precipitation Values in the Alaska Domain: Effective on or about
August 17, 2021
Aug 4:
SCN21-55 Updated:
Changes to Fire Weather Zones for Weather Forecast Office Honolulu, HI: Effective
July 26, 2021
Aug 4:
SCN21-72:
RTMA, RAP, NAM, GFS and GDAS Sfcshp and Prepbufr Output File Content Change Due to Addition of BUFR Format Ships and C-MAN Data: Effective
August 10, 2021
Aug 3:
SCN21-71
Updated:
The Depiction of the Climate Prediction Center 6-10 Day, 8-14 Day, Monthly and Seasonal Outlook Temperature and Precipitation Static Maps will Change on or near
September 15, 2021
Jul 26:
SCN21-70:
Probabilistic Extra-Tropical Storm Surge (P-ETSS) Model and Extra-Tropical Storm Surge (ETSS) Model Updates for Initial Water Level for Palm Beach, FL: Effective
July 27, 2021
Jul 21:
SCN21-23 Updated:
Modification of Common Alerting Protocol Parameters for Severe Thunderstorm Warnings on or around
July 28, 2021
Jul 20:
SCN21-69:
Change to Pacific Tsunami Warning Center City Location in the Mass News Disseminator (MND) Header Block Beginning
September 1, 2021
Jul 19:
SCN21-68:
Discontinuation of Climate Product for Corona Municipal Airport (KAJO), CA on or about
August 30, 2021
Jul 15:
SCN21-60 Updated:
Air Quality Prediction v6 (AQM) Update: Effective
July 20, 2021
Jul 8:
SCN21-67:
New Lake Erie Harmful Algal Bloom Webpage Map Interface: Effective
July 7, 2021
Jul 8:
SCN21-65 Updated:
Implementation of the Whole Atmosphere Model-Ionosphere Plasmasphere Electrodynamics (WAM-IPE) Forecast System (WFS), a New Space Weather Product from the Space Weather Prediction Center (SWPC): Effective
July 14, 2021
Jul 1:
SCN21-58
Updated:
Upgrade of the Global Extratropical Surge and Tide Operational Forecast System (Global ESTOFS) to Version 2.0.3: Effective
July 27, 2021
Jul 1:
SCN21-66:
Changes to the High Surf Advisory Thresholds for South and East-facing Shores of the Hawaiian Islands: Effective on or around
August 2, 2021
Jul 8:
SCN21-65 Updated:
Implementation of the Whole Atmosphere Model-Ionosphere Plasmasphere Electrodynamics (WAM-IPE) Forecast System (WFS), a New Space Weather Product from the Space Weather Prediction Center (SWPC): Effective
July 14, 2021
Jun 30:
SCN21-64:
Product Changes for CBOFS and NGOFS2 Station Output Files: Effective
July 7, 2021
Jun 24:
SCN21-22 Updated:
Enhanced Features of the Text-based NWS Severe Thunderstorm Warning and Special Weather Statement Products: Implemented
Mid-to-Late July 2021
Jun 24:
SCN21-63:
Reconfiguration of Public Forecast Zones by WFO Spokane, WA: Effective
September 8, 2021
Jun 24:
SCN21-62:
Changes to Public Forecast Zones for Central California: Effective
September 8, 2021
Jun 21:
SCN21-61:
Announcement of Minor Upgrade to the Global Ensemble Forecast System (GEFS): Effective
July 20, 2021
Jul 15:
SCN21-60 Updated:
Air Quality Prediction v6 (AQM) Update: Effective
July 20, 2021
Jun 21:
SCN21-59 Updated:
Updates to the NWS RFC QPE Services on IDP GIS: Effective on or after
July 20th, 2021
Jul 1:
SCN21-58
Updated:
Upgrade of the Global Extratropical Surge and Tide Operational Forecast System (Global ESTOFS) to Version 2.0.3: Effective
July 27, 2021
Jun 9:
SCN21-57:
Upcoming Changes to the Model Analysis and Guidance (MAG) Website: Effective
July 13, 2021
Oct 4:
SCN21-56 Updated:
Implementation of the Consolidation and/or Reformatting of Flood Watches, Warnings and Advisories on or after
November 4, 2021
Jun 8:
SCN21-37 Updated:
WSR-88D RDA/RPG Build 20.0 Beta Test Began on
May 25, 2021
Aug 4:
SCN21-55 Updated:
Changes to Fire Weather Zones for Weather Forecast Office Honolulu, HI: Effective
July 26, 2021
May 28:
SCN21-54:
Updates to the Aeronautical Fixed Telecommunications Network (AFTN) on or about
June 22, 2021
May 25:
SCN21-53:
Discontinuing Legacy ProbSevere Product from IDP Multi-Radar, Multi-Sensor Application: Effective
August 10, 2021
May 17:
SCN21-52:
Upgrade NCEP Global Forecast System to v16.1.1: Effective
May 18, 2021
Jun 8:
SCN21-37 Updated:
WSR-88D RDA/RPG Build 20.0 Beta Test Scheduled to Begin on or around
May 25, 2021
May 7:
SCN21-51:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Lihue, HI, on or about
June 1, 2021
May 7:
SCN21-50:
Initial Implementation of SPC-Post, Including Calibrated Thunderstorm and Severe Thunderstorm Guidance: Effective
May 11, 2021
May 5:
SCN21-49:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Hilo, HI, on or about
May 24, 2021
Aug 27:
SCN21-26 Updated:
Operational ICAO Meteorological Information Exchange Model (IWXXM) Products for Aviation are Delayed until on or around
September 29, 2021
May 3:
SCN21-27A:
Update to the National Blend of Models (NBM) Quantile Mapping and Dressing (QMD) to Fix an Issue with Unrealistically High Probability of Precipitation Values over Northwest Mexico
Apr 26:
SCN21-48:
Discontinue GEFS Legacy Version 10 Output: Effective
May 26, 2021
Apr 23:
SCN21-47 Updated:
eXtensible Markup Language (XML) Graphical AIRman's METeorological Information (G-AIRMET) is
Now Operational
Apr 22:
SCN21-46:
WFO Honolulu, HI to Issue Coastal Flood Statements: Effective
May 21, 2021
Apr 16:
SCN21-45:
Termination of the Marine Weather Discussion Text Product: Effective
May 17, 2021
Apr 16:
SCN21-44 Updated:
Implementation of Terminal Aerodrome Forecast (TAF) Service for Northeast Kingdom International Airport, Newport, VT (KEFK): Effective
May 18, 2021
Apr 15:
SCN21-43:
Implementation of Terminal Aerodrome Forecast (TAF) Service for Jefferson City Memorial Airport, Jefferson City, MO (KJEF): Effective
May 18, 2021
Apr 16:
SCN21-42 Updated:
Implementation of Terminal Aerodrome Forecast (TAF) Service for Charleston Executive Airport, Charleston, SC (KJZI): Effective
May 19, 2021
Apr 9:
SCN21-41:
Probabilistic Tropical Cyclone Storm Surge (P-Surge) Model Upgrade: Effective
May 11, 2021
Apr 9:
SCN21-40:
Addition of the Extreme Wind Warning to the Suite of Tropical Products Issued by WFO Honolulu, HI: Effective on or around
June 1, 2021
Apr 2:
SCN21-39:
Metadata Correction to 1-Hourly Climatology Calibrated Precipitation Analysis (CCPA) Product: Effective
May 4, 2021
Apr 23:
SCN21-38 Updated:
Upgrade to High Resolution Ensemble Forecast (HREF) and High-Resolution Window (HIRESW): Effective
May 11, 2021
Jun 8:
SCN21-37 Updated:
WSR-88D RDA/RPG Build 20.0 Beta Test Began on
May 25, 2021
Apr 1:
SCN21-03 Updated:
Changes to Public Forecast Zones for Weather Forecast Office Honolulu, HI: Effective
March 30, 2021
Mar 31:
SCN21-36:
Turn Off Date for WSR-88D Low-Resolution Products on or around
May 2, 2021
Mar 30:
SCN21-35:
Discontinuing the OPC Marine Weather Discussion (MIM): Effective 2200 UTC
April 29, 2021
Mar 26:
SCN21-34:
Notice of Radar Level II Outage Downstream Impacts: Effective
March 27, 2021
Sep 28:
SCN21-33 Updated:
Replacement of Common Alerting Protocol Parameter PIL with AWIPSidentifier and WMOidentifier Parameters: Effective on or about
December 7, 2021
Mar 17:
SCN21-32:
NOMADS/FTP Website User Access Changes: Effective
April 20, 2021
Mar 17:
SCN21-31:
Addition of Air Quality Alerts for Smoke for North Central and Southwest Wyoming: Effective
May 4, 2021
Mar 17:
SCN21-30:
NWS Upper Air Station at Chatham, MA to Permanently Close: Effective
April 1, 2021
Mar 18:
SCN21-20 Updated:
Upgrade NCEP Global Forecast Systems (GFS) to v16: Effective
March 17, 2021
Mar 15:
SCN21-29:
Implementation of Partial County Alerting via NOAA Weather Radio All Hazards (NWR) and the Emergency Alert System (EAS) for Clark County, NV: Effective on or about
June 1, 2021
Mar 12:
SCN21-28:
NAM, GFS and GDAS Satellite Output Filename Change Due to Addition of Commercial Satellite Data: Effective
April 13, 2021
Mar 3:
SCN21-27:
Additive Field Change to the Aviation Tropical Cyclone Advisory (TCA): Effective on or about
May 15, 2021
Aug 27:
SCN21-26 Updated:
Operational ICAO Meteorological Information Exchange Model (IWXXM) Products for Aviation are Delayed until on or around
September 29, 2021
Feb 23:
SCN21-25:
Removal of Amber Alerts (SAME Code: Child Abduction Emergency) from the National Hazards Map: Effective
March 24, 2020
Mar 19:
SCN21-24 Updated:
Modifying the NBM's Quantile Mapping and Dressing (QMD) Grand Ensemble Mean (GEM) Deterministic QPF for the CONUS, Alaska and Puerto Rico Domains; and Minor Corrections Made to the NBM QMD QPF, Present Weather, Alaska Fire Weather and Text Message Products: Effective
March 29, 2021
Jul 21:
SCN21-23 Updated:
Modification of Common Alerting Protocol Parameters for Severe Thunderstorm Warnings on or around
July 28, 2021
Jun 24:
SCN21-22 Updated:
Enhanced Features of the Text-based NWS Severe Thunderstorm Warning and Special Weather Statement Products: Implemented
Mid-to-Late July 2021
Mar 19:
SCN20-99 Updated:
Changes to LAMP Station-based and Gridded Guidance: Effective
March 22, 2021
Mar 19:
SCN20-119:
Upgrade of National Water Model on NCEP’s WCOSS System and its Post-Processing Application on the Integrated Dissemination Platform (IDP): Effective
April 20, 2021
Mar 18:
SCN21-21 Updated:
Notification of Dissemination Changes of Models Downstream of the GFS Due to the GFSv16 Upgrade: Effective
March 22, 2021
Mar 18:
SCN21-20 Updated:
Upgrade NCEP Global Forecast Systems (GFS) to v16: Effective
March 22, 2021
Mar 17:
SCN21-14 Updated:
Implementation of New Oceanographic Forecast Modeling System for the U.S. West Coast (WCOFS) and the Upgraded Northern Gulf of America (NGOFS2): Effective
Monday, March 22, 2021
Feb 25:
SCN20-108 Updated:
The Special Avalanche Bulletin (SAB) Will Become Authorized for Use at Additional Weather Forecast Offices (WFOs): Effective
December 16, 2020
Feb 24:
SCN20-117 Updated:
Static Radar Image Files Temporarily Suspended on EMWIN Services: Effective
December 16, 2020
Feb 19:
SCN20-111 Updated:
IP Address Changes to NWSChat and NOAA Weather Wire Service Open Interface on or about
March 2, 2021
Feb 16:
SCN21-01 Updated:
Implementation of IDP CAP Handler Application and Modification of CAP Version 1.2 Output: Effective
February 24, 2021
Feb 10:
SCN21-19:
Changes to the NWS RFC QPE Services on IDP GIS: Effective on or after
March 23, 2021
Feb 10:
SCN21-18:
NCWCP Electrical Preventative Maintenance
February 13 and February 20, 2021
Feb 3:
SCN21-05 Updated:
Changes in Fire and Public Zones for NWS Weather Forecast Office Jacksonville, FL, for Clay, Duval and Putnam Counties in Florida: Effective
March 30, 2021
Feb 1:
SCN20-116 Updated:
The Nearshore Wave Prediction System (NWPS) Update v1.3: Effective on or about
February 3, 2021
Feb 1:
SCN20-100 Updated:
Geospace Model (SWMF) Upgraded to Version 2.0: Effective
February 3, 2021
Jan 27:
SCN21-17:
Upgrade of Multi-Radar Multi-Sensor (MRMS) System to v12.1.0: Effective
February 23, 2021
Jan 26:
SCN21-16:
Implementation of a Format Change to the Rangeland Fire Danger Forecast issued by WFO Corpus Christi, TX: Effective
February 24, 2021
Jan 20:
SCN21-15:
Discontinuation of the Max/Min Temperature and Precipitation Table Product for Tennessee on
February 19, 2021
Mar 17:
SCN21-14 Updated:
Implementation of New Oceanographic Forecast Modeling System for the U.S. West Coast (WCOFS) and the Upgraded Northern Gulf of America (NGOFS2): Effective
Monday, March 22, 2021
Jan 19:
SCN21-13:
Changes to Hydrologic Ensemble Forecast Service (HEFS) Probabilistic Water Resources Forecasts Issued by NWS RFCs: Beginning on
February 18, 2021
and Fully Implemented by
September 30, 2021
Jan 15:
SCN20-118 Updated:
Outage of NOMADS Website for Planned Maintenance: Effective
January 21, 2021
Jan 14:
SCN21-12:
Changes to Marine Zones for WFO New York, NY (OKX): Effective
March 30, 2021
Jan 14:
SCN21-11:
Changes to Marine Zones for WFO Duluth, MN (DLH) and WFO Marquette, MI (MQT): Effective
March 30, 2021
Jan 14:
SCN21-10:
Hydrologic Service Changes for Green River and Colorado River in Utah Provided by NWS WFOs Grand Junction, CO and Salt Lake City, UT: Effective
March 30, 2021
Jan 13:
SCN21-09:
Changes to Public Forecast Zones for WFO Salt Lake City, UT: Effective
March 30, 2021
Jan 13:
SCN21-08:
Changes to Fire Weather Forecast Zones for WFO Reno, NV: Effective
March 30, 2021
Jan 13:
SCN21-07:
Changes to Fire Weather Forecast Zones for NWS Weather Forecast Office Miami, FL: Effective
March 30, 2021
Jan 13:
SCN21-06:
Changes to Public and Fire Weather Zones for NWS Weather Forecast Office New Orleans/Baton Rouge, LA: Effective
March 30, 2021
Feb 3:
SCN21-05 Updated:
Changes in Fire and Public Zones for NWS Weather Forecast Office Jacksonville, FL, for Clay, Duval and Putnam Counties in Florida: Effective
March 30, 2021
Jan 13:
SCN21-04:
Changes to Public and Fire Forecast Zones for NWS Weather Forecast Office Houston/Galveston, TX: Effective
March 30, 2021
Apr 1:
SCN21-03 Updated:
Changes to Public Forecast Zones for Weather Forecast Office Honolulu, HI: Effective
March 30, 2021
Jan 13:
SCN21-02 Updated:
Changes to Public and Fire Forecast Zones for WFO Columbia, SC: Effective
March 30, 2021
Feb 16:
SCN21-01 Updated:
Implementation of IDP CAP Handler Application and Modification of CAP Version 1.2 Output: Effective
February 24, 2021
Service Change Notices 2020
Dec 22:
SCN20-121
: Termination of the Satellite-Derived Tropical Rainfall Estimate Text Product: Effective
February 1, 2021
Dec 21:
SCN20-120:
Discontinuation of the Collaborative Nearshore Swell and Wind Forecast (SRD): Effective
December 30, 2020
Mar 19, 2021:
SCN20-119:
Upgrade of National Water Model on NCEP’s WCOSS System and its Post-Processing Application on the Integrated Dissemination Platform (IDP): Effective
April 20, 2021
Jan 15, 2021:
SCN20-118 Updated:
Outage of NOMADS Website for Planned Maintenance: Effective
January 21, 2021
Feb 24, 2021:
SCN20-117 Updated:
Static Radar Image Files Temporarily Suspended on EMWIN Services: Effective
December 16, 2020
Feb 1, 2021:
SCN20-116 Updated:
The Nearshore Wave Prediction System (NWPS) Update v1.3: Effective on or about
February 3, 2021
Dec 10:
SCN20-115:
Storm Prediction Center Probabilistic Day 3-8 Fire Weather Outlooks Will Transition to Operational Status: Effective on or about
February 23, 2021
Dec 9:
SCN20-114:
NWS Upper Air Observations Resume at Simpson Bay, St. Maarten as of
November 17, 2020
Dec 4:
SCN20-113:
The U.S. National Ice Center (USNIC) is Transitioning to a New Website (usicecenter.gov): Effective
December 7, 2020
Nov 23:
SCN20-112:
Termination of gaugeQC Products: Effective
January 5, 2021
Feb 19, 2021:
SCN20-111 Updated:
IP Address Changes to NWSChat and NOAA Weather Wire Service Open Interface on or about
March 2, 2021
Nov 18:
SCN20-110:
Changes to River Forecast (RVF) Products Issued by Middle Atlantic River Forecast Center: Effective
January 27, 2021
Nov 16:
SCN20-109:
Operational Implementation of the 7-day Extension for the National Fire Danger Rating System (NFDRS) Forecast Product (FWM): Effective
December 31, 2020
Feb 25, 2021:
SCN20-108 Updated:
The Special Avalanche Bulletin (SAB) Will Become Authorized for Use at Additional Weather Forecast Offices (WFOs): Effective
December 16, 2020
Nov 12:
SCN20-107:
New Damage Assessment Toolkit (DAT): Effective
November 20, 2020
Feb 1, 2021:
SCN20-106 Updated:
Probabilistic Extra-Tropical Storm Surge (P-ETSS) Model Upgrade and Extra-Tropical Storm Surge (ETSS) Model Upgrade: Effective
February 25, 2021
Nov 6:
SCN20-105:
Upgrade to Real-Time Ocean Forecasting System (RTOFS): Effective
December 8, 2020
Nov 6:
SCN20-104:
Deactivation of Legacy GINI Global Multi-Satellite Geostationary Imagery Composite Products from the NOAAPort/SBN: Effective
December 10, 2020
Nov 3:
SCN20-103:
Termination of "Minutes to Skin Damage" Information Provided on UV Index 58 City Graphic: Effective
December 3, 2020
Nov 2:
SCN20-102:
Planned Power Outage at NWS Silver Spring Headquarters for Emergency Building Maintenance
November 5, 2020
Nov 2:
SCN20-101 Updated: Immediate
Cessation of ASOS Weather Observations and Climate Products for Campo, CA (KCZZ)
Feb 1, 2021:
SCN20-100 Updated:
Geospace Model (SWMF) Upgraded to Version 2.0: Effective
February 3, 2021
Mar 19, 2021:
SCN20-99 Updated:
Changes to LAMP Station-based and Gridded Guidance: Effective
March 22, 2021
Oct 28:
SCN20-98:
Improved Aurora Forecasts at the Space Weather Prediction Center: Effective
October 28, 2020
Nov 6:
SCN20-97 Updated:
Upgrade Current Icing Product: Effective
December 8, 2020
Oct 21:
SCN20-96:
Network Maintenance on
October 22, 2020
to Affect Dissemination of Tsunami Products
Oct 21:
SCN20-95:
Temporary Addition of Select RAP Fields to NOAAPort: Effective Date:
October 22 and November 10, 2020
Oct 19:
SCN20-94:
Outage of Some NWS Products on SBN/NOAAPort/NWS ftp Server and Delivered to the FAA Due to Planned Maintenance: Effective Date:
October 22, 2020
Oct 20:
SCN20-93 Updated:
Outage of NOMADS Website for Planned Maintenance: Effective Date:
October 22, 2020
Oct 13:
SCN20-92:
Native Unsigned Datatypes in GOES-16 L2 Products on the Satellite Broadcast Network: Effective
November 12, 2020
Oct 26:
SCN20-91 Updated:
NOAAPort / Satellite Broadcast Network (SBN) National Blend of Models (NBM) Dissemination Test on
October 27, 2020
Sep 29:
SCN20-90:
Addition of Air Quality Alerts for Smoke: Effective
September 29, 2020
in Central and Western Wyoming
Oct 23:
SCN20-89 Updated:
Implementation of the Extratropical Surge and Tide Operational Forecast System Global (ESTOFS-Global): Effective
November 24, 2020
Sep 24:
SCN20-88:
Regional Geoelectric Model Upgraded to 3D-Empirical at the Space Weather Prediction Center: Effective
September 24, 2020
Sep 17:
SCN20-87:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Quillayute, WA, on or about
October 27, 2020
Sep 21:
SCN20-86 Updated:
Outage of Some NWS Products on SBN/NOAAPort and NWS Web Services for Planned Maintenance
Nov 24:
SCN20-85 Updated:
Replacement of RIDGE I Radar with RIDGE II Radar Webpage: Effective on or about
December 16, 2020
Sep 11:
SCN20-84:
Add Loop Heat Pipe Metadata to GOES-R ABI Imagery on the Satellite Broadcast Network (a.k.a., NOAAPort): Effective
September 2, 2020
Sep 8:
SCN20-83:
Add GOES-17 ASOS Satellite Cloud Product to the Satellite Broadcast Network (SBN or NOAAPort) on or after
September 28, 2020
Oct 22:
SCN20-82 Updated:
NWS Upper Air Station in International Falls, MN, to Use GPS Lockheed Martin LMS-6 403 MHz Radiosonde with the Lockheed Martin Groundstation Starting
October 7, 2020
Aug 28:
SCN20-81:
Probabilistic Tropical Cyclone Storm Surge (P-Surge) Model Upgrades: Effective
September 29, 2020
Feb 14, 2025:
SCN20-80 Updated:
Enhancements to the Winter Storm Severity Index (WSSI): Effective on or around
March 17, 2025
Aug 26:
SCN20-79:
Discontinuation of the Hourly Weather Roundup Text Product and Replace With the Regional Weather Roundup Text Product for WFO Corpus Christi, TX: Effective
October 1, 2020
Aug 31:
SCN20-78 Updated:
Upgrade of National Blend of Models Guidance: Effective
September 29, 2020
Sep 22:
SCN20-77 Updated:
NOAAPort/Satellite Broadcast Network (SBN) Channel Realignment and Re-Prioritization: Effective
September 22, 2020
Aug 24:
SCN20-76:
Datum Revised for Upper Air Release Point at Green Bay, WI
Aug 20:
SCN20-75:
Announcement of Upgrade to the Global Ensemble Forecast System (GEFS), Coupled with the Global Wave Ensemble System (GWES) and the NEMS GFS Aerosol Component (NGAC): Effective
September 23, 2020
and Request for Comments
Aug 20:
SCN20-74:
Notification of Timing Changes of All Model Data onto NCEP Web Services: Effective
September 23, 2020
Aug 14:
SCN20-73:
Enhancement of WEA Messages for Snow Squall Warnings (SQW) to Include 360 Character English Messages and Spanish Messages in Both 90 and 360 Characters on or after
September 15, 2020
Sep 10:
SCN20-72
Updated:
Upgrade IDP Multi-Radar, Multi-Sensor Application: Effective
October 14, 2020
Aug 25:
SCN20-71 Updated:
Remove GOES-16 L2 Volcanic Ash Derived Product from the Satellite Broadcast Network (NOAAPort):
Effective on or after
September 19, 2020
Oct 29:
SCN20-70 Updated:
Changes to Fire Weather Forecast Zones for WFO Tucson, AZ: Effective
November 10, 2020
Oct 29:
SCN20-69 Updated:
Changes to the Boundaries of Fire Weather Forecast Zones in Central and Eastern South Dakota and Northeast Nebraska Served by WFOs Aberdeen, SD, (ABR) and Sioux Falls, SD (FSD): Effective
November 10, 2020
Aug 12:
SCN20-68:
Correction to the North American Model (NAM) Model Output Statistics (MOS) Ceiling Thresholds to be Implemented on or about
September 21, 2020
Aug 11:
SCN20-67:
Addition of Global Multi-Satellite Geostationary Imagery Composite Products to the Satellite Broadcast Network (SBN or NOAAPort): Effective on or after
September 16, 2020
Aug 11:
SCN20-66
: Addition of GOES-16 Fog and Low Stratus (FLS) Product to the Satellite Broadcast Network (SBN or NOAAPort): Effective on or after
September 9, 2020
Aug 10:
SCN20-65:
Upgrade IDP GIS Application for New Tropical Services: Effective
August 25, 2020
Aug 4:
SCN20-64:
Addition of Air Quality Alerts for Smoke Effective in Cheyenne, WY on or about
September 2, 2020
Aug 4:
SCN20-63:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Salem, OR on or about
August 31, 2020
Jul 24:
SCN20-61 Updated:
Enforce TLS 1.2 or Higher on Several NWS Websites: Effective
January 12, 2021
Jul 14:
SCN20-62:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Oakland, CA on or about
July 31, 2020
Jul 24:
SCN20-61 Updated:
Enforce TLS 1.2 or Higher on Several NWS Websites: Effective
January 12, 2021
Jun 26:
SCN20-60:
Change to Name of Sea Ice Advisory Product: Effective
September 1, 2020
Jul 9:
SCN20-59
Updated:
Changes to HRRRv3 Smartinit Output in Support of RTMA/URMA Upgrade: Effective
July 23, 2020
Jun 19:
SCN20-58:
Termination of the Model Diagnostic Discussion (PMDHMD) and 500-mb Height Preference Graphics on
August 15, 2020
Jun 19:
SCN20-57:
Suspension of the Mayaguez, PR (TJMZ) TAF: Effective
September 14, 2020
Jun 19:
SCN20-56:
Discontinuation of the Max/Min Temperature and Precipitation Table Product for Florida: Effective
Wednesday, July 22, 2020
Jun 18:
SCN20-52 Updated:
Snow Level Grids for Select CONUS WFOs as an Element in the National Digital Forecast Database Will Become Operational: Effective
December 15, 2020
Jun 17:
SCN20-55:
Deactivation of Legacy GINI Blended Hydrology Products from the NOAAPort/Satellite Broadcast Network (SBN): Effective
July 21, 2020
Jul 9:
SCN20-54
Updated:
Upgrade to Hurricane Weather and Research Forecast (HWRF): Effective
July 22, 2020
May 15:
SCN20-53:
NWS to Continue the San Francisco, CA Marine Stratus Forecast System
as Long as Feasible
Jun 18:
SCN20-52 Updated:
Snow Level Grids for Select CONUS WFOs as an Element in the National Digital Forecast Database will Become Operational: Effective
December 15, 2020
May 8:
SCN20-51:
Upgrade to Hurricanes in a Multi-scale Ocean-Coupled Non-Hydrostatic (HMON): Effective
June 9, 2020
May 4:
SCN20-50:
Format Change to the Great Lakes Marine Website On or Around
July 1, 2020
May 1:
SCN20-49A:
Outage of Some NWS Products to the SBN/NOAAPort Due to Planned Network Upgrade: Effective
May 5, 2020
Jun 15:
SCN20-49 Updated:
Changes to the Aviation Tropical Cyclone Advisory (TCA): Effective
Immediately
Apr 29:
SCN20-48A:
Replace Global Forecast Systems (GFS) Variables on NOAAPort and GTS: Effective
June 16, 2020
Jul 29:
SCN20-48 Updated:
Operational Implementation of Graphical Forecasts for Aviation (GFA) for Hawaii and Portions of the Pacific Ocean: Effective
August 4, 2020
Apr 27:
SCN20-47A:
Transition of Model Output Statistics (MOS)-based Products Website URL Location: Effective
April 27, 2020
May 22:
SCN20-47:
Beginning
May 26, 2020
, NWS will Proceed with Providing NWS Data in Geospatial Formats
Nov 2:
SCN20-46 Updated:
Upgrade to the RAP and HRRR Analysis and Forecast System, Including Change to Location of North America Rapid Refresh Ensemble (NARRE) Data: Effective
December 2, 2020
Jun 24:
SCN20-45 Updated:
Announcement of RTMA/URMA/RTMA-RU Upgrade, Including Changes to NAM SmartInit: Effective
July 23, 2020
, and Request for Comments
Apr 15:
SCN20-44:
Cessation of Weather Observations and Suspension of TAF and Climate Products for Bisbee-Douglas International Airport (KDUG) in Arizona: Effective
April 15, 2020, Until Further Notice
Jun 11:
SCN19-43 Updated
: Implementation of NWS 360 Character English and Spanish Wireless Emergency Alerts (WEA) Messages on or after
June 17, 2020
, and Technical Reminder for Common Alerting Protocol (CAP) Users
Apr 14:
SCN20-43:
Product Changes for File Structures and Retention Periods of NOS Operational Forecast Systems (OFS): Effective
May 20, 2020
Jul 10:
SCN20-42 Updated:
Change to NEXRAD Level III Product Dissemination on or around
June 16, 2020
Apr 9:
SCN20-41:
Update to Model Analyses and Guidance (MAG) Website WaveWatch III Model (WW3) on or about
April 21, 2020
Apr 9:
SCN20-40 Updated:
Removal of National Operational Hydrologic Remote Sensing Center (NOHRSC) National Snow Analysis (NSA) FTP Services: Effective
May 1, 2020
Apr 1:
SCN20-39:
Changes to NWS SDM Administrative Message Product Headers and Request for Comments: to be Implemented on or after
April 30, 2020
Apr 1:
SCN20-38:
Termination of toc.nwstg@noaa.gov Email Account with Request for Comments: to be Implemented
May 1, 2020
Apr 1:
SCN20-37:
Termination of the 1-800 OneNWSnet Phone Numbers with Request for Comments: to be Implemented
May 1, 2020
Mar 31:
SCN20-36:
Termination of the National Ceiling and Visibility Analysis (NCVA) Display Effective
April 30, 2020
Mar 31:
SCN20-35:
Operational Implementation of the Helicopter Emergency Medical Services (HEMS) Tool Enhancements: Effective
March 31, 2020
Mar 31:
SCN20-34:
Implementation of Updated Description of NWS Use of Twitter Service: Effective
April 23, 2020
Mar 30:
SCN20-33:
Upgrade NOAA nowCOAST GIS Web Mapping Portal: Effective
March 31, 2020
Mar 24:
SCN20-32:
Upgrade of IDP National Water Model Post-Processing: Effective
April 28, 2020
Mar 13:
SCN20-31:
Service Transfer of Maryland’s Garrett and Cecil Counties to WFO Baltimore, MD/Washington, DC: Effective
June 2, 2020
Aug 3:
SCN19-31 Updated:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Anchorage, AK, on or about
May 3, 2019
Apr 14:
SCN20-30 Updated
: RDA/RPG Build 19.0 Beta Test Sites
Delayed Until Further Notice
Mar 4:
SCN20-29:
Four NWS Eastern Region Weather Forecast Offices (WFOs) Will Begin Issuing Tropical Cyclone Forecast Products: Effective on or about
June 1, 2020
Mar 3:
SCN20-28:
Addition of Fire Weather Hazards on the National Forecast Chart: Effective
Tuesday, April 7, 2020
Jun 17, 2022:
SCN20-27 Updated:
Weather Forecast Offices (WFOs) in Binghamton, NY (BGM); Burlington, VT (BTV) and Albany, NY (ALY) will Add the Ability to Issue Tropical Cyclone Forecast Products Effective
June 17, 2022
Mar 2:
SCN20-26:
Discontinuing Experimental Graphical Weather Review Webpage: Effective
April 15, 2020
Feb 27:
SCN20-25:
National Hurricane Center (NHC) Tropical Cyclone JavaScript Object Notation (JSON) File Transition to Operational on or about
May 15, 2020
Feb 26:
SCN20-24:
Discontinuation of Spanish Translation of the Tropical Cyclone Discussion for the Atlantic Basin: Effective
April 9, 2020
Apr 27:
SCN20-23 Updated:
NESDIS to Replace 4 Kilometer Resolution Version of the Blended Vegetation Health Products With a Version at 1 Kilometer Resolution on or about
May 28, 2020
Feb 14:
SCN19-43 Updated:
Implementation of NWS 360 Character English and Spanish Wireless Emergency Alerts (WEA) Messages at a
Date to be Determined
and Technical Reminder for CAP Users
Feb 14:
SCN19-101 Updated:
Implementation of Wireless Emergency Alerts (WEA) Changes for Flash Flood Warnings on or after
February 18,  2020
Feb 13:
SCN20-22
: Add (GOES-West) CONUS Sector Derived Motion Winds Product and Channel Reassignments for Other Satellite Products on SBN/NOAAPort: Effective
March 10, 2020
Feb 13:
SCN20-21:
HazCollect Service Termination: Effective
Immediately
Feb 13:
SCN20-20:
Addition of 60-hour Tropical Cyclone Forecasts on or about
May 15, 2020
Feb 11:
SCN19-113 Updated
: Upgrade Weather.gov API Services: Effective
TBD
Feb 11:
SCN20-19:
Format Change to the Surf Zone Forecast: Effective
April 22, 2020
Feb 11:
SCN20-18:
NWS Alaska Pacific River Forecast Center will Discontinue Issuing Text Only River Forecast Products and Daily River Text Products: Effective
April 1, 2020
Feb 10:
SCN20-17:
Incorrectly issued as a SCN.  See
PNS20-04A
Feb 7:
SCN20-16:
Incorrectly issued as a SCN.  See
PNS20-03A
Feb 7:
SCN20-15:
Change to NEXRAD Level III Product Dissemination on or around
April 15, 2020
Mar 25:
SCN20-14 Updated:
Termination of the NWS Pacific Tsunami Warning Center (PTWC) Website: Effective
March 23, 2020
Feb 6:
SCN20-13:
Notification of Security Changes for NCEP NOMADS Website: Effective
April 28, 2020
Aug 3:
SCN20-12 Updated:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at San Diego, CA on or about
February 29, 2020
Jan 24:
SCN19-94 Updated:
Addition of Risk Graphics for Individual Convective Threats in the Storm Prediction Center's Day 2 Outlook: Effective with the 1730 UTC Outlook on
January 30, 2020
Jan 24:
SCN20-11:
Additions and Changes to the Station Time Series BUFR Station Lists for the NAM, GFS, RAP, HRRR, SREF and HIRESW: Effective
February 25, 2020
Jan 21:
SCN20-10:
Implement Near Sea Surface Temperature to Replace RTGSST and SSTOI, Including an Update to CDAS SST Output: Effective on or about
February 11, 2020
Jan 16:
SCN20-09:
Earlier Release Time for RTOFS Global Products: Effective
January 17, 2020
Feb 3:
SCN20-08 Updated:
Changes to Satellite Broadcast Network (SBN or NOAAPort) Products Associated with the End of GOES-15 Tandem Supplemental Operations on
March 2, 2020
Jan 13:
SCN19-92 Updated:
Correction to Properly Pack Low Level Wind Shear Data for Downstream NBM Processing: Implementation Date has been Delayed to
Tuesday, February 18, 2020
Jan 13:
SCN20-07:
Correct Issue with NBM v3.1 GFS QPF Input on
January 21, 2020
Jan 13:
SCN20-06:
Incorrectly issued as a SCN.  See
PNS20-02A
Jan 10:
SCN20-05:
Incorrectly issued as a SCN.  See
PNS20-01A
Jan 6:
SCN19-80 Updated:
Removal of Redbook Graphics, GIF Images, Fax Charts, AFOS Products and Bulletins: Effective
December 30, 2019
Jan 3:
SCN20-04:
Termination of DMSP/SSM/I Neural Net 3 Products: Effective
February 4, 2020
Feb 24:
SCN20-03 Updated:
Addition of Global Blended Hydrology Products to the NOAAPort/Satellite Broadcast Network (SBN): Effective
March 12, 2020
Aug 3:
SCN20-02 Updated:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Del Rio, TX on or about
January 24, 2020
Jan 2:
SCN20-01:
Change to the Content of the NWS Hydrologic Short-term Meteorological Model-Based Ensemble Forecasting System: Effective
February 11, 2020
Service Change Notices 2019
Jan 6, 2020:
SCN19-80 Updated:
Removal of Redbook Graphics, GIF Images, Fax Charts, AFOS Products and Bulletins: Effective
December 30, 2019
Feb 11, 2020:
SCN19-113 Updated
: Upgrade Weather.gov API Services: Effective
TBD
Dec 17:
SCN19-112:
Changes to Public and Fire Weather Forecast Zones for WFO Eureka, CA and WFO Sacramento, CA, Affecting Lake County,  CA: Effective
March 3, 2020
Dec 17:
SCN19-111:
Transfer of Responsibility of Fire Weather Forecast Zone 662 from WFO Seattle, WA to WFO Spokane, WA: Effective
March 3, 2020
Dec 17:
SCN19-110:
Implementing Improved Fire Weather Zone Coverage for WFO Midland/Odessa, TX: Effective
March 3, 2020
Dec 17:
SCN19-109:
Changes to Public Forecast Zones for WFO Chicago, IL: Effective
March 3, 2020
Dec 17:
SCN19-108:
Changes to Fire Weather Forecast Zones for WFO Elko, NV and WFO Reno, NV: Effective
March 3, 2020
Dec 17:
SCN19-107:
Renaming of Two Public Forecast Zones for WFO Hanford, CA: Effective
March 3, 2020
Dec 17:
SCN19-106:
Changes to Public Forecast Zones for WFO Honolulu, Hawaii: Effective
March 3, 2020
Dec 17:
SCN19-105:
Changes in Public and Fire Forecast Zones and Boundary Changes for NWS Gray, ME: Effective
March 3, 2020
Dec 17:
SCN19-104:
New Fire, Public and Marine Forecast Zones and Boundary Changes for NWS Caribou, ME: Effective
March 3, 2020
Dec 17:
SCN19-103:
Change to Public Forecast Zone-County Correlation File for Alaska Zone 125: Effective
March 3, 2020
Dec 16:
SCN19-102:
Initial Release of SPADES Distribution Services: Effective
December 16, 2019
Feb 14, 2020:
SCN19-101 Updated:
Implementation of Wireless Emergency Alerts (WEA) Changes for Flash Flood Warnings on or after
February 18, 2020
Dec 10:
SCN19-100:
Resumption of NTWC Communications Tests: Effective
January 14, 2019
Dec 10:
SCN19-98 Updated:
New Services and Updates to the NWS IDP GIS: Effective
December 17, 2019
Dec 2:
SCN19-99:
Alerting Partners that NDBC Weather Buoy #46015 Near Port Orford, Oregon was Damaged by a Passing Vessel on
November 16, 2019,
and is Inoperable
Dec 10:
SCN19-98 Updated:
New Services and Updates to the NWS IDP GIS: Effective
December 17, 2019
Nov 26:
SCN19-72 Updated:
Marine Forecasts Website will be Redirected on or around
December 31, 2019
Nov 22:
SCN19-97:
RDA/RPG Build 19.0 to Begin Beta Test on or around
April 15, 2020
Nov 19:
SCN19-96
: Addition of Snow Squall to SPC Mesoscale Discussions (CONUS Only): Effective on or about
December 16, 2019
Nov 21:
SCN19-95 Updated:
Changes to GOES Data at the Space Weather Prediction Center: Effective
December 9, 2019
Jan 24:
SCN19-94 Updated:
Addition of Risk Graphics for Individual Convective Threats in the Storm Prediction Center's Day 2 Outlook: Effective with the 1730 UTC Outlook on
January 30, 2020
Nov 13:
SCN19-93:
Temporary Implementation of Terminal Aerodrome Forecast (TAF) Service Related to Super Bowl: Effective
January 28, 2020
through February 4, 2020
Nov 12:
SCN19-69 Updated:
Adjusting Issuance Times for Oceanic Gridded Marine Offshore and High Seas Forecasts in NDFD: Effective on or about
December 10, 2019
Nov 12:
SCN19-83 Updated:
NWS Hazard Simplification Project: Implementation of Consolidation and Re-formatting of NWS Marine Products on
December 3, 2019
Jan 13, 2020
SCN19-92 Updated:
Processing the National Blend of Models (NBM) Mean Absolute Error (MAE) Files for the Oceanic Domain Changed to
January 14, 2020
Oct 31:
SCN19-91:
Termination of Legacy BUFR and GRIB1 MOS Products on or about
December 17, 2019
Oct 31:
SCN19-28 Updated:
Termination of the Gridded Model Output Statistics (GMOS/MOSGuide) on or about
December 17, 2019
Oct 28:
SCN19-90:
CPC will be Changing its Station-Based Precipitation and Temperature Analysis Timeseries Charts from Static Style to Dynamically Generated Graphics: Effective
February 21, 2020
Oct 28:
SCN19-89:
CPC to Update Station-Based Precipitation and Temperature Data Files and Tables on or about
January 31, 2020
Oct 24:
SCN19-88:
Legacy EMWIN Service Termination: Effective
December 2, 2019
Oct 22:
SCN19-87:
NWS WFO Dissemination of Blue Alerts Begins on or after
January 7, 2020
Oct 17:
SCN19-68 Updated:
Implementation of TAF Service for Minden-Tahoe Airport (KMEV) in Nevada has been
Delayed until Further Notice
Nov 12:
SCN19-83 Updated:
NWS Hazard Simplification Project: Implementation of Consolidation and Re-formatting of NWS Marine Products on
December 3, 2019
Oct 10:
SCN19-86:
Implementation of International Civil Aviation Organization Space Weather Advisory Products: Effective on or about
November 7, 2019
Oct 10:
SCN19-85:
Changes to Transmission Deadlines of Several WPC Medium-Range Products: Effective on or about
November 14, 2019
Oct 10:
SCN19-84:
Upgrade NCEP Global Forecast Systems to v15.2.0: Effective on or about
November 7, 2019
Sep 19:
SCN19-61 Updated:
Changes to LAMP Station-based and Gridded Guidance: Effective on or about
October 22, 2019
Nov 12:
SCN19-83 Updated:
NWS Hazard Simplification Project: Implementation of Consolidation and Re-formatting of NWS Marine Products on
December 3, 2019
Sep 18:
SCN19-82:
Change to TDWR SPG Product Dissemination on or around
November 19, 2019
Sep 18:
SCN19-81 Updated:
Graphical Turbulence Guidance Product: Effective
November 12, 2019
Jan 6, 2020:
SCN19-80 Updated:
Removal of Redbook Graphics, GIF Images, Fax Charts, AFOS Products and Bulletins: Effective
December 30, 2019
Sep 17:
SCN19-64 Updated:
Implementation of TAF Service for Hamilton Airport in Montana: Effective September 24, 2019 has been
Rescinded
until Further Notice
Sep 12:
SCN19-79:
Change to Real Time Data Monitoring System Website URL: Effective
September 12, 2019
Sep 11:
SCN19-78:
Transition Gate Forecast to Operational Status: Effective
October 10, 2019
Sep 10:
SCN19-77:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Cold Bay, AK on or about
September 29, 2019
Sep 10:
SCN19-57 Updated:
Changes to Public Forecast Zones for WFO Albuquerque, NM: Effective
October 10, 2019
Sep 10:
SCN19-56 Updated:
Changes to Fire Weather Forecast Zones for the Kittitas and Yakima Valleys of Washington and the Eastern Columbia River Gorge in Washington: Effective
October 10, 2019
Sep 10:
SCN19-55 Updated:
Changes in Public Forecast Zones for Southeast Montana and Northeast Wyoming: Effective
October 10, 2019
Sep 9:
SCN19-76:
SPG Build 10.0 to Begin Beta Test on or around
March 16, 2020
Sep 19:
SCN19-61 Updated:
Changes to LAMP Station-based and Gridded Guidance: Effective on or about
October 22, 2019
Sep 3:
SCN19-75:
Termination of ASOS Operations on Annette Island, AK (PANT) on or after
October 1, 2019
Aug 27:
SCN19-53 Updated:
Enterprise EMWIN Service Transition to Operations for GOES-East and GOES-West Satellite Broadcasts: Effective
August 29, 2019
Aug 27:
SCN16-55 Updated:
Postponed:
Implementation of Changes to the NWS Forecast Website on or about
July 10, 2019
Aug 26:
SCN19-62 Updated:
Upgrade of the MADIS Distribution Services: Effective Date:
September 4, 2019
Aug 21:
SCN19-74:
Earlier Release Time for SREF Ensemble Products: Effective
August 21, 2019
Aug 20:
SCN19-73:
NWS Alaska Pacific River Forecast Center will Discontinue Issuing Text Only River Forecast Products and Daily River Text Products: Effective
September 23, 2019
Nov 26:
SCN19-72 Updated:
Marine Forecasts Website will be Redirected on or around
December 31, 2019
Aug 14:
SCN19-71:
Operational Implementation of Graphical Forecasts for Aviation (GFA) for the Gulf of America, Caribbean Sea and Western North Atlantic Ocean: Effective
August 14, 2019
Aug 12:
SCN19-70 Updated:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Kotzebue, AK on or about
August 19, 2019
Nov 12:
SCN19-69 Updated:
Adjusting Issuance Times for Oceanic Gridded Marine Offshore and High Seas Forecasts in NDFD:
Effective on or about
December 10, 2019
Oct 17:
SCN19-68 Updated:
Implementation of TAF Service for Minden-Tahoe Airport (KMEV) in Nevada has been
Delayed until Further Notice
Jul 19:
SCN19-67:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Nome, AK on or after
August 12, 2019
Jul 16:
SCN19-66:
Replace S-NPP VIIRS NCC Imagery with NOAA-20 VIIRS NCC Imagery on SBN between
July 16, 2019 and August 20, 2019
Jul 16:
SCN19-65:
Discontinuation of Output from the NOS Lake Michigan Operational Forecast System and Lake Huron Operational Forecast System on NOAA nowCOAST Map Services:
Effective
July 23, 2019
Sep 17:
SCN19-64 Updated:
Implementation of TAF Service for Hamilton Airport in Montana: Effective September 24, 2019 has been
Rescinded
until Further Notice
Aug 27:
SCN19-53 Updated:
Enterprise EMWIN Service Transition to Operations for GOES-East and GOES-West Satellite Broadcasts: Effective
August 29, 2019
Jul 10:
SCN19-63 Updated:
NWS Hazard Simplification (Haz Simp) Project: Reinstatement of Lake Effect Snow Warning Product and Addition of "Impacts" Bullet: Effective
October 1, 2019
Aug 26:
SCN19-62 Updated:
Upgrade of the MADIS Distribution Services: Effective Date:
September 4, 2019
Sep 19:
SCN19-61 Updated:
Changes to LAMP Station-based and Gridded Guidance: Effective on or about
October 22, 2019
Jul 2:
SCN19-60:
Implementation of Impact-based Warnings for Flash Floods: Effective on or after
September 16, 2019
Jun 28:
SCN19-11 Updated:
Converting Legacy Ocean Prediction Center .shtml Webpages to .php Format: Effective
July 9, 2019
Jun 27:
SCN19-54 Updated:
NWS Hazard Simplification (Haz Simp) Project: Reformatting NWS Non-Precipitation Weather Hazard Products: Effective
September 24, 2019
Jun 26:
SCN19-59:
Replace S-NPP NUCAPS Soundings with NOAA-20 NUCAPS Soundings on Satellite Broadcast Network (SBN) on
July 2, 2019
Sep 10:
SCN19-58:
Changes to the Boundaries of Fire Weather Forecast Zones in Northeastern Wyoming and Western South Dakota: Effective
October 10, 2019
Sep 10:
SCN19-57 Updated:
Changes to Public Forecast Zones for WFO Albuquerque, NM: Effective
October 10, 2019
Sep 10:
SCN19-56 Updated:
Changes to Fire Weather Forecast Zones for the Kittitas and Yakima Valleys of Washington and the Eastern Columbia River Gorge in Washington: Effective
October 10, 2019
Sep 10:
SCN19-55 Updated:
Changes in Public Forecast Zones for Southeast Montana and Northeast Wyoming: Effective
October 10, 2019
Jun 27:
SCN19-54 Updated:
NWS Hazard Simplification (Haz Simp) Project: Reformatting NWS Non-Precipitation Weather Hazard Products: Effective
September 24, 2019
Aug 27:
SCN19-53 Updated:
Enterprise EMWIN Service Transition to Operations for GOES-East and GOES-West Satellite Broadcasts: Effective
August 29, 2019
Jun 25:
SCN19-52:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at McGrath, AK on or after
June 25, 2019
Jun 20:
SCN19-51:
Implementation of New Oceanographic Forecast Modeling Systems for the Cook Inlet and Lake Michigan and Lake Huron: Effective
July 23, 2019
Jun 19:
SCN19-50:
New Services and Updates to the NWS IDP GIS: Effective
June 24, 2019
Jun 13:
SCN19-49:
Changes to the Drought Information Statement (DGT) Text Product Issued by WFOs Under Local Drought Conditions: Effective on or around
September 1, 2019
Jun 11:
SCN19-48:
Modification to Support E-mail for Software Development Branch on or about
October 1, 2019
Jun 10:
SCN19-47:
Additional Point Locations Within the Global Wave Forecasting System: Effective
June 12, 2019
May 31:
SCN19-46:
NWS Alaska Pacific River Forecast Center will Discontinue Issuing its Text Hydrometeorological Discussion Product: Effective
July 1, 2019
May 22:
SCN19-45:
NOAA Profiler Network (NPN) Data Available on or around
July 15, 2019
May 17:
SCN19-44:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at King Salmon, AK on or after
May 17, 2019
Jun 11, 2020:
SCN19-43 Updated
: Implementation of NWS 360 Character English and Spanish Wireless Emergency Alerts (WEA) Messages on or after
June 17, 2020
, and Technical Reminder for Common Alerting Protocol (CAP) Users
May 16:
SCN19-42:
Upgrade of National Water Model: Effective
June 19, 2019
Jul 9:
SCN19-21 Updated:
Termination of Legacy METAR and TAF Bulletins Distributed by the Washington OPMET Databank will be Delayed until a
Date to be Determined
May 9:
SCN19-41:
Additions and Changes to the NAM Nest and HiResW: Effective
June 12, 2019
May 7:
SCN19-40:
Upgrade NCEP Global Forecast Systems (GFS) to V15.1: Effective
June 12, 2019
May 6:
SCN19-39:
Replacement of the Marine Fog Product with GFS Visibility Product: Effective
June 12, 2019
May 6:
SCN19-38:
HYSPLIT Model Update: Effective
June 12, 2019
May 6:
SCN19-37:
Implementation of TAF Service for West Yellowstone Airport (KWYS) in Montana: Effective
July 16, 2019
May 2:
SCN18-86 Updated:
NWS Upper Air Station in Boise, ID Transitioned to GPS Lockheed Martin LMS-6 403 MHz Radiosonde with the Lockheed Martin Groundstation (LMG) on
April 11, 2019
Apr 29:
SCN19-36:
Upgrade of WSA-Enlil Heliospheric Model and Downscaled Products: Effective
May 28, 2019
Apr 29:
SCN19-35:
Changes to Forecast Data Available on Web Relating to Data Endpoints on or about
June 24, 2019
Apr 25:
SCN19-34:
Discontinuation of the Peachtree City/Atlanta, GA Other Supplemental Observations Product: Effective
May 29, 2019
Apr 25:
SCN19-33:
Changes to NWS Dissemination Webpage URLs: Effective
October 31, 2019
Apr 23:
SCN19-32:
WSR-88D RDA/RPG Build 18.2 Beta Test to Begin on or around
June 11, 2019
Aug 3, 2020:
SCN19-31 Updated:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Anchorage, AK on or about
May 3, 2019
Apr 16:
SCN19-23 Updated:
Termination of the GEFS-based MOS Product (MEN) on or about
April 23, 2019
Jun 11, 2020:
SCN19-43 Updated
: Implementation of NWS 360 Character English and Spanish Wireless Emergency Alerts (WEA) Messages on or after
June 17, 2020
, and Technical Reminder for Common Alerting Protocol (CAP) Users
Apr 5:
SCN19-30:
GOES ABI Mode 6 Transition on
April 2, 2019
Apr 1:
SCN19-29:
Changes to the Post Tropical Cyclone Text Product Issued by WFOs Following Tropical Cyclones: Effective on or around
June 1, 2019
Oct 31:
SCN19-28 Updated:
Termination of the Gridded Model Output Statistics (GMOS/MOSGuide) on or about
December 17, 2019
Mar 26:
SCN19-27:
Discontinuation of OPeNDAP NetCDF Service at NOS/CO-OPS: Effective
May 31, 2019
Mar 22:
SCN18-89 Updated:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Barrow, AK on
February 12, 2019
Mar 22:
SCN19-26:
Temporary NWS NDBC Outages for Some C-MAN Stations Projected to Occur on or after
April 6, 2019
Mar 18:
SCN19-25:
Transition Lake Erie Harmful Algal Bloom Web Page to Operational Status: Effective
May 1, 2019
Mar 15:
SCN19-24:
Transition of Offshore Waters Forecasts for the East Pacific Ocean within 250 NM of Mexico, Central America, Columbia and Ecuador to Operational: Effective
April 16, 2019
Apr 16:
SCN19-23 Updated:
Termination of the GEFS-based MOS Product (MEN) on or about
April 23, 2019
Mar 14:
SCN19-22:
Honolulu High Seas Charts Coverage Area Change: Effective on or about
April 15, 2019
Jul 9:
SCN19-21 Updated:
Termination of Legacy METAR and TAF Bulletins Distributed by the Washington OPMET Databank Will be Delayed until a
Date to be Determined
Mar 12:
SCN19-20:
Degraded Functionality on the forecast.weather.gov Application for Users of Internet Explorer Versions 9 and 10 on or about
April 16, 2019
Mar 7:
SCN19-19:
Enhanced Group Calling (EGC) Messages via INMARSAT C to Provide Urgent Code 2 for All Weather Systems with Hurricane Force Winds: Effective
April 9, 2019
Mar 7:
SCN19-18:
Addition of Tropical Cyclone Storm Surge Watches and Warnings for Puerto Rico and the United States Virgin Islands: Effective on or around
June 1, 2019
Mar 6:
SCN19-17:
Termination of the NWS Pacific Region Web Service: Effective
May 30, 2019
Feb 27:
SCN19-16
: Modification of AWIPS PILs in WFO Guam's Product Suite: Effective
April 9, 2019
Feb 26:
SCN19-15:
WPC Experimental National Forecast Chart will Become Operational on
March 28, 2019
Feb 26:
SCN19-14:
Discontinuation of the Temperature and Precipitation Table Product for Alabama and Replace with Regional Temperature and Precipitation Table Product for Birmingham, AL: Effective
Thursday, March 28, 2019
Feb 26:
SCN19-13:
Termination of the NWS Hydrologic Information Center (HIC) Website: Effective
March 29, 2019
Feb 26:
SCN19-12:
GFS Version 15 Model Implementation Schedule is Paused until a
Date to be Determined
Jun 28:
SCN19-11 Updated:
Converting Legacy Ocean Prediction Center .shtml Webpages to .php Format: Effective
July 9, 2019
Feb 22:
SCN19-10:
Termination of Legacy OPC Website Address: Effective
July 9, 2019
Feb 22:
SCN19-09:
Operational Implementation of AWC Extended Traffic Flow Management (TFM) Convective Forecast (TCF): Effective
February 28, 2019
Feb 22:
SCN18-118 Updated:
Implementing Improved Public Zone Coverage for WFO Midland/Odessa, TX: Effective
April 2, 2019
Feb 21:
SCN18-117 Updated:
Changes in Fire and Public Zones for NWS Weather Forecast Office Jacksonville, FL: Effective
April 2, 2019
Feb 20:
SCN18-120 Updated:
Change in Fire Weather Forecast Zones and Boundaries for WFO Morristown, TN and WFO Nashville, TN: Effective
April 2, 2019
Feb 20:
SCN18-119 Updated:
Changes in Fire, Public and Marine Forecast Zones and Boundary Changes for WFO Newport/Morehead City, NC: Effective
April 2, 2019
Feb 22:
SCN18-118 Updated:
Implementing Improved Public Zone Coverage for WFO Midland/Odessa, TX: Effective
April 2, 2019
Feb 21:
SCN18-117 Updated:
Changes in Fire and Public Zones for NWS Weather Forecast Office Jacksonville, FL: Effective
April 2, 2019
Feb 20:
SCN18-116 Updated:
Changes in Public and Fire Weather Forecast Zones for Central California: Effective
April 2, 2019
Feb 20:
SCN18-115 Updated:
Changes to Public and Fire Forecast Zones for WFO Gaylord, MI: Effective
April 2, 2019
Feb 20:
SCN18-114 Updated:
New Fire and Public Forecast Zones and Boundary Changes for Lancaster County in North Central South Carolina: Effective
April 2, 2019
Feb 20:
SCN18-113 Updated:
Changes to Marine and Land Zones of Coastal Northwest California: Effective
April 2, 2019
Feb 19:
SCN18-93 Updated:
WPC will Assume NWS Operational Preparation and Dissemination Responsibility for the Days 3-7 Part of the U.S. Hazards Outlook on or about
February 21, 2019
Feb 19:
SCN19-08 Updated:
Termination of the SPC Watch Corner Points Message: Effective on or about
April 30, 2019
Feb 12:
SCN19-07:
Temporary Change of SBN/NOAAPort Transmission of National Blend of Models (NBM) Guidance: Effective
March 11-13, 2019
Feb 12:
SCN19-06:
Change in the Scheduled Issuance Time of the Day 1 WPC Excessive Rainfall Outlook: Effective
March 14, 2019
Feb 12:
SCN19-05:
NWS High Seas Forecasts will No Longer Use the Term PAN PAN: Effective
March 14, 2019
Feb 8:
SCN19-04:
Transition of GOES-17 to GOES-West
February 11-15, 2019
Feb 8:
SCN19-03:
GOES Advanced Baseline Imager ABI Mode 6 Tests in
February 2019
Jan 31:
SCN18-111 Updated:
Upgrade In-Flight Icing Forecast Icing Product: Effective
February 19, 2019
Jan 31:
SCN18-121 Updated:
Extending Forecast for Quantitative Precipitation Forecast, Ice Accumulation and Snow Accumulation Grids Across CONUS in the NDFD: Effective
February 5, 2019
Jan 30:
SCN19-02:
Implementation of Terminal Aerodrome Forecast (TAF) Service for KCOT, Cotulla-La Salle County Airport in Cotulla, TX: Effective
April 15, 2019
Jan 30:
SCN19-01:
Discontinuation of the Little Rock, AR Regional Weather Summary: Effective
February 28, 2019
Jan 29:
SCN18-100 Updated:
URLs for the NOAA NCEP Websites will be Redirected to HTTPS: Effective
February 4, 2019
Service Change Notices 2018
Jan 31, 2019:
SCN18-121 Updated:
Extending Forecast for Quantitative Precipitation Forecast, Ice Accumulation and Snow Accumulation Grids Across CONUS in the NDFD: Effective
February 5, 2019
Jan 29, 2019:
SCN18-100 Updated:
URLs for the NOAA NCEP Websites will be Redirected to HTTPS: Effective
February 4, 2019
Feb 20, 2019:
SCN18-115 Updated:
Changes to Public and Fire Forecast Zones for WFO Gaylord, MI: Effective
April 2, 2019
Feb 20, 2019:
SCN18-120 Updated:
Change in Fire Weather Forecast Zones and Boundaries for WFO Morristown, TN and WFO Nashville, TN: Effective
April 2, 2019
Feb 20, 2019:
SCN18-119 Updated:
Changes in Fire, Public and Marine Forecast Zones and Boundary Changes for WFO Newport/Morehead City, NC: Effective
April 2, 2019
Feb 22, 2019:
SCN18-118 Updated:
Implementing Improved Public Zone Coverage for WFO Midland/Odessa, TX: Effective
April 2, 2019
Feb 21, 2019:
SCN18-117 Updated:
Changes in Fire and Public Zones for NWS Weather Forecast Office Jacksonville, FL: Effective
April 2, 2019
Feb 20, 2019:
SCN18-116 Updated:
Changes in Public and Fire Weather Forecast Zones for Central California: Effective
April 2, 2019
Feb 20, 2019:
SCN18-115 Updated:
Changes to Public and Fire Forecast Zones for WFO Gaylord, MI: Effective
April 2, 2019
Feb 20, 2019:
SCN18-114 Updated:
New Fire and Public Forecast Zones and Boundary Changes for Lancaster County in North Central South Carolina: Effective
April 2, 2019
Feb 20, 2019:
SCN18-113 Updated:
Changes to Marine and Land Zones of Coastal Northwest California: Effective
April 2, 2019
Dec 14:
SCN18-80 Updated
: Termination of County-based Flash Flood Guidance (FFG) at All Locations:
Effective
March 31, 2019
Dec 14:
SCN18-112:
WSR-88D VCP 35 to be Modified at 10 Radars on or around
January 23, 2019
Jan 31, 2019:
SCN18-111 Updated:
Upgrade In-Flight Icing Forecast Icing Product: Effective
February 19, 2019
Jan 29, 2019:
SCN18-100 Updated:
URLs for the NOAA NCEP Websites will be Redirected to HTTPS: Effective
February 4, 2019
Dec 4:
SCN18-110:
Temporary Suspension of TAF Service for McAlester Regional Airport (KMLC) in Oklahoma: Effective
December 4, 2018 until Further Notice
Nov 28:
SCN18-78 Updated:
Correction of the GRIB2 Encoding of the Probability of Thunder in the Experimental National Blend of Models Guidance (NBM): Effective
December 5, 2018,
and the Request for Comments
Nov 28:
SCN18-109:
Implementation of TAF Service for Phoenix Deer Valley Airport (KDVT) in Arizona: Effective
March 6, 2019
Nov 28:
SCN18-108 Updated:
Implementation of TAF Service for KMVN, Mount Vernon, IL: Effective
February 13, 2019
Nov 21:
SCN18-107:
Modification of the WMO Header for Alaska Region TAF Products: Effective
February 4, 2019
Jan 29, 2019:
SCN18-100 Updated:
URLs for the NOAA NCEP Websites will be Redirected to HTTPS: Effective
February 4, 2019
Nov 20:
SCN18-96 Updated:
RTMA/URMA/RTMA-RU Upgrade Implementation Start Time Changed to the 1200z Cycle on
December 4, 2018
Nov 19:
SCN18-106:
Changes to GOES-17 Imagery on the Satellite Broadcast Network (SBN or NOAAPort) Leading to the GOES-West Transition: Effective
November 15, 2018
Nov 16:
SCN18-105:
Discontinuation of Great Lakes Online (GLOL) Great Lake Observation Product at NOS/CO-OPS: Effective
December 4, 2018
Nov 16:
SCN18-104:
Air Quality Prediction Update: Effective
December 18, 2018
Nov 15:
SCN18-103:
Upgrade of NOAA nowCOAST GIS Web Mapping Portal: Effective on or about
November 19, 2018
Nov 15:
SCN18-102 Updated:
Discontinuation of NWS High Seas and Storm Warnings over NIST Time Frequency Broadcasts: Effective
January 31, 2019
Nov 15:
SCN18-101:
NDBC Removing Files from TGFTP Service: Effective
November 20, 2018
Jan 29, 2019:
SCN18-100 Updated:
URLs for the NOAA NCEP Websites will be Redirected to HTTPS: Effective
February 4, 2019
Nov 9:
SCN18-99:
Transition Long Range River Flood Risk Outlook (LRO) to Operational Status: Effective
December 10, 2018
Nov 5:
SCN18-95
Updated:
Upgrade Multi-Radar, Multi-Sensor Application: Effective
November 7, 2018
Nov 1:
SCN18-98:
Transition NWS Extreme Precipitation Monitor (EPM) to Operational Status: Effective
December 1, 2018
Oct 29:
SCN18-97 Updated:
Change to Water Level Datum Displayed on the Advanced Hydrologic Prediction Service (AHPS) Webpage
Postponed until Further Notice
Oct 25:
SCN18-90 Updated:
Polygon-based Snow Squall Warnings and Polygon-based Dust Storm Warnings and Dust Advisories Transition to Operational Status on or about
November 1, 2018
Oct 23:
SCN18-91 Updated:
Modification of AWIPS PILs in WFO Guam's Product Suite: Effective on
Date to be Determined
Nov 20:
SCN18-96 Updated:
RTMA/URMA/RTMA-RU Upgrade Implementation Start Time Changed to the 1200z Cycle on
December 4, 2018
Nov 5:
SCN18-95
Updated:
Upgrade Multi-Radar, Multi-Sensor Application: Effective
November 7, 2018
Oct 3:
SCN18-94:
Changes to Valid Time Event Codes (VTEC) and Event Tracking Numbers (ETN) for Domestic Tsunami Test Products: Effective
April 1, 2019
Dec 14:
SCN18-80 Updated
: Termination of County-based Flash Flood Guidance (FFG) at All Locations:
Effective
March 31, 2019
Feb 19, 2019:
SCN18-93 Updated:
WPC will Assume NWS Operational Preparation and Dissemination Responsibility for the Days 3-7 Part of the U.S. Hazards Outlook on or about
February 21, 2019
Sep 26:
SCN18-92:
Soliciting Comments until
November 4, 2018
on Ending Dissemination of Redbook Graphic Images as Part of the NWS Operational Delivery of the CPC Days 3-14 U.S. Hazards Outlook on
November 6, 2018
Oct 23:
SCN18-91 Updated:
Modification of AWIPS PILs in WFO Guam's Product Suite: Effective on
Date to be Determined
Oct 25:
CN18-90 Updated:
Polygon-based Snow Squall Warnings and Polygon-based Dust Storm Warnings and Dust Advisories Transition to Operational Status on or about
November 1, 2018
Sep 21:
SCN18-36 Updated:
Probabilistic Tropical Cyclone Storm Surge (P-Surge) Update to NDGD NWS Web Service: Effective
October 23, 2018
Mar 22, 2019:
SCN18-89 Updated:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Barrow, AK on
February 12, 2019
Sep 11:
SCN18-88:
Upgrade of NOAA nowCOAST GIS Web Mapping Portal: Effective
Late September 2018
Sep 10:
SCN18-70 Updated:
NWS Upper Air Station in Koror, Palau to Use GPS Lockheed Martin LMS-6 403 MHz Radiosonde with the Lockheed Martin Groundstation (LMG) Starting on or about
August 11, 2018
Sep 10:
SCN18-76
Updated:
Changes to Ensemble Kernel Density Model Output Statistics (EKDMOS): Effective
October 3, 2018
Sep 10:
SCN18-77 Updated:
Changes to the Global Forecast System (GFS)-based Model Output Statistics (MOS) Guidance: Effective on or about
October 3, 2018
Aug 31:
SCN18-87:
Testing of GOES-17 Advanced Baseline Imager (ABI) Mode 6 Imagery on the Satellite Broadcast Network (SBN or NOAAPort): Effective
September 10-21, 2018
May 2, 2019:
SCN18-86 Updated:
NWS Upper Air Station in Boise, ID Transitioned to GPS Lockheed Martin LMS-6 403 MHz Radiosonde with the Lockheed Martin Groundstation (LMG) on
April 11, 2019
Aug 24:
SCN18-85:
Addition of GOES-17 Imagery to the Satellite Broadcast Network: Effective
August 28, 2018
Aug 23:
SCN17-77 Updated:
NWS Hazard Simplification Project: Lake Effect Snow Warning Consolidation Expanded Nationwide: Effective
October 15, 2018
Aug 20:
SCN18-67 Updated:
Changes to the Radiofacsimile Broadcast Schedules from the Boston, MA; Pt. Reyes, CA and Kodiak, AK: Effective
September 19, 2018
Aug 16:
SCN18-84:
Corrections to Gridded Binary Version 2 (GRIB2) Encoding Parameters for National Digital Forecast Database (NDFD) Products: Effective
October 30, 2018
Aug 16:
SCN18-83:
Availability of Standard Hydrometeorological Exchange Format (SHEF) for NOS Water Level Data Relative to Mean Higher High Water (MHHW): Effective
Immediately
Aug 16:
SCN18-82:
WSR-88D Low Elevation Angle to be Implemented at KBUF, Buffalo, NY on or around
October 9, 2018
Aug 13:
SCN18-81:
Mixed-case Messaging for 6 to 10 day, 8 to 14 Day, and U.S. Hazards Outlooks: Effective
October 24, 2018
Aug 13:
SCN18-79 Updated: CANCELED:
Modification of AWIPS PILs in WFO Guam's Product Suite
September 11, 2018
Dec 14:
SCN18-80 Updated:
Termination of County-based Flash Flood Guidance (FFG) at All Locations:
Effective
March 31, 2019
Nov 28:
SCN18-78 Updated:
Correction of the GRIB2 Encoding of the Probability of Thunder in the Experimental National Blend of Models Guidance (NBM): Effective
December 5, 2018
and the Request for Comments
Sep 10:
SCN18-77 Updated:
Changes to the Global Forecast System (GFS)-based Model Output Statistics (MOS) Guidance: Effective on or about
October 3, 2018
Sep 10:
SCN18-76
Updated:
Changes to Ensemble Kernel Density Model Output Statistics (EKDMOS): Effective
October 3, 2018
Aug 6:
SCN18-75:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Bethel, AK: Effective on or about
September 15, 2018
Aug 2:
SCN18-71 Updated:
Change in the METAR Code for the United States Regarding Hail Reporting: Effective
September 13, 2018
Aug 2:
SCN18-74:
Transition NDFD 3 km Alaska Region (AR) Gridded Forecasts to Operational Status: Effective
August 30, 2018
Jul 23:
SCN18-72 Updated: URGENT:
Possible Radiosonde Data Interruptions at Hilo and Lihue, HI: Effective on
July 24-25, 2018
Jul 23:
SCN18-73:
Service Transfer of Lawrence and Randolph Counties, AR to the Little Rock, AR NWS Weather Forecast Office: Effective
October 2, 2018
Aug 2:
SCN18-71 Updated:
Change in the METAR Code for the United States Regarding Hail Reporting: Effective
September 13, 2018
Sep 10:
SCN18-70 Updated:
NWS Upper Air Station in Koror, Palau to Use GPS Lockheed Martin LMS-6 403 MHz Radiosonde with the Lockheed Martin Groundstation (LMG) Starting on or about
August 11, 2018
Jul 5:
SCN18-69:
Add Jason-3 Satellite Marine Altimetry Products to the Satellite Broadcast Network (SBN or NOAAPort): Effective
July 17, 2018
Jul 2:
SCN18-68:
Termination of Aviation Weather Observations from WSO Koror, Republic of Palau: Effective
July 31, 2018
Jun 20:
SCN18-51 Updated:
Climatology Calibrated Precipitation Analysis (CCPA) Changes: Effective
July 18, 2018
Jun 20:
SCN18-50 Updated:
Upgrade of GEFS/NAEFS Bias-Corrected and Downscaled Products: Effective
July 18, 2018
Aug 20:
SCN18-67 Updated:
Changes to the Radiofacsimile Broadcast Schedules from the Boston, MA; Pt. Reyes, CA and Kodiak, AK: Effective
September 19, 2018
Jun 18:
SCN18-66:
Transition of NOAAPort Geostationary Operational Environmental Satellite-16 (GOES-16) Imagery to Fixed Grid: Effective
June 19, 2018
Jun 18:
SCN18-65:
Upgrading National Ocean Service (NOS) Operational Forecast Systems for the Great Lakes: Effective
July 16, 2018
Jun 18:
SCN18-64:
Transfer of Open Lake Forecast and Open Lake Watches, Warnings and Advisory Responsibility for Lake Michigan from WFO Chicago, IL to WFO Milwaukee, WI: Effective
September 5, 2018
Jun 18:
SCN18-45 Updated:
WSR-88D Low Elevation Angle Field Test to Begin on or around
September 17, 2018,
at Medford, OR and San Francisco, CA
Jun 15:
SCN18-53 Updated:
Changes to Ensemble Kernel Density MOS (EKDMOS): Effective
July 18, 2018
Jun 15:
SCN18-63:
Use of Mixed-Case Text/95 ASCII Character Set in Selected NWS Weather Prediction Center Forecast Discussion Products: Effective
July 24, 2018
Jun 8:
SCN18-62:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at St. Paul, AK: Effective on or about
July 1, 2018
Jun 8:
SCN18-61:
Minor Adjustment to Storm Prediction Center (SPC) Watch Hazard Probabilities Product: Effective
July 18, 2018
Jun 8:
SCN18-60:
Upgrade Hurricane Weather and Research Forecast (HWRF) Model: Effective
July 9, 2018
Jun 8:
SCN18-59:
Upgrade the Hurricanes in a Multi-scale Ocean-coupled Non-hydrostatic (HMON) Model: Effective
July 9, 2018
May 31:
SCN18-58:
Upgrade to the RAP and HRRR Analysis and Forecast System: Effective
July 11, 2018
May 31:
SCN18-57:
Additions and Changes to the BUFR Station Lists for the NAM, GFS, RAP, HRRR, SREF and Hi-Res W: Effective
July 11, 2018
May 30:
SCN18-56:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Yakutat, AK: Effective on or about
June 10, 2018
Jun 15:
SCN18-53 Updated:
Changes to Ensemble Kernel Density MOS (EKDMOS): Effective
July 18, 2018
May 28:
SCN18-55:
Change of Heat Advisory Thresholds Across Upstate New York and Northern New England: Effective
June 1, 2018
May 24:
SCN18-54:
Discontinuation of the Precipitation Forecast (AGF) for Hawaii: Effective
June 25, 2018
May 17:
SCN18-49 Updated:
Discontinuation of Several NWS NCO Websites and Relocation of Others: Effective
June 18, 2018
Jun 15:
SCN18-53 Updated:
Changes to Ensemble Kernel Density MOS (EKDMOS): Effective
July 18, 2018
May 17:
SCN18-52:
Changes to the Radiofacsimile Broadcast Schedules from Boston, MA; Pt. Reyes, CA and Kodiak, AK: Effective
September 4, 2018
Jun 20:
SCN18-51 Updated:
Climatology Calibrated Precipitation Analysis (CCPA) Changes: Effective
July 18, 2018
Jun 20:
SCN18-50 Updated:
Upgrade of GEFS/NAEFS Bias-corrected and Downscaled Products: Effective
July 18, 2018
May 16:
SCN18-19 Updated:
Format for the Reconnaissance Vortex Data Message Changing on or around
June 1, 2018
May 17:
SCN18-49 Updated:
Discontinuation of Several NWS NCO Websites and Relocation of Others: Effective
June 18, 2018
May 10:
SCN18-47 Updated:
Consolidate WPC Quantitative Precipitation Discussion and Excessive Rainfall Discussion: Effective
June 5, 2018
May 1:
SCN18-48:
Public County Shapefile Renaming for WFO Newport/Morehead City, NC: Effective
July 10, 2018
May 10:
SCN18-47 Updated:
Consolidate WPC Quantitative Precipitation Discussion and Excessive Rainfall Discussion: Effective
June 5, 2018
Apr 27:
SCN18-46:
Use of Above Ground Level in the Coastal Hazard Message: Effective on or around
May 31, 2018
Jun 18:
SCN18-45 Updated:
WSR-88D Low Elevation Angle Field Test to Begin on or around
September 17, 2018,
at Medford, OR and San Francisco, CA
Apr 24:
SCN18-44:
CPHC will Discontinue National Tropical Cyclone Watch/Warning Products (TCV): Effective on or about
June 1, 2018
Apr 24:
SCN18-43:
Changes to City Name for Barrow, AK: Effective for NWS Products and Services on or about
August 15, 2018
Apr 20:
SCN18-42:
Approval of Service Description Document Describing NWS Impact-based Decision Support Services: Effective
April 20, 2018
Apr 17:
SCN18-41
: Changes to Public Forecast Zones for WFO Pocatello, ID: Effective
July 10, 2018
May 16:
SCN18-19 Updated:
Format for the Reconnaissance Vortex Data Message Changing on or around
June 1, 2018
Apr 13:
SCN18-40:
The Tropical Cyclone Marine Danger Graphic from the CPHC will Match the NHC Danger Graphic: Effective on or about
June 1, 2018
Apr 13:
SCN18-13 Updated:
Implementing Improved Public and Fire Zone Coverage for WFO Brownsville/Rio Grande Valley, TX: Effective
May 1, 2018
Apr 13:
SCN17-126 Updated:
Implementing Improved Public and Fire Zone Coverage for the Coastal Counties Along the Middle Texas Coast: Effective
May 1, 2018
Apr 13:
SCN18-12 Updated:
Changes in Fire and Public Zones for WFO Melbourne, FL: Effective
May 1, 2018
Apr 11:
SCN18-39:
Arrival of Tropical-Storm-Force Winds Graphics Becomes Operational on or around
May 15, 2018
Apr 11:
SCN18-38
: WFOs to be Allowed to Issue Coastal Hazard Message, Special Weather Statements and Surf Zone Forecast Products during Tropical Cyclone Events: Effective on or about
May 31, 2018
Apr 10:
SCN18-37:
Changes to the Boundaries of Fire Weather Forecast Zones in Western Wyoming: Effective
June 25, 2018
Sep 21:
SCN18-36 Updated:
Probabilistic Tropical Cyclone Storm Surge (P-Surge) Update to NDGD NWS Web Service: Effective
October 23, 2018
Apr 10:
SCN17-35 Updated:
Changes to Access, Planned Termination of Common Alerting Protocol Version 1.1 and Operational Implementation of Common Alerting Protocol Version 1.2 no sooner than
July 1, 2018
Apr 6
SCN18-12 Updated:
Changes in Fire and Public Zones for WFO Melbourne, FL: Effective
May 1, 2018
Apr 4:
SCN18-35:
New TAF Service for Hattiesburg/Laurel Regional Airport (KPIB) in Moselle, MS: Effective
July 19, 2018
Apr 3:
SCN18-31 Updated:
Inclusion of Minor Additions to SPC Convective Outlook Text Products: Effective
April 26, 2018
Apr 2:
SCN18-34
: Use of Mixed-case Text/95 ASCII Character Set in Selected WPC Forecast Discussion Products: Effective
May 2, 2018
Apr 2:
SCN18-33:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Annette, AK: Effective on or about
May 1, 2018
Mar 29:
SCN18-32:
Changes to Southeast Alaska Climate Products: Effective on or about
May 1, 2018
Mar 27:
SCN17-122 Updated:
Changes in Fire and Public Zones for NWS Weather Forecast Office Jacksonville, FL, St. Johns and Flagler Counties: Effective
May 1, 2018
Apr 3:
SCN18-31 Updated:
Inclusion of Minor Additions to SPC Convective Outlook Text Products: Effective
April 26, 2018
Mar 27:
SCN18-22 Updated:
Experimental Grids for the 0.25 Inch (~6 mm) Threshold of the Day 4-7 Winter Weather Outlook Will Become an Operational Element in the NDFD for the CONUS: Effective on or about
April 3, 2018
Mar 23:
SCN18-30:
WSR-88D Mid-Volume Rescan of Low-Level Elevations Field Test to Begin on or around
May 14, 2018
Mar 20:
SCN17-101 Updated:
Changes to LAMP Station-based and Gridded Guidance: Effective
January 25, 2018
Mar 15:
SCN18-29 Updated:
Mixed-case Messaging for Seasonal Hurricane Outlook in AWIPS in
Late May 2018
Mar 9:
SCN18-28:
Ending TAFs at the Gage, OK, (KGAG) and Hobart, OK, (KHBR) Airports: Effective
March 21, 2018
Mar 9:
SCN18-27
Implementation of TAF Service for Modesto (KMOD) and McClellan (KMCC), CA: Effective
May 31, 2018
Mar 9:
SCN18-26:
Four NWS WFOs will Stop Issuing Local Tropical Cyclone Forecast Products: Effective on or about
June 1, 2018
Mar 9:
SCN18-25:
Four NWS WFOs will Begin Issuing Tropical Cyclone Forecast Products: Effective on or about
June 1, 2018
Mar 8:
SCN18-24:
Transition of Manual Radiosonde Observations to Automated Radiosonde Observations at Fairbanks, AK, WMO # 70261: Effective on or about
April 1, 2018
Mar 6:
SCN18-23:
Discontinuation of the MRX Tennessee Basin Lake Stages and Forecasts: Effective
April 6, 2018
Feb 27:
SCN17-114 Updated
: Resumption of Overnight Mesoscale Precipitation and Model Diagnostics Products During the Warm Season from WPC: Effective
March 12, 2018
Mar 27:
SCN18-22 Updated:
Experimental Grids for the 0.25 Inch (~6 mm) Threshold of the Day 4-7 Winter Weather Outlook will Become an Operational Element in the NDFD for the CONUS: Effective on or about
April 3, 2018
Feb 23:
SCN18-21:
Transition of Experimental WPC Day 4-7 Web-based Winter Weather Outlook to Operational Status on or about
March 27, 2018
Feb 23:
SCN18-20:
NHC and CPHC to Begin Issuing 48-hour 64-knot Wind Radii Forecasts: Effective on or around
May 15, 2018
May 16:
SCN18-19 Updated:
Format for the Reconnaissance Vortex Data Message Changing on or around
June 1, 2018
Feb 23:
SCN18-18:
Changes to Tropical Cyclone Public Advisory Products Beginning on or around
May 15, 2018
Feb 12:
SCN18-17:
Add GOES-East Level 2 Derived Products to the SBN or NOAAPort: Effective
February 28, 2018
Feb 6:
SCN18-16:
Upgrade of National Water Model: Effective
March 6, 2018
Feb 2:
SCN18-15:
Changes in Fire and Public Zones for NWS WFO Houston, TX: Effective
May 1, 2018
Feb 2:
SCN18-14:
Changes in Fire and Public Zones for WFO Amarillo, TX: Effective
May 1, 2018
Apr 13:
SCN18-13 Updated:
Implementing Improved Public and Fire Zone Coverage for WFO Brownsville/Rio Grande Valley, TX: Effective
May 1, 2018
Apr 13:
SCN18-12 Updated:
Changes in Fire and Public Zones for WFO Melbourne, FL: Effective
May 1, 2018
Feb 1:
SCN18-11:
Implementation of TAF Service for Battle Mountain Airport (KBAM) in Nevada: Effective
April 24, 2018
Feb 1:
SCN18-10:
NWS West Gulf RFC will Discontinue Issuing its Text Hydrometeorological Discussion Product: Effective
March 1, 2018
Jan 26:
SCN18-09:
Termination of the National Convective Weather Diagnostic and Forecast Product on
March 31, 2018
Jan 26:
SCN17-117 Updated:
Transition to Operational Status of Offshore and High Seas Gridded Forecasts from the NHC TAFB and the Offshore Gridded Forecasts from the OPC in the Atlantic Basin: Effective
February 6, 2018
Jan 25:
SCN18-08:
Termination of Ensemble Kernel Density MOS (EKDMOS) Dissemination over the SBN: Effective
April 12, 2018
Jan 24:
SCN17-105 Updated:
RTMA, URMA and NAM DNG Upgrade and Introduction of RTMA with Rapid Updates: Effective
February 7, 2018
Jan 24:
SCN18-07:
Use of Mixed-case Text/95 ASCII Character Set and Removal of Coded Isohyet Points in the Quantitative Precipitation Forecast Discussion: Effective
February 26, 2018
Jan 19:
SCN17-112 Updated:
Polygon-based Snow Squall Warnings to Begin on or about
January 31, 2018
for Select Offices and Polygon-based Dust Storm Warnings and Dust Advisory Product Operational Demonstration at Select WFOs on or about
June 20, 2018
Jan 18:
SCN18-06:
Changes to the Surface Analyses and Surface Forecast Charts Produced by the OPC, TAFB and WFO Honolulu, HI and Addition of 72-hour Surface and Wind/Wave Forecast Charts by OPC: Effective
March 7, 2018
Jan 12:
SCN17-111 Final Update:
Change in Satellite Broadcast Network (SBN): Effective from
December 5, 2017, to January 16, 2018
Jan 12:
SCN18-05:
Implementation of New Extratropical Surge and Tide Operational Forecast System for Micronesia: Effective
February 13, 2018
Jan 12:
SCN18-04:
Correction to Global Forecast System (GFS) Model Station Time Series in the Binary Universal Form for Representation of Meteorological Data (BUFR) Output: Effective
January 10, 2018
Jan 5:
SCN18-03:
Implementation of Temporary TAF Service for Minnesota Sites: Effective
February 1-6, 2018
Jan 4:
SCN18-02:
Implementation of TAF Service for Yampa Valley Regional Airport (KHDN) in Hayden, CO: Effective:
March 21, 2018
Jan 4:
SCN17-125 Updated:
Updating National Ocean Service's Oceanographic Forecast Modeling Systems: Effective
January 10, 2018
Jan 3:
SCN17-137 Updated:
Assimilation of GOES-16 AMV Data into GDAS/GFS: Effective
January 5, 2018
Jan 2:
SCN18-01:
Addition of ESTOFS Atlantic SHEF: Effective
January 31, 2018
Jan 2:
SCN17-84 Updated:
The Nearshore Wave Prediction System (NWPS) Upgrade v1.2 will be Provided over the SBN and NOAAPort on or about
January 17, 2018
2017 Service Change Notices
Jan 3, 2018:
SCN17-137 Updated:
Assimilation of GOES-16 AMV Data Into GDAS/GFS: Effective
January 5, 2018
Dec 21:
SCN17-46 Updated:
Delayed Implementation of Impact-based Warnings (IBW) at NWS Alaska Region Offices until
February 21, 2018
Dec 21:
SCN17-136:
Reduction in Content of the Tropical Weather Discussion Issued by the TAFB: Effective
January 21, 2018
Dec 21:
SCN17-135:
Add GOES-16 Level 2 Derived Products to the SBN or NOAAPort: Effective
January 17, 2018
Dec 14:
SCN17-134
: Supplemental Low Elevation Angle Implemented due to Urgent Mission Needs at KMUX WSR-88D San Francisco, CA on or about
December 26, 2017
Dec 14:
SCN17-133:
Changes to SBN or NOAAPort Products Associated with GOES East Transition: Effective
December 14, 2017 through
January 3, 2018
Dec 14
SCN17-132:
Use of Mixed-case Text/95 ASCII Character Set in Selected NWS Weather Prediction Center Products: Effective
January 23, 2018
Dec 13:
SCN17-131:
Discontinuation of the Albuquerque, NM Regional Weather Summary: Effective
January 11, 2018
Dec 13:
SCN17-130 Updated:
Changes to NAM-based MOS Guidance: Effective on or about
January 23, 2018
Dec 4:
SCN17-129:
Upgrade to the Global Wave Forecasting System Multi_1: Effective
January 9, 2018
Dec 4:
SCN17-128:
Discontinue the Use of Instagram at NWS Local Forecast Offices: Effective
January 4, 2018
Dec 4:
SCN17-127:
Changes to GOES/ASOS Cloud Product on SBN or NOAAPort: Effective
January 2, 2018
Apr 13, 2018:
SCN17-126 Updated:
Implementing Improved Public and Fire Zone Coverage for the Coastal Counties Along the Middle Texas Coast: Effective
May 1, 2018
Jan 4, 2018:
SCN17-125 Updated:
Updating National Ocean Service's Oceanographic Forecast Modeling Systems: Effective
January 10, 2018
Nov 30:
SCN17-124: Effective Immediately,
National Data Buoy Center Coastal-Marine Automated Network (C-MAN) Station TTIW1 on Tatoosh Island, WA, has been Disestablished
Nov 29:
SCN17-123:
Termination of Earthquake Report Messages: Effective on
January 2, 2018
Mar 27, 2018:
SCN17-122 Updated:
Changes in Fire and Public Zones for NWS Weather Forecast Office Jacksonville, FL, St. Johns and Flagler Counties: Effective
May 1, 2018
Nov 27:
SCN17-121:
Implementing Enhanced Gulf of America Harmful Algal Bloom Bulletins and Conditions Reports: Effective
December 11, 2017
Nov 22:
SCN17-120:
GOES-14 Emergency Managers Weather Information Network Broadcast Available on or before
December 11, 2017
Nov 21:
SCN17-119:
Discontinuing Experimental Text Products Used in the Creation of the Tampa Bay Marine Channels Forecast: Effective
December 27, 2017
Nov 20:
SCN17-118:
WSR-88D RDA/RPG Build 18.0 Beta Test Scheduled to Begin
January 2018
Jan 26, 2018:
SCN17-117 Updated:
Transition to Operational Status of Offshore and High Seas Gridded Forecasts from the NHC TAFB and the Offshore Gridded Forecasts from the OPC in the Atlantic Basin: Effective
February 6, 2018
Nov 8:
SCN17-116:
Use of Mixed-case Text/95 ASCII Character Set in Selected Marine Text Products: Effective
December 12, 2017
Nov 7:
SCN16-57 Updated:
Implementation of Mixed-case Text/95 ASCII Character Set in Preliminary Local Storm Reports (LSR) Delayed
Until Further Notice
Dec 6:
SCN17-115 Updated:
Discontinuation of Several NWS Southern Region Websites: Effective
December 5, 2017
Feb 27, 2018:
SCN17-114 Updated
: Resumption of Overnight Mesoscale Precipitation and Model Diagnostics Products during the Warm Season from WPC: Effective
March 12, 2018
Oct 31:
SCN17-113:
Temporary Weather Radar Service Change for San Juan, PR: Effective
October 30, 2017
Dec 19:
SCN17-112 Updated:
Polygon-based Snow Squall Warnings, and Polygon-based Dust Storm Warnings and Dust Advisory Product Operational Demonstration to Begin on or about
January 16, 2018
at Select WFOs
Jan 12, 2018:
SCN17-111 Final Update:
Change in Satellite Broadcast Network (SBN): Effective from
December 5, 2017 to January 16, 2018
Oct 19:
SCN17-110:
Update on Changes to Access, Planned Termination of Common Alerting Protocol Version 1.1, and Operational Implementation of Common Alerting Protocol Version 1.2: Effective on or after
March 1, 2018
Oct 12:
SCN17-109:
Degraded HFFAX Transmissions: Effective
Immediately
Dec 4:
SCN17-108 Updated:
Implementation of New Oceanographic Forecast Modeling System for the Gulf of Maine: Effective
January 3, 2018
Oct 6:
SCN17-107:
Extending the Terminal Aerodrome Forecast (TAF) Validity Period at 11 Airports from 24 Hours to 30 Hours: Effective
December 4, 2017
Sep 22:
SCN17-106:
Upgrade to High Resolution Ensemble Forecast (HREF) and High-Resolution Window (HIRESW): Effective
November 1, 2017
Jan 24, 2018:
SCN17-105 Updated:
RTMA, URMA and NAM DNG Upgrade and Introduction of RTMA with Rapid Updates: Effective
February 7, 2018
Sep 19:
SCN17-104
: Global Ensemble Forecast System (GEFS) SST Replacement: Effective
September 26, 2017
Sep 19:
SCN17-103:
Additional Issuance of WPC Probabilistic Winter Precipitation Forecast Guidance: Effective
October 25, 2017
Sep 19:
SCN17-102:
New Fire and Public Forecast Zones and Boundary Changes for Horry County in Northeast South Carolina: Effective
December 5, 2017
Mar 20:
SCN17-101 Updated:
Changes to LAMP Station-based and Gridded Guidance: Effective
January 25, 2018
Sep 13:
SCN17-100:
Changes to the WPC Excessive Rainfall Outlook: Effective
October 13, 2017
Sep 5:
SCN17-99:
Changes to 500mb Forecasts Provided by the Ocean Prediction Center and Ceasing Production of a Small Suite of Products: Effective
November 13, 2017
Sep 1:
SCN17-98:
Termination of Common Alerting Protocol Version 1.1 CAP (v1.1) to be no sooner than
November 1, 2017
Aug 31:
SCN17-97:
Change to Radiosonde Observations (RAOB) at Kodiak, AK, WMO# 70350: Effective on or about
October 1, 2017
Aug 29:
SCN17-96:
Discontinuation of Tides On Line (TOL) Coastal Observation Product at NOS/CO-OPS: Effective
October 16, 2017
Aug 18:
SCN17-95:
NWS Test of Alternately-Mapped GOES-16 Imagery: Effective
September 6, 2017
Aug 18:
SCN17-94:
Update NWM Processing of Streamflow Observations: Effective
August 22, 2017
Sep 18:
SCN17-93 Updated:
Removal of the Real Time Global 0.5 Degree SST: Effective
October 2, 2017
Aug 8:
SCN17-92:
Implementing Improved Marine Zone Coverage for Coastal Waters Along the Florida Panhandle: Effective
December 5, 2017
Jul 28:
SCN17-91:
EMWIN GOES-East Satellite Broadcast Signal and File Format Changes: Effective
November 2017
Jul 27:
SCN17-90:
Impact-based Warnings (IBW) to Become Operational at NWS Pacific Region Offices: Effective
October 2, 2017
Jul 25:
SCN17-89:
Termination of CONUS Aviation Area Forecast: Effective
October 10, 2017
Dec 5:
SCN17-88 Updated
: Decommissioning of the Centralized Automated Data Acquisition System: Effective
March 30, 2018
Jul 11:
SCN17-87:
Operational Implementation of Aviation Surface Forecast and Aviation Cloud Forecast Graphics: Effective
July 10, 2017
Jul 10:
SCN17-86:
Sea Surface Temperature Change to the RAP and HRRR: Effective
July 12, 2017
Jul 10:
SCN17-85:
Change in Format of Climate Prediction Center, Extended Range (6-10 Day and 8-14 Day) Outlooks: Effective
August 1, 2017
Nov 27:
SCN17-84 Updated:
The Nearshore Wave Prediction System (NWPS) Upgrade v1.2 will be Provided over the SBN and NOAAPort on or about
January 10, 2018
Jul 31:
SCN17-83 Updated:
Implementation of the New Hurricanes in a Multi-scale Ocean-coupled Non-hydrostatic (HMON) Model Version 1.0.0: Effective
August 15, 2017
, and Request for Comments
Jun 29:
SCN17-82:
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Aurora, OR State Airport (KUAO): Effective
September 12, 2017
Jun 27:
SCN17-81:
Changes to RWRTX Products in Texas: Effective
July 26, 2017
Aug 3:
SCN17-80:
Updated Hurricane Weather and Research Forecast (HWRF) Model Changes: Effective
August 2, 2017
, and Request for Comments
Jun 22:
SCN17-79:
NWS Transferring Forecast and Warning Responsibility for METAREA XVI to Directorate of Hydrography and Navigation of the Navy of Peru (DHN): Effective
June 30, 2017
Jun 16:
SCN17-78 Updated:
Termination of IDP-GIS RFC_GRID_QPF Map Service and Suspension of the RFC_DLY_QPE Services Data: Effective
Immediately
Aug 23, 2018:
SCN17-77 Updated:
NWS Hazard Simplification Project: Lake Effect Snow Warning Consolidation Expanded Nationwide: Effective
October 15, 2018
Jun 15:
SCN17-76:
Implementation of the Tampa Bay Marine Channels Forecast (TBMCF) at NOS/CO-OPS: Effective
August 1, 2017
Jun 15:
SCN17-75
: Upgrade to the Great Lakes Wave System: Effective
July 25, 2017
Sep 5:
SCN17-74 Updated:
The Ocean Prediction Center is Upgrading its Website: Effective
September 26, 2017
Jun 15:
SCN17-73:
Add Geostationary Operational Environmental Satellite-16 (GOES-16) Level 2 Derived Products to the Satellite Broadcast Network (SBN or NOAAPort): Effective
June 14, 2017
Jun 13:
SCN17-72:
Discontinue Experimental Holdover Threat Index Product for the Elko, NV Weather Forecast Office: Effective
July 13, 2017
Jun 13:
SCN17-71:
Discontinue Hurricane Wave (multi_2) Model: Effective
July 11, 2017
Jun 13:
SCN17-70 Updated:
Transition to Operational Status for the Experimental International Arrival and Departure Gate Forecasts: Effective
July 13, 2017
Jun 13:
SCN17-69 Updated:
Addition of New NWS Storm Surge Watches and Warnings and Changes to Symbology Used to Display NWS Tropical Cyclone Advisory Forecast Tracks, Cone of Uncertainty and Coastal Tropical Cyclone Watches/Warnings on NOAA's nowCOAST: Effective on or about
June 19, 2017
Jun 9:
SCN17-68:
Upgrade to Global (multi_1) Wave Model Point Data on NOAAPort and Web Services: Effective
July 19, 2017
Aug 10:
SCN17-67 Updated:
GFS Upgrade: Include Information about the 0.5 Degree GFS Pressure GRIB Files Being Temporarily Available on the NWS Web Services Until
August 22, 2017
Jun 8:
SCN17-66:
One NWS Upper Air Station to Use GPS Lockheed Martin LMS-6 403 MHz Radiosonde with the Lockheed Martin Groundstation (LMG) Starting on or around
June 29, 2017
Jun 7:
SCN17-65:
Discontinuing Experimental Southern Region Emergency Response Tool on
June 19, 2017
Jun 5:
SCN17-64:
Upgrade of 2.5 km Gridded Model Output Statistics Guidance over the CONUS to Operational Status on or about
July 18, 2017
Nov 6:
SCN17-63 Updated:
Extratropical Storm Surge (ETSS) Model Upgrade and the First Version of Probabilistic Extratropical Storm Surge (P-ETSS) Model: Effective
December 6, 2017
Jun 26:
SCN17-62 Updated
: Delay in the NWS Point Forecast Application Implementation of Storm Surge Watches and Warnings until
June 26, 2017
May 31:
SCN17-61:
Add GOES-16 Level 2 Derived Products to the Satellite Broadcast Network (SBN or NOAAPort): Effective
May 31, 2017
May 30:
SCN17-60:
Change to Depiction of Sustained Winds Around Tropical Cyclones on Ocean Prediction Center Forecast Charts: Effective
Thursday, June 30, 2017
Oct 20:
SCN17-59 Updated:
Slight Adjustments to SBN and NOMADS Transmission of National Blend of Models (NBM) Guidance and Bug Fix: Effective on
October 10, 2017
May 25:
SCN17-58 Updated:
Use of Mixed-case Text/95 ASCII Character Set in Weather Forecast Office (WFO) Tropical Cyclone Local Products: Effective on or about
June 26, 2017
Aug 10:
SCN17-57:
Change to the Census Area Name and the Federal Information Processing Series (FIPS) Code for Wade Hampton Census Area, AK: Effective on
June 13, 2017
Aug 14:
SCN17-56 Updated:
Discontinuing Experimental Adaptable NWS Forecast/Warning/Observation Widget and Webpage on
October 3, 2017
May 2:
SCN17-55:
Air Quality Prediction Update: Effective
June 13, 2017
Apr 28:
SCN17-54:
HYSPLIT Wildfire Smoke Prediction Update: Effective
June 13, 2017
Apr 27:
SCN17-53:
Change in Fire Weather Forecast Zones for WFO Portland, OR in Washington and Oregon: Effective
July 11, 2017
May 18:
SCN17-52 Updated:
Display Changes to the National Forecast Chart: Effective
May 25, 2017
Apr 18:
SCN17-51:
Impact Based Warnings for Special Marine Warnings (SMW) and Marine Weather Statements (MWS) for WFOs Honolulu and Guam will Become Operational
May 18, 2017
Apr 18
SCN17-50:
Use of Mixed-case Text/95 ASCII Character Set in Selected Marine Text Products: Effective
June 1, 2017
Apr 17:
SCN17-49:
Changes to the Appearance of the Graphics Accompanying Tropical Cyclone Advisory Packages: Effective on or about
May 15, 2017
Apr 14:
SCN17-48:
Experimental Weeks 3-4 Temperature Outlook will Become Operational: Effective
May 15, 2017
Apr 10:
SCN17-47:
Termination of Three National Hurricane Center Guidance Messages: Effective
May 10, 2017
Apr 10:
SCN17-46A:
Impact-based Warnings (IBW) to Become Operational at all Contiguous United States (CONUS) NWS Weather Forecast Offices (WFOs): Effective
May 10, 2017
Dec 21:
SCN17-46 Updated:
Delayed Implementation of Impact-based Warnings (IBW) at NWS Alaska Region Offices until
February 21, 2018
Jun 6:
SCN17-45 Updated:
Discontinue GFDL Hurricane Model: Effective
July 5, 2017
Apr 3:
SCN17-44:
Cessation of Legacy U.S. METAR and TAF Collectives/Bulletins that are Sent to the International Community on
May 8, 2017
Apr 3:
SCN17-43 Updated:
Alaska Aviation Weather Unit and Volcanic Ash Advisory Center will Migrate to a New Layout on their Homepages: Effective
May 10, 2017
Mar 31:
SCN17-42:
Adding Public Information Statements (PNSs) to the National Hurricane Center Product Suite: Effective
May 15, 2017
May 3:
SCN17-41 Updated:
Upgrade of National Water Model: Effective
May 8, 2017
Mar 30:
SCN17-40:
Add Experimental Aviation Surface Forecast and Aviation Cloud Forecast Graphics: Effective
March 30, 2017
Mar 30:
SCN17-39:
Depiction of Potential Tropical Cyclones on the Unified Surface Analysis and Forecast Marine Radiofax Charts: Effective on or around
May 15, 2017
Mar 29:
SCN17-38:
Changes in Air Quality Alert for Middle Tennessee and South Central Kentucky: Effective
April 27, 2017
Mar 31:
SCN17-37 Updated:
Minor Modification of IDP-GIS WPC_QPF Map Service to Remove Time-enable Layers: Effective
April 13, 2017
Mar 27:
SCN17-36:
The Validity Period for Four Terminal Aerodrome Forecast (TAF) Locations are Extending from 24 Hours to 30 Hours: Effective
June 13 and June 29, 2017
Apr 10, 2018:
SCN17-35 Updated:
Changes to Access, Planned Termination of Common Alerting Protocol Version 1.1 and Operational Implementation of Common Alerting Protocol Version 1.2: No Sooner than
July 1, 2018
Mar 30
SCN17-34 Updated:
Extratropical Surge and Tide Operational Forecast System for the Atlantic and Gulf Coasts (ESTOFS Atlantic) Update: Effective
April 25, 2017
Mar 20:
SCN17-33:
Expansion of the CPHC Tropical Weather Outlook to Five Days and Introduction of a 5-Day Companion Graphic to Match Products Issued by the NHC
Mar 20:
TIN15-16tc_threat_grids_aaa.pdf
Updated:
Tropical Cyclone Threat Grids in the National Digital Forecast Database will Transition to Operational: Effective
June 1, 2017
May 30:
SCN17-32 Updated:
Change to Available Formats of Precipitation Products on the AHPS Precipitation Download Webpage: Effective on or after
June 19, 2017
Mar 14:
SCN17-31:
Operational Implementation of Aviation Weather Center Experimental Graphical Forecasts for Aviation: Effective
April 13, 2017
Mar 14:
SCN17-30
Changes to the Graphical Tropical Weather Outlook (GTWO) issued by the National Hurricane Center: Effective on or around
May 15, 2017
Mar 10:
SCN17-29:
Discontinuing the Experimental Spanish Language Hurricane Local Statement Issued by the NWS WFO in Brownsville, TX: Effective
April 10, 2017
Mar 9:
SCN17-28:
Changing Criteria for Issuing Tropical Cyclone Watches and Warnings to Include Certain Land-threatening Disturbances that are not yet Tropical Cyclones: Effective on or about
May 15, 2017
Mar 9:
SCN17-27:
Discontinuation of the Experimental Hurricane Threats and Impacts Graphics Web Interface: Effective
April 10, 2017
Apr 10:
SCN17-26 Updated:
Probabilistic Tropical Cyclone Storm Surge (P-Surge) Model Upgrades: Effective
April 18, 2017
Mar 3:
SCN17-25:
Four NWS Southern Region WFOs will Stop Issuing Tropical Cyclone Forecast Products: Effective on or about
June 1, 2017
Mar 1:
SCN17-24:
Add GOES-16 Imagery to the SBN or NOAAPort: Effective
March 2, 2017
Feb 27:
SCN17-23:
Expansion of the Tropical Cyclone Watch/Warning Information Available in the National Tropical Cyclone Watch/Warning (TCV) Products Issued for Atlantic Tropical Cyclones: Effective on or around
June 1, 2017
Mar 31:
SCN17-22 Updated:
Changes to LAMP and Gridded LAMP Ceiling and Visibility Guidance and to the Dissemination of GLMP Wind Gusts and Probabilities of Ceiling Height and Visibility: Effective
April 3, 2017
Apr 10:
SCN17-21 Updated:
Modification of NOAA's nowCOAST Map Services to Provide Maps of NOAA/NESDIS Global Mosaic of Geostationary Satellite Imagery and Mosaic of Shortwave Infrared Imagery from NOAA GOES EAST and WEST: Effective
April 17, 2017
Feb 22:
SCN17-20:
Upgrade to WPC Probabilistic Quantitative Precipitation Forecasts Over CONUS: Effective
May 10, 2017
Feb 21:
SCN17-19:
Changes to the Mass News Disseminator Header Block for Mixed-case Tropical Products: Effective on or around
May 15, 2017
Feb 23:
SCN17-18 Updated:
Gridpoints Change for the GFS 20km Pacific Region over NOAAPort: Effective
March 22, 2017
Mar 9:
TIN15-05big_rsc_snowfall_aaa.pdf
Updated:
Modification of the National Operational Hydrologic Remote Sensing Center (Now the Office of Water Prediction (OWP)) Prototype Gridded Snowfall Analysis Product: Effective
March 15, 2017
Mar 27:
SCN17-17 Updated:
RTMA and URMA Upgrade: Effective May 2, 2017
Feb 15:
SCN17-16 Updated:
Addition of Tropical Cyclone Storm Surge Watches and Warnings for the Atlantic and Gulf Coasts of the Contiguous United States: Effective on or around
June 1, 2017
Feb 14:
SCN17-15:
Changes to the ASOS Augmentation and Backup Responsibilities in Alaska and Pacific Regions Starting
March 15, 2017
Feb 10:
SCN17-14:
Emergency Change to the HiResW Snow Initialization: Effective
February 14, 2017
Feb 7:
SCN17-13:
Planned Decommissioning of cell.weather.gov: Effective
March 7, 2017
Mar 29:
SCN17-12 Updated:
Resolution Upgrade for WPC Quantitative Precipitation Forecasts for CONUS: Effective
April 3, 2017
Mar 14:
SCN17-11 Updated:
Removal of the NCEP RTOFS Atlantic Forecasting System: Effective
March 21, 2017
Feb 3:
SCN17-10:
NGAC Aerosol Forecast System Upgrade: Effective
March 7, 2017
Feb 2:
TIN15-49wsr-88d_build_18_aaa.pdf
Amended:
WSR-88D Volume Coverage Pattern Changes Tentatively Scheduled to Deploy in
Mid-October 2017
Jan 30:
SCN17-09:
Discontinuing the Experimental Southern Region (SR) Experimental SR Mapping Application Program Interface (API) Widget:
Effective
Immediately
Jan 30:
SCN17-08 Updated: CANCELLED:
Impact-based Warnings (IBW) to Become Operational at all CONUS NWS WFOs on
February 28, 2017
Jan 30:
SCN17-07:
Experimental Waterspout Coding to Special Marine Warnings (SMW) and Marine Weather Statements (MWS) for all Marine WFOs in the CONUS will Become Operational: Effective
April 4, 2017
Jan 25:
SCN17-06:
Modification of NOAA's nowCOAST Map Services: Effective
February 28, 2017
Jan 24:
SCN17-05:
Western Region Web Changes: New Layout and Secure Communications: Effective
April 18, 2017
Jan 23:
SCN16-54 Updated:
Phase 3 Mixed-case Text and Expanded 95 Character ASCII Character Set Use in NWS Text Products: Effective
February 7, 2017
Jan 23:
SCN17-04:
WFO Honolulu will Begin Issuing the Hurricane Local Watch/Warning (TCV) Product on an Operational Basis: Effective
June 1, 2017
Jan 23:
SCN17-03
: Changes to the Hurricane Local Statement (HLS) issued by WFO Honolulu, HI: Effective on or around
June 1, 2017
Jan 23:
SCN17-02:
Changes to Public Forecast Zones for NWS Weather Forecast Office (WFO) Phoenix, AZ: Effective
April 4, 2017
Jan 23:
SCN17-01:
Change of Tsunami Break Points for California: Effective
February 16, 2017
2016 Service Change Notices
Nov 7, 2017:
SCN16-57 Updated:
Implementation of Mixed-case Text/95 ASCII Character Set in Preliminary Local Storm Reports (LSR) Delayed
Until Further Notice
Dec 27, 2016:
SCN16-56:
NWS to Merge Technical Implementation Notices (TIN) with Service Change Notices (SCN) and Use Update in Lieu of Corrected and Amended in Notices: Effective
January 1, 2017
Aug 27, 2019:
SCN16-55
Updated: Postponed:
Implementation of Changes to the NWS Forecast Website on or about
July 10, 2019
Jan 23, 2017:
SCN16-54 Updated:
Phase 3 Mixed-case Text and Expanded 95 Character ASCII Character Set Use in NWS Text Products: Effective
February 7, 2017
Dec 19:
SCN16-53:
URLs for the AHPS and OWP Websites will be Redirected to SSL and will Only be Accessible at https: Domain Names on or before
December 31, 2016
Nov 28:
SCN16-52:
Discontinuation of the Norman, OK Regional Weather Summary and Local Cooperative Observation (Amateur Radio Weather Reports): Effective
December 29, 2016
Nov 15:
SCN16-51:
Changes to the Websites Associated with the HADS System: Effective
December 13, 2016
Nov 14:
SCN16-50:
Discontinuation of the Satellite Interpretation Message (SIM) for Hawaii and the Significant Cloud Features Chart: Effective
December 14, 2016
Nov 4:
SCN16-49:
Change to the WMO Headers for the Observations from the NRCS Products On or After
December 5, 2016
Oct 24:
SCN16-48:
NOAA Weather Radio All Hazards (NWR) and Emergency Alert System (EAS) Changes for Tropical Cyclone Watch/Warning Services: Effective
June 1, 2017
Oct 19:
SCN16-47:
Discontinuing Coded Cities Forecast (CCF) for WFOs in NWS Southern Region who Issue it: Effective
November 22, 2016
Oct 18:
SCN16-46:
Use of Mixed-case Text/95 ASCII Character Set in NCEP Marine Interpretation Message (MIM) Products: Effective
November 30, 2016
Oct 7:
SCN16-45:
Combination of National Tsunami Warning Center (NTWC) and Pacific Tsunami Warning Center (PTWC) Products on Single Website: Effective on
November 7, 2016
Sep 26:
SCN16-44:
Discontinuing Experimental Satellite Rainfall Graphics: Effective
October 25, 2016
Sep 20:
SCN16-43:
Use of Mixed-case Letters in Select NWS Storm Prediction Center Products: Effective
December 6, 2016
Sep 20:
SCN16-42:
Upgrade to the Automated Flood Warning System (AFWS) Website on or after
October 12, 2016
Sep 15:
SCN16-41:
Termination of the NWS Automated Radar Observations and Radar Coded Message Mosaics: Effective
October 12, 2016
Sep 15:
SCN16-40:
The Southern Region River Forecast Center Experimental Decision Support Services Webpage will be Discontinued: Effective
September 27, 2016
Sep 12:
SCN16-39:
Change to the Distribution Times of the Day 3-7 Northern Hemispheric Chart and Day 4-5 and Day 6-7 Quantitative Precipitation Forecasts (QPF): Effective
October 11, 2016
Oct 5:
SCN16-38 Amended:
EDIS Email Service Upgrade/Transition to Start
September 7, 2016
with Completion by
October 11, 2016
Oct 5:
SCN16-37 Amended:
FTPMail Service Upgrade/Transition to Start
September 7, 2016
with Completion by
October 11, 2016
Aug 31:
SCN16-36:
Tornado and Severe Thunderstorm Watches may Include Outer Marine Zones: Effective
September 29, 2016
Sep 29:
SCN16-35 Amended:
Addition of a Map Service to NOAA's nowCOAST(tm) to Provide Access to NWS/National Hurricane Center's Potential Storm Surge Flooding Map: Effective
Wednesday, September 28, 2016
Aug 30:
SCN16-34:
Termination of the Production of Legacy Redbook Graphics: Effective
October 3, 2016
Aug 30:
SCN16-33:
Changes to the Sea State Analyses Produced by the Ocean Prediction Center: Effective
October 3, 2016
Aug 29:
SCN16-32:
The Weather Prediction Center will Migrate to a New Homepage Layout: Effective
September 27, 2016
Aug 29:
SCN16-31:
Operational Implementation of AWC Online PIREP Submission Form: Effective
September 29, 2016
Aug 26:
SCN16-30: Effective Immediately:
National Data Buoy Center Coastal-Marine Automated Network (C-MAN) Station CHLV2 on the Chesapeake Light Tower has been Disestablished
Aug 19:
SCN16-29:
NWS Making Changes to Icons Associated With Tropical Cyclone Point-and-Click Forecasts: Effective by the Beginning of the
2017 Tropical Cyclone Seasons
Aug 18:
SCN16-28:
Southern Region Offices will Migrate to a New Layout on their Web Homepages: Effective
September 27, 2016
Aug 17:
SCN16-27 Corrected:
New Fire and Public Forecast Zones and Boundary Changes for the Mountains of West Virginia: Effective
November 1, 2016
Jul 14
SCN16-26:
Mixed-case Text and Expanded 95 ASCII Character Set Use in NWS National Tsunami Warning Center (NTWC) Text Products: Effective
August 16, 2016
Jul 14:
SCN16-25:
Eliminate Tsunami EQI Products and Incorporate Content into TIB Products: Effective
August 16, 2016
Jul 12:
SCN16-24:
Addition of Governors Island, NY to the Land-based "Point-and-Click" Web Display of the New York, NY Weather Forecast Office (WFO): Effective
August 11, 2016
Jun 30:
SCN16-23:
Experimental Wind Speed Probabilities–Based Tropical Cyclone Danger Area Graphic to Transition from Experimental to Operational Status: Effective
August 1, 2016
Jun 22:
SCN16-22:
NOAA DSCOVR Spacecraft to Replace NASA ACE at the Space Weather Prediction Center (SWPC): Effective
July 27, 2016
Jul 8:
SCN16-21 Amended:
Change to WPC Day 1-3 Excessive Rainfall Outlooks: Effective
August 1, 2016
Aug 16:
SCN16-20 Amended:
Phase 2 Mixed-case Text and Expanded 95 Character ASCII Character Set Use in NWS Text Products: Effective
December 6, 2016
Jun 8:
SCN16-19:
GPS-MET Change in Service Provider: Effective
September 1, 2016
May 25:
SCN16-18:
Experimental Potential Storm Surge Flooding Map Transitioning to Operational Status
June 1, 2016
May 18:
SCN16-17:
Changes to the Boundaries of Fire Weather Forecast Zones in Southwest Minnesota and Northwest Iowa Served by NWS Weather Forecast Office (WFO) Sioux Falls, SD: Effective
June 16, 2016
Aug 1:
SCN16-16 Corrected:
Termination of the NWS weather.noaa.gov (WNG) Web Service: Effective
June 15, 2016
May 3:
SCN16-15:
Improved Warning Polygons Along Complex Coastal Boundaries: Effective
May 10, 2016
Apr 26:
SCN16-14:
Termination of Black and White Background Version of the Daily Weather Map Weekly Publication: Effective
Thursday, June 16, 2016
Apr 22:
SCN16-13:
NWS Alaskan Region Offices Will Migrate to a New Layout on its Web Homepages: Effective
July 6, 2016
Apr 11:
SCN16-12 Corrected:
Use of Mixed-case Text and Expanded 25 Character ASCII Character Sets in NWS Text Products: Effective
May 11, 2016
Apr 7:
SCN16-11:
Use of Mixed-case Letters in Select NWS National Central Pacific Hurricane Center Products: Effective
June 1, 2016
Apr 6:
SCN16-10:
Legacy Aviation Weather Center Webpages (ADDS) and Java Applets No Longer Available: Effective
June 30, 2016
Apr 1:
SCN16-09:
Changes to Public Forecast Zones of Northwest California: Effective
June 16, 2016
Mar 23:
SCN16-02 Amended:
NWS Geospatial Web Services Available on New Server: Effective
January 20, 2016
to Support Transition Scheduled for Completion on
April 8, 2016
; Availability of Weather Map Service Updated
Mar 14:
SCN15-55tsunami_aad.pdf
Updated:
Transfer of Tsunami Products for Puerto Rico and Virgin Islands from National Tsunami Warning Center (NTWC) to the Pacific Tsunami Warning Center (PTWC): Effective
April 3, 2017
Mar 14:
SCN16-08 Corrected:
Experimental Forecast of Reference Crop Evapotranspiration (FRET) for Short Canopy Vegetation will Become Operational: Effective
April 13, 2016
Mar 3:
SCN16-07 Amended:
Change to the Boundaries for Charleston Harbor Marine Zone: Effective
April 5, 2016
Feb 29:
SCN14-56implem_exp_cdm_aaa.pdf
Amended:
Continuation of the Experimental Collaborative Decision Making (CDM) Convective Forecast Planning (CCFP) Guidance through
February 28, 2017
Feb 29:
SCN16-06:
Service Transfer of Fire Weather Zones ALZ014 in North Central Alabama: Effective
April 5, 2016
Feb 29:
SCN16-05:
Use of Mixed-case Letters in Select NWS National Hurricane Center Products: Effective
May 15, 2016
Feb 3:
SCN16-04 Corrected
: Change for Corrections to WAFS Significant Weather Charts: Effective
April 14, 2016
Jan 28:
SCN16-03:
Change of Identifier for New York Oceanic Flight Information Region (FIR): Effective
April 14, 2016
Mar 23:
SCN16-02 Amended:
NWS Geospatial Web Services Available on New Server: Effective
January 20, 2016
to Support Transition Scheduled for Completion on
April 8, 2016
; Availability of Weather Map Service Updated
Jan 7:
SCN16-01:
NWS to Number Public Information Statements: Effective
January 8, 2016
2015 Service Change Notices
Jan 15:
SCN14-65riverpro_mixed_case_ccb.pdf
Corrected:
Use of Mixed-case Text in Select RiverPro Products at all Weather Forecast Offices: Effective on or about
January 28, 2015
Jan 22:
SCN15-01madis_v1.pdf
Change of the MADIS Distribution Services: Effective
Wednesday, January 21, 2015
Feb 3:
SCN15-02akq_zones_aaa.pdf
Amended:
New Fire and Public Forecast Zones and Boundary Changes for Central and Northeast Virginia: Effective
April 7, 2015
Jan 23:
SCN15-03gjt_zones.pdf
Service Transfer of Fire Weather Zones in Eastern Utah: Effective
April 7, 2015
Jan 27:
SCN15-04wpc_pwpf.pdf
Downscaled Version of WPC Probabilistic Winter Precipitation Forecasts (GRIB Only): Effective
February 26, 2015
Jan 29:
SCN15-05spc_sel.pdf
Addition of SUMMARY Section to Storm Prediction Center (SPC) Public Watch Notification Message (SEL): Effective
April 14, 2015
Feb 3:
SCN14-60sgx_zones_ccb.pdf
Corrected:
Changes in Fire and Public Weather Forecast Zones for Orange and Riverside Counties, CA: Effective
February 4, 2015
Feb 23:
SCN15-06two.pdf
Changes to the Tropical Weather Outlook Categories: Effective
May 15, 2015
Feb 23:
SCN15-07time_zone_change.pdf
Change in Time Zones Used for Eastern Pacific Tropical Cyclone Advisory Products: Effective
May 15, 2015
Feb 24:
SCN15-08nwws.pdf
NOAA Weather Wire Service to Switch to NWS Enterprise Architecture Solution (NWWS-2) by
May 2015
Feb 25:
SCN15-09webpage_refresh_cr.pdf
Central Region Offices will Migrate to a New Layout on their Web Homepages: Effective
March 30, 2015
May 7:
SCN15-10vtec_tropical_hls_mww_aaa.pdf
Amended:
Changes to the Marine Weather Message (MWW): Effective
May 7, 2015
Mar 4:
SCN15-11anc_fire_zones.pdf
New Fire Weather Forecast Zone and Fire Weather Forecast Zone Boundary Changes for Southwest Alaska: Effective
April 7, 2015
Mar 9:
SCN15-12gjt_fire_zones_cca.pdf
Corrected:
Changes to the Boundaries of some Grand Junction, CO Weather Forecast Office Fire Weather Forecast Zones: Effective
April 7, 2015
Mar 16:
SCN15-13xgtwo.pdf
Five-Day Graphical Tropical Weather Outlook will Transition to Operational: Effective
May 15, 2015
Mar 16:
SCN15-14mob_zones.pdf
Changes in Fire and Public Weather Forecast Zones For NWS Weather Forecast Office Mobile, AL for Baldwin and Mobile Counties, AL; and Escambia, Santa Rosa and Okaloosa Counties, FL: Effective
May 28, 2015
Mar 20:
SCN15-15enso.pdf
Change of the Release Date of the Monthly El Niño/Southern Oscillation (ENSO) Diagnostics Discussion: Effective
May 2015
Mar 25:
SCN15-16er_storm_summary.pdf
Addition of Metadata to NWS Eastern Region Public Information Statements: Effective
May 5, 2015
Apr 1:
SCN15-17ero_cca.pdf
Corrected:
Change to Issuance and Valid Times, and Web Display of WPC Day 1-3 Excessive Rainfall Outlooks for CONUS: Effective
May 12, 2015
Mar 31:
SCN15-18beach_hazards_oper.pdf
Experimental Beach Hazards Statement Will Become Operational: Effective
May 4, 2015
Apr 1:
SCN15-19nwws2.pdf
Update: NOAA Weather Wire Service NWS Enterprise Architecture Solution (NWWS-2) Begins
April 1, 2015
Apr 1:
SCN15-20hems_cca.pdf
Corrected:
Operational Implementation of the Helicopter Emergency Medical Services (HEMS) Tool: Effective
May 4, 2015
Apr 6:
SCN15-21off_lightning_density.pdf
Experimental Gridded Lightning Strike Density Product will Transition to Operational Status: Effective
Thursday, May 21, 2015
Apr 9:
SCN15-22hls_tcig_discontinue.pdf
Discontinue the Experimental Tropical Cyclone Impact Graphics (TCIG) and Experimental Hurricane Local Statement (HLS) Interactive Text Reader: Effective
June 1, 2015
Apr 14:
SCN15-23enhanced_bullet_fwf.pdf
NWS to Operationally Implement Enhanced Format for Fire Weather Planning Forecasts (FWF): Beginning
May 14, 2015
Apr 14:
SCN15-24tcp.pdf
Change to the Issuance of the Tropical Cyclone Public Advisory: Effective
May 15, 2015
Apr 16:
SCN15-25expanded_attribute_table.pdf
Change in AWIPS Baseline County Warning Area (CWA) Shapefile Attribute Table: Effective
April 16, 2015
Apr 20:
SCN15-26icons.pdf
Operational Implementation of Changes to "Forecast at a Glance Icons" on NWS Point Forecast Pages: Effective
July 7, 2015
May 1:
SCN15-27ncep_wpc_hpc_web.pdf
Termination of Legacy Hydrometeorological Prediction Center (HPC) Webpage: Effective
July 1, 2015
May 7:
SCN14-66hls_aab.pdf
Amended:
Changes to the Hurricane Local Statement: Effective
May 7, 2015
May 7:
SCN14-67tcv.pdf
Amended:
Experimental Hurricane Local Watch/Warning Product will Transition to Operational: Effective
May 7, 2015
May 8:
SCN15-28storm_quicklook.pdf
NOS/CO-OPS is Making Minor Changes to the Storm QuickLook Product: Effective
May 1, 2015
May 18:
SCN15-29qpf_timing.pdf
Change to Issuance Times of WPC Day 1-3 Quantitative Precipitation Forecasts for CONUS: Effective
July 15, 2015
May 18:
SCN15-30wr_points_removal.pdf
Discontinuance of the Quantitative Precipitation Forecast Western Region Points Products: Effective
Wednesday, July 15, 2015
May 27:
SCN15-31shannon_oglalacty cca.pdf
Corrected:
Changes to the County Name and the Federal Information Processing Series (FIPS) Code for Shannon County, SD: Effective for NWS Products and Services on
October 1, 2015
May 27:
SCN15-32nws_riverton.pdf
Change to the Transmitting Frequency of NOAA Weather Radio Station WNG569, Broadcasting from Aftonoming, WY: Effective
July 15, 2015
Jun 25:
SCN15-33key_mfl_hab_cca.pdf
Corrected:
Beach Hazards Statements Issued by WFO Miami and WFO Key West, FL to Include Information about Harmful Algal Blooms (HABs) When Criteria are Met: Effective
June 29, 2015
Jun 15:
SCN15-34pqpf.pdf
Addition of Probabilistic Quantitative Precipitation Forecast (PQPF) Grids: Effective
July 15, 2015
Jun 18:
SCN15-35low_lev_sig_wx_graphics.pdf
Change in the Display of the National Centers for Environmental Prediction (NCEP) Aviation Weather Center (AWC) Low Level Significant Weather Chart: Effective
September 1, 2015
Jun 19:
SCN15-36tafb_spot.pdf
Implementation of Spot Forecast Requests and Spot Forecasts for the Tropical North Atlantic and Tropical Northeast Pacific High Seas: Effective
August 4, 2015
SCN15-37: Incorrectly issued.  Was a duplicate of
SCN 15-34
Jul 1:
SCN15-38ncep_wpc_graphics_rem.pdf
Reminder: Change in the Display of the Weather Prediction Center (WPC) Short-Range Weather Charts and Termination of Associated Redbook Graphics: Effective
September 1, 2015
Jul 9:
SCN15-39fire_zones_sju_cca.pdf
Corrected:
Changes in Fire Weather Forecast Zone for Puerto Rico (PR) and the U.S. Virgin Islands (USVI): Effective
August 6, 2015
Jul 10:
SCN12-27eka_wave_aaa.pdf
Amended:
Extending Comment Period to
July 1, 2016
for Experimental Wave Terminology Change for Coastal Waters from Point Saint George to Point Arena, CA
Aug 13:
SCN15-40wfo_hfo_county_names_update_ccb.pdf
Corrected:
Update to the County Names for the Hawaiian Islands in the National AWIPS Baseline: Effective on
September 8, 2015
Aug 12:
SCN15-41buoy_changes.pdf
Buoy 51100 is No Longer Supported Effective
Immediately
; Servicing of Buoy 46089 is Planned for
September 2015
Aug 17:
SCN15-42lsu_vor_aviation_cca.pdf
Corrected:
Change of Name and Identifier for the Baton Rouge, LA VHF Omnidirectional Radio Range (VOR) Aviation Radio Navigation Site: Effective
September 17, 2015
Oct 9:
SCN15-43pbz_zones_aaa.pdf
Amended:
New Fire and Public Forecast Zones for Monongalia, Preston and Tucker Counties in WV: Effective
November 10, 2015
Aug 31:
SCN15-44shannon_oglalacty_rem.pdf
Reminder: Changes to the County Name and the Federal Information Processing Series (FIPS) Code for Shannon County, SD: Effective for NWS Products and Services on
October 1, 2015
Sep 1:
SCN15-45vtec_change.pdf
Change to P-VTEC Line(s) and Associated Headline(s) When Upgrading from Winter Storm Warning or Lake Effect Snow Warning to Ice Storm and Blizzard Warning: Effective
November 17, 2015
Sep 2:
SCN15-46ice_map_changes.pdf
Changes to Alaska Sea Ice Maps: Effective
October 1, 2015
Sep 29:
SCN15-47end_ice_graphics.pdf
Discontinuation of the Experimental Display of the Sperry-Piltz Ice Accumulation (SPIA) Index Graphics from NWS Webpages: Effective
October 30, 2015
Oct 9:
SCN15-48mfr_zones.pdf
Changes to Some Marine and Land Zones of Coastal Southern Oregon: Effective
November 10, 2015
Oct 27:
SCN15-49twc_messages.pdf:
Modification of National Tsunami Warning Center Public Tsunami Warning, Advisory and Watch Messages Starting
November 30, 2015
Nov 4:
SCN15-50ahps.pdf
Changes to Files Available on Advanced Hydrologic Prediction Service (AHPS) Downloads Webpage: Effective on or after
January 19, 2016
Nov 6:
SCN15-51nhc_website.pdf
The National Hurricane Center will Upgrade its Public Website (www.hurricanes.gov) on
November 9, 2015
Nov 19:
SCN15-52srf_wr.pdf
Corrected:
New Surf Zone Forecast (SRF) Products for West Coast and Change to Existing SRF Formats: Effective
December 16, 2015
Dec 11:
SCN15-53rtp_ny.pdf
Five Regional Temperature and Precipitation Tables (RTPs) to Cover New York State and Parts of Vermont and Connecticut: Effective
January 19, 2016
Dec 11:
SCN15-54short-range_change.pdf
Changes in Issuance Times of WPC Day 1-3 Short Range Weather Forecast Charts and Addition of Isobars to the 6-Hour Forecast Chart: Effective
January 26, 2016
Mar 14, 2016:
SCN15-55tsunami_aad.pdf
Updated:
Transfer of Tsunami Products for Puerto Rico and Virgin Islands from National Tsunami Warning Center (NTWC) to the Pacific Tsunami Warning Center (PTWC): Effective
April 3, 2017
Dec 21:
SCN15-56mmefs.pdf
Change to the Webpage Address for the NWS Hydrologic Short-term Meteorological Model-Based Ensemble Forecasting System: Effective
January 20, 2016
Dec 23:
SCN15-57geonetcast.pdf
GEONETCast-Americas Satellite Broadcast Discontinuation of the WMO/WMC and ALERT Sub-Channels: Effective
March 18, 2016
2014 Service Change Notices
Jan 14:
SCN14-01wave_terminology_ext.pdf
Extending Comment Period to
June 30, 2014
for Experimental Wave Terminology Change for Coastal Waters from Point Saint George to Point Arena, CA
Feb 10:
SCN14-02gjt_fwf_smoke.pdf
Changes to the format of the Fire Weather Planning Forecast (FWF) for Weather Forecast Office Grand Junction (GJT), CO: Effective
April 1, 2014
Mar 11:
SCN14-03sref_co-op_nos_aaa.pdf
Amended:
NOS/CO-OPS is Implementing Model Guidance SHEF Bulletins for the San Francisco Bay Operational Forecast System (SFBOFS): Effective
April 23, 2014
Feb 24:
SCN14-04wea_tsu.pdf
NWS Capable of Activating Wireless Emergency Alerts for Tsunami Warnings: Effective
January 31, 2014
Feb 24:
SCN14-05james_river_hydro.pdf
Transfer of Hydrologic Services for the James River at Bremo Bluff Forecast Location in Virginia: Effective
April 1, 2014
Feb 25:
SCN14-06buoy_st_augustine_fl.pdf
NDBC Buoy 41012 has been Disestablished
February 19, 2014
Feb 27:
SCN14-07pdx_cessation.pdf
Cessation of Use of the Decommissioned Portland, OR VHF Omnidirectional Radio Range (VOR) Aviation Radio Navigation Site: Effective
March 26, 2014
Feb 27:
SCN14-08mfl_north_bay_village.pdf
Addition of North Bay Village, FL to the Land-based "Point-and-Click" Web Display of the Miami, FL Weather Forecast Office: Effective
April 1, 2014
Feb 27:
SCN14-09twc_fire_zones.pdf
Changes in Fire Weather Forecast Zones for Southeast Arizona: Effective
April 1, 2014
Feb 28:
SCN14-10san_juan_fire_zones.pdf
Changes in Fire Weather Forecast Zones for Puerto Rico and the U.S. Virgin Islands: Effective
April 1, 2014
Feb 28:
SCN14-11pws_cca.pdf
Corrected:
Changes to Text Tropical Cyclone Wind Speed Probability Product: Effective
May 15, 2014
Feb 28:
SCN14-12two_cca.pdf
Corrected:
Changes to the Text Tropical Weather Outlook: Effective
May 15, 2014
Mar 5:
SCN14-13pdt_fire_zones_cca.pdf
Corrected:
Changes in Several Fire Weather Forecast Zone Boundaries for Oregon and Washington: Effective
April 1, 2014
Apr 1:
SCN13-77opc_offshore_ccd.pdf
Corrected:
Changes in Offshore Waters Marine Zones for the New England and West Central North Atlantic and for the Washington, Oregon and California Waters in the Pacific Ocean: Effective
April 1, 2014
Feb 28:
SCN14-14sr_data_webpage.pdf
Discontinuance of the NWS Southern Region Data Webpage: Effective
April 2, 2014
Mar 4:
SCN14-15vortex.pdf
Changes to Remarks Section of the Vortex Data Message for Tropical Cyclones: Effective
May 15, 2014
Mar 7:
SCN14-16coops_pred.pdf
NOS/CO-OPS Released the NOAA Current Predictions Web Application on
February 26, 2014
Mar 10:
SCN14-17spanish_hls.pdf
Experimental Spanish Language Hurricane Local Statement Issued by the NWS Weather Forecast Office in Brownsville, TX: Effective
June 1, 2014
Mar 19:
SCN14-18tsunami_pago_aab.pdf
Amended:
New Domestic Tsunami Products for American Samoa: Effective
Monday, March 31, 2014
May 22:
SCN14-19sew_zones_cca.pdf
Corrected:
Change in Some Public Weather Forecast Zones for WFO Seattle, WA: Effective
June 12, 2014
Mar 27:
SCN14-20anc_zones.pdf
Changes to Fire and Public Zone Boundaries for WFO Anchorage, AK: Effective
June 12, 2014
Mar 28:
SCN14-21lix_ago_rtp.pdf
Discontinuation of the Southeast Louisiana and South Mississippi Agricultural Reports (AGO) and Changes to the Regional Temperature and Precipitation (RTP) Product from Weather Forecast Office (WFO) New Orleans/Baton Rouge, LA: Effective
April 30, 2014
Apr 1:
SCN14-22alaska_ice.pdf
New WMO Header for Alaskan Waters Ice Outlook: Effective
May 22, 2014
Apr 11:
SCN14-23coop_quicklook.pdf
NOS/CO-OPS to Enhance Storm QuickLook Product: Effective
May 15, 2014
Apr 16:
SCN14-24tsunami_sp.pdf
Transition to Operational Status of Experimental Spanish Tsunami Messages for Puerto Rico, Virgin Islands, U.S. East Coast and the Gulf of America: Effective
May 15, 2014
Apr 18:
SCN14-25usrcrn_decom.pdf
Termination of USRCRN Observation Data on or about
June 1, 2014
Apr 18:
SCN14-26canl_discontinued.pdf
Discontinuance of the Experimental Cold Advisory for Newborn Livestock (CANL) Grid Element in the National Digital Forecast Database (NDFD): Effective
May 27, 2014
Jun 5:
SCN14-27weather.gov_responsive_aaa.pdf
Amended:
Implementation of Responsive Web Design Enhancements to weather.gov Website: Effective Date
to be Determined (TBD)
Apr 24:
SCN14-28wpc_2.5km_grids.pdf
Increase in Horizontal Resolution of Weather Prediction Center (WPC) Day 4-7 Gridded Guidance and Addition of Day 3 for CONUS: Effective
July 8, 2014
May 6:
SCN14-29bhs.pdf
Four Additional Weather Forecast Offices in the Great Lakes will Begin Issuing the Experimental Beach Hazards Statement: Effective on or about
May 19, 2014
May 12:
SCN14-30excessive_rainfall.pdf
Elimination of the Delineation of 5 inches or More Of Rainfall on the WPC Excessive Rainfall Graphic: Effective
June 9, 2014
Aug 18:
SCN14-31videocast_delay_aaa.pdf
Amended:
National Hurricane Center Videocasts Delayed until a
Date to be Determined
Jun 2:
SCN14-32depict_disturb.pdf
Change to the Depiction of Disturbances on the 48-Hour Graphical Tropical Weather Outlook: Effective
July 1, 2014
Jun 4:
SCN14-33updated_zone_shapefiles.pdf
Updated National Marine, Fire, Public and County Shapefiles as of
June 4, 2014
Jun 5:
SCN14-34bismarck_rfd_end.pdf
Discontinuation of the Rangeland/Grassland Fire Danger Statement (RFD) for North Dakota by the NWS Weather Forecast Office (WFO) in Bismarck, ND: Effective
July 1, 2014
Jun 11:
SCN14-35ice_7-day.pdf
Changes to Alaska Ice Forecasting Services: Effective
June 30, 2014
Jun 25:
SCN14-36wind_profilers.pdf
Termination of Continental United States Wind Profiler Observation Data on or about
August 30, 2014
Jul 8:
SCN14-37impact_maps_discontinued.pdf
Discontinuing Experimental Aviation Impact Maps: Effective
August 8, 2014
Jul 25:
SCN14-38zone_greenbrier_wv.pdf
New Fire and Public Forecast Zones for Greenbrier County, WV: Effective
Tuesday, October 7, 2014
Jul 28:
SCN14-39tsunami_span.pdf
NWS to Issue National Tsunami Warning Center Spanish Messages for Pacific: Effective
August 4, 2014
Sep 8:
SCN14-40tafb_qpe_ccb.pdf
Corrected:
Experimental Satellite Rainfall Quantitative Precipitation Estimates (QPE) Text Product Transitioned from Experimental Status to Operational Status: Effective
September 2, 2014
Nov 17:
SCN14-41er_marine_zones_cca.pdf
Corrected:
Changes in Eastern Region Outer Coastal Marine Zone Boundaries, Names and Universal Geographic Codes (UGCs): Effective
December 2, 2014
Aug 8:
SCN14-42day_1-3_outlooks_ccb.pdf
Corrected:
Operational Implementation of the Storm Prediction Center (SPC) Categorical Day 1-3 Convective Outlooks for CONUS: Effective
October 22, 2014
Aug 20:
SCN14-43tsunami_cca.pdf
Corrected:
New Domestic Tsunami Products for Guam and the Commonwealth of the Northern Mariana Islands (CNMI): Effective
September 22, 2014
Aug 20:
SCN14-44radar.pdf
Beta Test of WSR-88D Software Build 15 Changes and Beta Test Sites Beginning on or about
September 22, 2014
at Five WSR-88D Locations
Aug 25:
SCN14-45tsunami_ptwc_ww.pdf
Changes to the Tsunami Threat Message: Effective
Wednesday, October 1, 2014
Sep 17:
SCN14-46space_wx_website.pdf
Transition to Operational Status of the Space Weather Prediction Center Website: Effective
September 29, 2014
Sep 18:
SCN14-47lwx_zones.pdf
New Fire and Public Forecast Zones and Boundary Changes for Central and Northeast Maryland, Northern Virginia and the Blue Ridge of Virginia: Effective
December 3, 2014
Sep 18:
SCN14-48box_gyx_county.pdf
Service Transfer of Cheshire and Hillsborough Counties, NH to the Gray, ME NWS Weather Forecast Office: Effective
December 3, 2014
Sep 19:
SCN14-49hwo_discontinue.pdf
Discontinuance of the Hazardous Weather Outlook (HWO) on the weather.gov Home Webpage: Effective
October 21, 2014
Sep 23:
SCN14-50twitter_oper.pdf
Transition from Experimental to Operational Status of NWS Use of Twitter as an Environmental Information Service: Effective
October 31, 2014
Oct 6:
SCN14-51summer_dashboard_cca.pdf
Corrected:
Removal of the Experimental Aviation Summer Weather Dashboard: Effective
October 30, 2014
Sep 30:
SCN14-52ptwc_intl.pdf
International Tsunami Graphical and Statistical Forecast Products for the Pacific Basin to Become Operational: Effective
October 1, 2014
Sep 30:
SCN14-53ak_rec_avalanche.pdf
Implementation of a Recreational Forecast from WFO Anchorage, AK: Effective
October 30, 2014
Oct 1:
SCN14-54spc_day_4-8_severe.pdf
Operational Implementation of the Storm Prediction Center (SPC) Day 4-8 Severe Weather Outlooks: Effective
December 16, 2014
Nov 2:
SCN14-55spc_exp_oper_4-8_dry_thunder_cca.pdf
Corrected:
Operational Implementation of the Storm Prediction Center (SPC) Dry Thunderstorm Fire Weather Outlooks for Days 4-8: Effective
November 4, 2014
Feb 29, 2016:
SCN14-56implem_exp_cdm_aaa.pdf
Amended:
Continuation of the Experimental Collaborative Decision Making (CDM) Convective Forecast Planning (CCFP) Guidance through
February 28, 2017
Nov 6:
SCN14-57vtec_guam_op_cca.pdf
Corrected:
Primary Valid Time Event Code Becomes Operational for Several Products at NWS Weather Forecast Office Guam: Effective
January 13, 2015
Nov 21:
SCN14-58jax_fire_zones.pdf
Changes in Fire and Public Zones for NWS Weather Forecast Office Jacksonville, FL for Duval and Nassau Counties, FL: Effective
February 4, 2015
Nov 21:
SCN14-59lox_channel_islands_zones.pdf
Addition and Changes in Fire and Public Forecast Zones for the Channel Islands National Park: Effective
February 4, 2015
Feb 3, 2015:
SCN14-60sgx_zones_ccb.pdf
Corrected:
Changes in Fire and Public Weather Forecast Zones for Orange and Riverside Counties, CA: Effective
February 4, 2015
Nov 25:
SCN14-61ncep_wpc_graphics.pdf
Change in the Display of the Weather Prediction Center (WPC) Short-Range Weather Charts and Termination of Associated Redbook Graphics: Effective
September 1, 2015
Dec 2;
SCN14-62buoy_41036.pdf
Removal of Buoy 41036: Effective
January 2015
Dec 9:
SCN14-63nwws.pdf
NOAA Weather Wire Service to switch to NWS Enterprise Architecture Solution (NWWS-2) by
March 2015
Dec 17:
SCN14-64mvf_ids.pdf
Coded Marine Verification Forecast (MVF) will no longer be Issued: Effective
Tuesday, February 3, 2015
Jan 15, 2015:
SCN14-65riverpro_mixed_case_ccb.pdf
Corrected:
Use of Mixed-case Text in Select RiverPro Products at All Weather Forecast Offices: Effective on or about
January 28, 2015
May 7, 2015:
SCN14-66hls_aab.pdf
Amended:
Changes to the Hurricane Local Statement: Effective
May 7, 2015
May 7, 2015:
SCN14-67tcv.pdf
Amended:
Experimental Hurricane Local Watch/Warning Product will Transition to Operational: Effective
May 7, 2015
2013 Service Change Notices
Jan 3:
SCN13-01buoy_46089_astoria_or.pdf
Buoy 46089, Offshore Astoria, OR, is No Longer Supported: Effective
Immediately
Jan 3:
SCN13-02buoy_41012_st_augustine_fl.pdf
Due to Lack of Funds, NDBC Buoy 41012, Offshore St. Augustine, FL, is No Longer Supported: Effective
Immediately
Jan 3:
SCN13-03cman_coos_bay.pdf
Disestablishment of the Coastal Marine Automated Network Station at Cape Arago Lighthouse Near Coos Bay, OR in
2013
Jan 3:
SCN13-04qpf_pr.pdf
Termination of the Experimental Quantitative Precipitation Forecasts for Puerto Rico and the U.S. Virgin Islands: Effective
February 3, 2013
Jan 23:
SCN13-05vdm_ts.pdf
Changes to the Wind Information in the Remarks Section of the Vortex Data Message for Tropical Cyclones in the Atlantic, Eastern Pacific, Central Pacific and Western Pacific Hurricane Basins: Effective
May 15, 2013
Jan 23:
SCN13-06temp_drop_message.pdf
Elimination of EYE and Addition of CENTER as Possible Remarks in the Temp Drop Message for Tropical: Effective
May 15, 2013
Jan 24:
SCN12-34yakutat_bay_cca.pdf
Corrected:
New WMO Header and MND Header Block for Yakutat Bay, AK Coastal Waters Forecast Product: Effective Date
Delayed until January 29, 2013
Jan 25:
SCN13-07wr_wrf_model.pdf
Western Region WFO Use of Weather Research and Forecasting (WRF) Model Output will Become Operational: Effective
February 26, 2013
Jan 28:
SCN13-08fire_wx_forecast_oper.pdf
Text Format for Fire Weather Planning Forecast in NWS Western Region will Become Operational on
February 26, 2013
Jan 29:
SCN13-09slc_gjt_fire_wx_zones.pdf
Changes in Fire Weather Forecast Zone Names for Utah: Effective
April 4, 2013
Jan 30:
SCN13-10sel_enhanced_haz.pdf
Enhanced Bulleted Format of NWS Storm Prediction Center (SPC) Public Watch Notification Messages (SEL) (CONUS Only): Effective
April 16, 2013
Feb 28:
SCN13-11bhs_hab_aaa.pdf
: Amended:
Change in Issuance Criteria for Beach Hazards Statements for Harmful Algal Bloom (HAB) Issued by WFO Tampa Bay Area: Effective
Immediately
Feb 11:
SCN13-12exp_haz_map_discont.pdf
Discontinuance of the Experimental New NWS Hazards Map Interface: Effective
March 12, 2013
Feb 13:
SCN13-13canl_oper.pdf
Transition of Experimental Cold Advisory for Newborn Livestock Web Service to Operational for Participating WFOs in CONUS Only: Effective
March 19, 2013
Feb 25:
SCN13-14hpc_mesoscale_precip.pdf
Transition of NCEP Mesoscale Discussions for Heavy Rainfall from Storm Prediction Center to Hydrometeorological Prediction Center: Effective
April 9, 2013
Feb 26:
SCN13-15dod_level_2.pdf
Initiation of Additional DoD WSR-88D Level II Data Streams Beginning
March 2013
Feb 26:
SCN13-16hsd.pdf
New Display of Automated Flood Warning Systems (AFWS) Webpages: Effective on or before
March 31, 2013
Feb 28:
SCN13-17ptwc_iotws_products.pdf
Termination of Interim Advisory Service for Tsunamis by the Pacific Tsunami Warning Center to Countries on the Indian Ocean: Effective
March 31, 2013
Mar 4:
SCN13-18ilm_zones.pdf
Sheltered Waters Along Part of North Carolina Coastline will Transfer from Marine Zones to Fire and Public Zones: Effective
April 2, 2013
Mar 5:
SCN13-19tce_termination.pdf
Elimination of the Tropical Cyclone Position Estimate Product with the Information Provided in the Tropical Cyclone Update Product: Effective
May 15, 2013
Mar 5:
SCN13-20preepd.pdf
Discontinuance of Weather Prediction Center Preliminary Extended Forecast Discussion: Effective
April 16, 2013
Mar 8:
SCN13-21usrcrn_terminate.pdf
Changes to Observations from USRCRN on or about
April 6, 2013
Mar 18:
SCN13-22swpc_products.pdf
Transition of Two Space Weather Prediction Center (SWPC) Products from Experimental to Operational Status: Effective
April 22, 2013
Mar 19:
SCN13-23fire_wx_web_oper.pdf
Transition from Experimental to Operational Status of National Fire Weather Webpage: Effective
April 23, 2013
Mar 26:
SCN13-24emwin_ftp_logon.pdf
EMWIN FTP Logon Changes: Effective
June 10, 2013
Mar 28:
SCN13-25grib1_cessation.pdf
Format Change for World Area Forecast System (WAFS) Upper Air Forecasts: Effective
November 13, 2013
Mar 28:
SCN13-26drought_outlook.pdf
U.S. Drought Outlook Changes: Effective
June 20, 2013
Mar 28:
SCN13-27drought_monitor.pdf
U.S. Drought Monitor AWIPS Change: Effective
June 20, 2013
Apr 4:
SCN13-28tropical_watch_warn.pdf
Change in Tropical Cyclone Watch and Warning Definitions to Include Post-Tropical Cyclones: Effective
June 1, 2013
Apr 22:
SCN13-29nhc_audio_briefings.pdf
Transition of National Hurricane Center Audio Briefings from Experimental to Operational: Effective
June 1, 2013
Apr 16:
SCN13-30san_juan_zone.pdf
Changes in Fire Weather Forecast Zones for Puerto Rico and the U.S. Virgin Islands: Effective
May 16, 2013
Apr 17:
SCN13-31boi_pih_fire_zones.pdf
Changes in Some Fire Weather Forecast Zones for Idaho: Effective
May 16, 2013
Apr 18:
SCN13-32roanoke_zone_change.pdf
Change to the Federal Information Processing System (FIPS) Code and the County Form of the Universal Geographic Code (UGC-C) for the city of Bedford, VA: Effective
July 1, 2013
Apr 30:
SCN13-33bhs_expansion.pdf
Expansion of the Beach Hazards Statement to Ten Additional Weather Forecast Offices: Effective
May 20, 2013
May 3:
SCN13-34wa_fire_wx_zones.pdf
Changes to the Fire Weather Zones in Washington State: Effective
June 6, 2013
May 21:
SCN13-35arctic_waters.pdf
Expansion of the National Official Offshore Text Forecast Product to Include the U.S. Arctic Waters: Effective
June 4, 2013
May 30:
SCN13-36alaska_marine_zones.pdf
Changes to Coastal Marine Zones in the Gulf of Alaska and Bering Sea: Effective
October 1, 2013
Jun 3:
SCN13-37enso_release.pdf
Late Release of July 2013 ENSO Diagnostics Discussion:
July 5, 2013
Jun 10:
SCN13-38wpc_6-7_qpf.pdf
Day 6-7 Quantitative Precipitation Forecasts to Transition from Experimental to Operational Status on
July 9, 2013
Jun 10:
SCN13-39local_nws_facebook.pdf
Transition from Experimental to Operational Status of Local NWS Facebook Pages: Effective
July 11, 2013
Jun 21:
SCN13-40moose_river_hydro.pdf
Transfer of Hydrologic Services for the Moose River at McKeever Forecast Location in New York: Effective
September 19, 2013
Jul 8:
SCN13-41nos_crex.pdf
NOS/CO-OPS is Implementing New Character Form for the Representation and EXchange of Data (CREX) Products: Effective
August 7, 2013
Jul 11:
SCN13-42nwro_webpage_end.pdf
Termination of the Experimental National Water Resources Outlook Webpage: Effective
August 10, 2013
Jul 11:
SCN13-43goes-12_decommission.pdf
GOES-12 Decommissioning to Occur
August 16, 2013
Jul 15:
SCN13-44pinnacles_fire_zone.pdf
Change in Fire and Public Weather Forecast Zone Names for NWS Weather Forecast Office San Francisco Bay Area/Monterey, CA: Effective
August 15, 2013
Jul 15:
SCN13-45akq_graphic_changes.pdf
Transfer of Some Small Marine Areas in Lower Chesapeake Bay Area from Marine Zones to Fire and Public Zones or to Other Marine Zones: Effective
August 15, 2013
Aug 1:
SCN13-46tafb_satellite_rainfall_cca.pdf
Corrected:
Discontinuation of the Text Satellite Tropical Disturbance Rainfall Estimates Product for the Caribbean, Central America and the Gulf of America: Effective
July 25, 2013
Jul 25:
SCN13-47ncep_winter_pwpf.pdf
Transition of NCEP WPC Probabilistic Winter Precipitation Forecasts in Percentile Format for Days 1-3 from Experimental to Operational: Effective
September 16, 2013
Dec 23:
SCN13-48tbw_marine_cca.pdf
Corrected:
Changes in Marine Forecast Zones in the Charlotte Harbor Area Across Portions of West and Southwest Florida: Effective
December 3, 2013
Dec 23:
SCN13-49tbw_public_zones_cca.pdf
Corrected:
Changes in Coastal Fire and Public Weather Forecast Zones for NWS Weather Forecast Office Tampa Bay, FL Across Portions of West and Southwest Florida: Effective
December 3, 2013
Nov 6:
SCN13-50tafb_high_seas_aaa.pdf
Amended:
Minor Changes to High Seas Forecast Areas: Effective
December 3, 2013
Aug 9:
SCN13-51monterey_marine_zone.pdf
Changes to Coastal Marine Zone Boundaries Off Central California: Effective
Tuesday, December 3, 2013
Aug 20:
SCN13-52nwws.pdf
New NOAA Weather Wire Service (NWWS) During
2014
Aug 23:
SCN13-53faa_ak_level_2.pdf
Initiation of Additional FAA WSR-88D Level II Data Streams Beginning
September 2013
Aug 26:
SCN13-54twc_name.pdf
Name Change of the West Coast/Alaska Tsunami Warning Center to National Tsunami Warning Center: Effective
October 1, 2013
Sep 22:
SCN13-55wpc_downscaled_qpf_aaa.pdf
Amended:
Application of Downscaling to WPC 5 km Deterministic Quantitative Precipitation Forecasts: Effective
October 23, 2013
Aug 29:
SCN13-56wafs_oper.pdf
Operational Implementation of World Area Forecast System Grids Visualization on
September 25, 2013
Aug 29:
SCN13-57co-ops_tac_website.pdf
NOS/CO-OPS is Releasing its Newly Enhanced Tides and Currents Website: Effective
October 1, 2013
Sep 3:
SCN13-58pfws.pdf
Discontinuation of Passaic Flood Warning System Data on the Automated Flood Warning Systems (AFWS) Webpages: Effective on or before
September 30, 2013
Sep 6:
SCN13-59opc_grib.pdf
Discontinuation of the GRIB/GRIB2 data for the Atlantic and East Pacific Oceans: Effective
Tuesday, December 3, 2013
Sep 19:
SCN13-60spc_fire_wx_outlook.pdf
Change in NWS Storm Prediction Center (SPC) "SEE TEXT" Information in Day 1 and Day 2 Fire Weather Outlook Products for CONUS Only: Effective
November 26, 2013
Sep 16:
SCN13-61nohrsc_domain.pdf
Original NOHRSC Domain Name Permanently Switched from nws.gov to nohrsc.noaa.gov: Effective
September 12, 2013
Sep 19:
SCN13-62pqr_zone_changes.pdf
Change in Public Weather Forecast Zones for WFO Portland, OR in Washington and Oregon: Effective
December 3, 2013
Sep 19:
SCN13-63pdt_zones_changes.pdf
New Public Zones and Boundary Changes for Parts of Central and Northeast Oregon and Southeast Washington: Effective
December 3, 2013
Sep 26:
SCN13-64ice_accu_oper.pdf
Experimental Ice Accumulation Grids Transition to Operational Status in the National Digital Forecast Database for CONUS Only: Effective
November 5, 2013
Sep 26:
SCN13-65hysplit_oper.pdf
HYSPLIT Trajectories Request Function via NWS Spot Forecast Request Webpages Becomes Operational: Effective
October 29, 2013
Oct 31:
SCN13-66buf_ext_nsh_cca.pdf
Corrected:
Extension of Time Period of Text Marine Forecasts: Effective
October 15, 2013
Oct 25:
SCN13-67winter_dash_oper.pdf
Aviation Winter Weather Dashboard Operational
November 25, 2013
Oct 30:
SCN13-68vor_aviation_ccb.pdf
Corrected:
Change of Name and Identifier for the Jackson, MS VHF Omnidirectional Radio Range (VOR) Aviation Radio Navigation Site: Effective
December 3, 2013
Nov 4:
SCN13-69tafb_graphicast.pdf
Experimental Web-based Graphicast Product To Transition From Experimental Status to Operational Status: Effective
December 10, 2013
Nov 6:
SCN13-70ccf_sr.pdf
Discontinuation of the Coded Cities Forecast (CCF) For Many Weather Forecast Offices in NWS Southern Region: Effective
December 18, 2013
Nov 13:
SCN13-71wea_ice_blizzard.pdf
Blizzard and Ice Storm Warnings to No Longer Activate Wireless Emergency Alerts By Default: Effective
November 13, 2013
Nov 19:
SCN13-72tor_ffw_emergency.pdf
Tornado and Flash Flood Emergency Headlines Added: Effective
February 4, 2014
Nov 21:
SCN13-73w_atchafalaya_river.pdf
Transfer of Hydrologic Services for the Western Atchafalaya River Basin to Weather Forecast Office Lake Charles, LA: Effective
February 5, 2014
Nov 21:
SCN13-74franklin_county_hydro.pdf
Transfer of Hydrologic Services for Franklin County in Arkansas: Effective
Wednesday, February 5, 2014
Nov 22:
SCN13-75alaska_fips.pdf
Change to the Federal Information Processing Standards (FIPS) Code for Part of Southeast Alaska: Effective
February 5, 2014
Nov 25:
SCN13-76benton_tn_cca.pdf
Corrected:
Service Transfer of Benton County, TN to the Memphis NWS Weather Forecast Office: Effective
February 5, 2014
Apr 1, 2014:
SCN13-77opc_off_ccd.pdf
Corrected:
Changes in Offshore Waters Marine Zones for the New England and West Central North Atlantic and for the Washington, Oregon and California Waters in the Pacific Ocean: Effective
April 1, 2014
Dec 23:
SCN13-78mhx_marine_zones.pdf
Changes in Marine Weather Forecast Zones for Part of the Albemarle Sound and Pamlico Sound in North Carolina: Effective
April 1, 2014
2012 Service Change Notices
Jan 3:
SCN11-29cameron_la_zones_cca.pdf
Corrected:
Implementation of Improved Fire and Public Weather Coverage for Southwest Louisiana: Effective
December 15, 2011
Jan 13:
SCN12-01madis.pdf
National Mesonet Partial Data Outage: Effective
January 11, 2012
Jan 30:
SCN12-02trop.pdf
Change to the Tropical Weather Outlook Text Products: Effective
May 15, 2012
Feb 1:
SCN12-03wind_wave.pdf
Transition from Experimental to Operational Status of Digital Wind and Wave Forecasts on Inland Lakes and Reservoirs: Effective
March 1, 2012
Feb 2:
SCN12-04tn_fire_zones.pdf
Changes in Fire Weather Forecast Zones for Middle and East Tennessee: Effective
Tuesday, March 6, 2012
Feb 3:
SCN12-05sup_climata_data.pdf
Discontinue the Supplementary Data Observation (SDO) and Supplementary Climate Data (SCD) Products: Effective
March 3, 2012
Feb 10:
SCN12-06ahps_enhancements.pdf
Enhancements to Hydrologic Information on the Web: Effective on or before
February 29, 2012
Feb 10:
SCN12-07hpc_winter_prec.pdf
Transition of NCEP HPC Probabilistic Winter Precipitation Forecasts for Days 1-3 from Experimental to Operational: Effective
March 13, 2012
for CONUS Only
Feb 14:
SCN12-08fire_wx_dmx_dvn.pdf
Changes to the Fire Weather Forecast Service Programs at the NWS Weather Forecast Offices in Des Moines, IA and Davenport, IA: Effective
March 15, 2012
Feb 17:
SCN12-09chs_zones.pdf
NWS Weather Forecast Office Charleston, SC will Split the Fire Weather Forecast Zone for Berkeley County, SC: Effective
March 19, 2012
May 2:
SCN12-10beach_hazards_aaa.pdf
Amended:
Test of Beach Hazards Statement with new Valid Time Event Code (VTEC) in Coastal Hazard Message at Select Weather Forecast Offices (WFOs): Effective
May 15, 2012
Mar 15:
SCN12-11pfm_ccf.pdf
Addition of Three Locations to the Point Forecast Matrix and Five Locations to the Coded Cities Forecast Products by the Brownsville, TX Weather Forecast Office: Effective
May 31, 2012
Mar 19:
SCN12-12lwx_rtp.pdf
Changes to the Regional Temperature and Precipitation (RTP) product and re-establishment of the Daily Hydrometeorological Data Summary (HYD) product at the Baltimore/Washington Weather Forecast Office
Mar 21:
SCN12-13rugs_discontinue.pdf
Discontinuance of the Experimental Recently Updated Grids Service (RUGS)
Mar 30:
SCN12-14spc_md.pdf
Standardized Format in Free Text Portion of Storm Prediction Center (SPC) Mesoscale Discussion (CONUS Only): Effective
May 1, 2012
Mar 30:
SCN12-15seattle_fire_zones.pdf
Changes in Four Fire Weather Forecast Zone Names for Western Washington: Effective
April 30, 2012
Mar 30:
SCN12-16ut_fire_zones.pdf
Changes in Fire Weather Forecast Zones for Utah: Effective
April 30, 2012
Apr 17:
SCN12-17enso.pdf
Early Release of May 2012 ENSO Diagnostics Discussion: Effective
May 3, 2012
May 8:
SCN12-18ilm_zones.pdf
Winyah Bay, SC will transfer from a Marine Zone to Fire and Public Zones: Effective
June 7, 2012
May 11:
SCN12-19madis.pdf
National Mesonet Data Stream Restart
May 15, 2012
May 11:
SCN12-20marine_lox.pdf
Changes to Coastal Marine Zone Boundaries Off Southern California: Effective
October 2, 2012
May 24:
SCN12-21iscs_end.pdf
International Satellite Communications System (ISCS) Broadcast Ending: Effective
July 1, 2012
May 29:
SCN12-22weather.gov_web.pdf
Transition of the weather.gov Design Refresh from Experimental to Operational Status: Effective
July 2, 2012
Jun 15:
SCN12-23mob_marine_zone.pdf
Implementing Improved Marine Zone Coverage for the Mobile, AL/Pensacola, FL Coastal Waters: Effective
October 2, 2012
Jun 22:
SCN12-24improved_space_wx.pdf
Implementation of Improved Space Weather Watch: Effective
July 25, 2012
Jul 5:
SCN12-25afws.pdf
NWS to Establish New Methods to Collect Automated Flood Warning System Information by
March 31, 2013
Jul 12:
SCN12-26spc_day_3_thunder.pdf
General Thunderstorm Information Added to Storm Prediction Center (SPC) Day 3 Convective Outlook: Effective
September 25, 2012
Jul 10, 2015:
SCN12-27eka_wave_aaa.pdf
Amended:
Extending Comment Period to
July 1, 2016
for Experimental Wave Terminology Change for Coastal Waters from Point Saint George to Point Arena, CA
Aug 7:
SCN12-28phi_zones.pdf
New Fire and Public Forecast Zones and Boundary Changes for Southeastern Pennsylvania: Effective
December 4, 2012
Sep 7:
SCN12-29spc_opr_thunderstorm_cca.pdf
Corrected:
Transition of NWS Storm Prediction Center (SPC) Thunderstorm Outlook (CONUS Only) from Experimental to Operational Status: Effective
September 26, 2012
Sep 5:
SCN12-30swpc_discontinued.pdf
Discontinuation of Space Weather Advisory Bulletin: Effective
October 5, 2012
Sep 10:
SCN12-31hgx_zone.pdf
Shapefile Correction and Adjustment for the Upper and Lower Houston Ship Channel and Galveston Bay, TX: Effective
October 11, 2012
Sep 25:
SCN12-32shef_crex.pdf
NOS/CO-OPS to Change SHEF and CREX Bulletins: Effective
October 24, 2012
Oct 2:
SCN12-33atwc_products.pdf
Changes to West Coast/Alaska Tsunami Warning Center (WC/ATWC) Products: Effective
November 1, 2012
Jan 24, 2013:
SCN12-34yakutat_bay_cca.pdf
Corrected:
New WMO Header and MND Header Block for Yakutat Bay, AK Coastal Waters Forecast Product: Effective Date Delayed Until
January 29, 2013
Oct 24:
SCN12-35valdez_kodiak_marine.pdf
Change to Dissemination of Valdez Port, Narrows and Arm and Chiniak and Marmot Bays, AK Coastal Waters Forecast Products: Effective
January 9, 2013
Oct 30:
SCN12-36npop.pdf
Discontinuance of the National Public Observing Program (NPOP): Effective
October 1, 2012
Oct 31:
SCN12-37san_joaquin_rtp.pdf
Changes to the Regional Temperature and Precipitation (RTP) Product from Weather Forecast Office (WFO) San Joaquin Valley/Hanford, CA: Effective
December 4, 2012
Oct 31:
SCN12-38removal_marine_portal.pdf
Removal of Experimental Southeastern U.S./Gulf of America Marine Weather Portal on
November 30, 2012
Nov 1:
SCN12-39end_exp_extreme_cold.pdf
Discontinuance of Experimental Extreme Cold Warnings: Effective
December 3, 2012
Nov 20:
SCN12-40co-ops_ofs_cca.pdf
Corrected:
NOS/CO-OPS is Implementing Model Guidance Standard Hydrometeorological Exchange Format (SHEF) Bulletins: Effective
December 5, 2012
Nov 6:
SCN12-41sigmet_testing_cca.pdf
Corrected:
U.S. SIGMET Testing
November 7-21, 2012
Nov 5:
SCN12-42vero_beach_vor.pdf
Change of Name and Identifier for the Vero Beach, FL VHF Omnidirectional Radio Range (VOR) Aviation Radio Navigation Site: Effective
November 15, 2012
Nov 9:
SCN12-43end_gov_delivery_aab.pdf
Amended:
GovDelivery Dissemination of NWS Alerts by Email: Effective
November 8, 2012
Nov 14:
SCN12-44mob_coastal.pdf
Change in Synopsis Name in Coastal Waters Forecast (CWF) for WFO Mobile, AL: Effective
January 22, 2013
Nov 21:
SCN12-45hpc_med_range_schedule_cca.pdf
Corrected:
Change to Issuance Times of HPC Day 3-7 Products (CONUS Only): Effective
December 18, 2012
Nov 26:
SCN12-46key_west_marine_zone.pdf
Implementing Improved Marine Zone Coverage for Florida Keys Coastal Waters: Effective
April 2, 2013
Dec 26:
SCN12-47losa_marine_zone.pdf
Place islands in their Correct Marine Zones off Southern California Coast: Effective
Tuesday, April 2, 2013
Nov 27:
SCN12-48mmefs_oper.pdf
Transition of Meteorological Model Ensemble River Forecasts from Experimental to Operational: Effective
January 8, 2013
Nov 30:
SCN12-49sfpar_sft.pdf
Discontinuance of the Arkansas State Forecast Product (SFPAR) in Favor of Individual WFO Tabular State Forecast Products (SFTXXX): Effective
January 3, 2013
2011 Service Change Notices
Apr 21:
SCN11-01trop_cyclone_cca.pdf
Corrected:
Changes to Tropical Cyclone Text Products Issued by National Centers and Weather Forecast Office Guam: Effective
May 15, 2011
Jan 25:
SCN11-02spanish_chart.pdf
Transition of HPC Today’s Weather Chart in Spanish from Experimental to Operational: Effective
March 1, 2011
Jan 26:
SCN11-03hpc_prob_freezing.pdf
Transition of HPC Probabilistic Freezing Temperature Charts from Experimental to Operational: Effective
March 1, 2011
Jan 26:
SCN11-04fl_forecast_prod.pdf
Discontinuance of the Florida State Forecast Product (SFPFL) in Favor of Individual WFO Tabular State Forecast Products (SFTXXX): Effective
March 1, 2011
Jan 27:
SCN10-47ua_las_vegas_aaa.pdf
Amended:
To Report the Official Release Point Datum for the Las Vegas, NV Radiosonde Replacement System (RRS) Site
Feb 2:
SCN11-05spanish_trop_cca.pdf
Corrected:
New Line Added to Mass News Dissemination Header Block for Spanish Language Version of the Tropical Cyclone Public Advisory and Tropical Weather Outlook: Effective
June 1, 2011
Feb 3:
SCN11-06tangipahoa_la_zones.pdf
Implementation of Improved Fire and Public Weather Coverage for Mississippi and Southeast Louisiana: Effective
May 31, 2011
Feb 3:
SCN11-07hls.pdf
Changes to the Hurricane Local Statement Format Issued by Weather Forecast Offices for Tropical Cyclones in the Atlantic and Eastern Pacific Hurricane Basins: Effective
May 15, 2011
Feb 3:
SCN11-08ww.pdf
Changes to Watches and Warnings Issued by Weather Forecast Offices for Tropical Cyclones in the Atlantic and Eastern Pacific Hurricane Basins: Effective
May 15, 2011
Feb 10:
SCN11-09fire_wx_zn_splits.pdf
Changes to the Boundaries of the Fire Weather Forecast Zones in Phillips, Valley, Petroleum and Garfield Counties, MT: Effective
March 15, 2011
Feb 10:
SCN11-10wwa_cap.pdf
NWS Watches/Warnings/Advisories in CAP and ATOM based Formats to Transition to Operational Status on
March 15, 2011
Feb 11:
SCN11-11grand_rapids_hydro_sum.pdf
New Daily Hydrometeorological Data Summary Issued by WFO Grand Rapids, MI: Effective
March 14, 2011
Feb 22:
SCN11-12az_hydro.pdf
Transfer of Hydrologic Services in Northern Arizona: Effective
May 10, 2011
Feb 25:
SCN11-13pqpf_oper.pdf
Transition of NCEP HPC Probabilistic Quantitative Precipitation Forecasts From Experimental to Operational: Effective
April 5, 2011
Mar 2:
SCN11-14key_west_marine_zones.pdf
Implementing Improved Marine Zone Coverage for the Florida Keys Coastal Waters: Effective
July 7, 2011
Mar 15:
SCN11-15rip_curr_vtec.pdf
Test of Operational Rip Current Valid Time Event Code (VTEC) in Coastal Hazard Message at Select Weather Forecast Offices (WFOs): Effective
Thursday, May 12, 2011
Mar 28:
SCN11-16texas_zones.pdf
Implementation of Improved Fire and Public Weather Forecasts for Southeast Texas: Effective
August 4, 2011
Apr 7:
SCN11-17exceedance_heights.pdf
Probabilistic Tropical Cyclone Storm Surge Exceedance Products Become Operational: Effective
June 1, 2011
Apr 27:
SCN11-18oper_bullets.pdf
Transition of Bulleted Coastal/Lakeshore Hazard Message (CFW) and Marine Weather Message (MWW) Products to Operational: Effective
June 1, 2011
Apr 27:
SCN11-19colorado_zones.pdf
Changes to the Boundaries of Fire Weather Forecast Zone 201, the Craig Forecast Area, CO: Effective
June 7, 2011
May 12:
SCN11-20ncwf-2_cessation.pdf
Discontinuance of the Experimental Second Generation National Convective Weather Forecast (NCWF-2): Effective
June 16, 2011
May 23:
SCN11-21bulleted_wsw_npw_rfw_oper.pdf
Transition of Experimental Bulleted Winter Storm (WSW), Non-Precipitation Weather (NPW) and Fire Weather (RFW) Watch/Warning/Advisory Products to Operational: Effective
June 22, 2011
Jun 3:
SCN11-22six-hourly_qpf.pdf
Transition of NCEP HPC Six-Hour Interval Quantitative Precipitation Forecast for Days 4 and 5 from Experimental to Operational Status: Effective
July 5, 2011
Sep 2:
SCN11-23gray_harbor_county_radar_aaa.pdf
Updated:
New Washington State WSR-88D Update and Data Flow Test on
September 8, 2011
Jun 24:
SCN11-24hazards_assessment.pdf
Format of U.S. Hazards and Global Tropics Hazards Assessments: Effective
September 12, 2011
Jul 12:
SCN11-25drought_monitor.pdf
U.S. Drought Monitor Impact Type Labels Change: Effective
September 29, 2011
Jul 26:
SCN11-26nwws.pdf
A New NOAA Weather Wire Service (NWWS) will be Commissioned during
2012
Jul 26:
SCN11-27hpc_grids.pdf
Enhancements to Hydrometeorological Prediction Center Medium Range Weather Grids Over CONUS: Effective
October 11, 2011
Aug 10:
SCN11-28buoy_44018.pdf
Relocation of National Data Buoy Center Buoy 44018 on or about
October 15, 2011
Jan 3, 2012:
SCN11-29cameron_la_zones_cca.pdf
Corrected:
Implementation of Improved Fire and Public Weather Coverage for Southwest Louisiana: Effective
December 15, 2011
Aug 26:
SCN11-30buoy_41002.pdf
Relocation of National Data Buoy Center Buoy 41002 on or about
November 1, 2011
Aug 26:
SCN11-31lrit_emwin_emer_shutdown.pdf
Hurricane Irene Emergency Outage for EMWIN and LRIT Users: Effective
1:00 PM EST, Saturday, August 27, 2011
Sep 12:
SCN11-32fax_iffdp.pdf
Facsimile-Based International Flight Folder Documentation Program (IFFDP) Termination: Effective
February 28, 2012
Sep 13:
SCN11-33ak_zones.pdf
Modification of Fire and Public Weather Zone Boundary between the Yukon Delta and Lower Yukon Valley Zones in Western Alaska: Effective
October 13, 2011
Sep 27:
SCN11-34space_wx.pdf
Implementation of Improved Space Weather Watch, Warning and Alert Products: Effective
December 19, 2011
Oct 12:
SCN11-35natl_snowfall_analysis.pdf
Transition of the National Snowfall Analysis from Experimental to Operational Status: Effective
November 11, 2011
Oct 24:
SCN11-36new_mexico_zones.pdf
Implementation of Improved Public Zone Coverage for Southwestern/South Central New Mexico and Far West Texas: Effective
February 23, 2012
Nov 3:
SCN11-37sigmet_test.pdf
U.S. SIGMET Testing from
November 8-22, 2011
Nov 22:
SCN11-38marine_forecast.pdf
Changes to the format of the Marine Forecast Matrices Issued by Weather Forecast Office Honolulu, HI: Effective
March 1, 2012
Dec 2:
SCN11-39green_river_hydro.pdf
Transfer of Hydrologic Services for the Green River at Green River Forecast Location in Utah: Effective
February 28, 2012
Dec 13:
SCN11-40offshore_zones_cca.pdf
Corrected:
Changes in Offshore Waters Marine Zones for the Caribbean and Southwest North Atlantic and the Gulf of America: Effective
April 3, 2012
Dec 6:
SCN11-41zone.pdf
Changes in Marine, Fire and Public Weather Forecast Zones for Portions of the Lower James, York, and Rappahannock Rivers in Southeastern Virginia: Effective
April 3, 2012
Dec 21:
SCN11-42extreme_cold_ccb.pdf
Corrected:
Replacing or Augmenting Wind Chill Products with Experimental Extreme Cold Warnings at 8 NWS Weather Forecast Offices: Effective
January 18, 2012
Dec 23:
SCN11-43lkn_zones.pdf
Changes to Some Public Weather Forecast Zones in Northeastern and Central Nevada: Effective
April 3, 2012
Dec 23:
SCN11-44iscs_to_gifs.pdf
ISCS Broadcast Ending and Being Replaced by the GTS Internet File Service (GIFS): Effective
June 30, 2011
2010 Service Change Notices
Jan 5:
SCN10-01trop_warnings.pdf
Change to Issuance Criteria for Tropical Cyclone Watches and Warnings Issued by the National Hurricane Center: Effective for
2010 Hurricane Season
Jan 19:
SCN10-02chs_zone_ccb.pdf
Corrected:
NWS Weather Forecast Office Charleston, SC will Split its Public Forecast Zone for Berkeley County, SC into Two Public Forecast Zones: Inland Berkeley and Tidal Berkeley, SC: Effective
May 11, 2010
Mar 16:
SCN10-03vef_fire_zones_cca.pdf
Corrected:
Changes to the Boundaries of Two Fire Weather Zones in Southern California: Effective
March 16, 2010
.  New Shapefile Available as of
11:15 AM EDT on March 16 2010
Jan 12:
SCN10-04graphical_airmet.pdf
Aviation Weather Center (AWC) Graphical AIRMET (G-AIRMET) Becomes an Operational Product: Effective
March 16, 2010
Jan 15:
SCN10-05fire_zone_tn.pdf
Changes to the Fire Weather Zone for the Great Smoky Mountains National Park in Tennessee and North Carolina: Effective
March 16, 2010
Jan 15:
SCN10-06trop_cyclone_terms.pdf
Adoption and Use of Post-Tropical Cyclone Terminology by NWS National Centers and Forecast Offices: Effective
May 15, 2010
Jan 26:
SCN10-07trop_cyc_pub.pdf
Format Changes to the Tropical Cyclone Public Advisory Products for the Atlantic, Eastern Pacific and Central Pacific Hurricane Basins: Effective
May 15, 2010
Jan 28:
SCN10-08marine_click.pdf
Experimental Marine Point Forecast Webpages will Become Operational on
March 8, 2010
for the Continental United States and Hawaii
Feb 1:
SCN10-09lix_marine_zone.pdf
Implementing Improved Marine Zone Coverage for Mississippi and Southeast Louisiana Coastal Waters: Effective
June 1, 2010
Feb 16:
SCN10-10trop_cyc.pdf
Format Change to Tropical Cyclone Update Products for the Atlantic, Eastern Pacific and Central Pacific Basins: Effective
May 15, 2010
Feb 17:
SCN10-11spc_fire_wx.pdf
Initiation of Daily Updated Issuances of the Day 1 and Day 2 Storm Prediction Center Fire Weather Outlooks and Change in Issuance Time for the Day 3 to 8 Fire Weather Outlook for CONUS Only
Feb 24:
SCN10-12hls.pdf
Changes to the Hurricane Local Statement Format: Effective
May 15, 2010
Feb 27:
SCN10-13tsunami_ptwc.pdf
Change to Tsunami Warning, Watch, Advisory and Information Statement Definitions for Domestic Products Issued by the Pacific Tsunami Warning Center: Effective
April 1, 2010
Feb 25:
SCN10-14cphc_two.pdf:
Changes to Tropical Weather Outlook Products Issued by the Central Pacific Hurricane Center (CPHC): Effective
June 1, 2010
Feb 25:
SCN10-15twfg.pdf
Central Pacific Tropical Cyclone Wind Field Graphics Become Operational: Effective
June 1, 2010
Mar 1:
SCN10-16pacific_marine_zones.pdf
Temporary Marine Zone Changes for Coastal Waters from Washington to Central California to Become Permanent
April 1, 2010
Mar 8:
SCN10-17hdob.pdf
Change to Coding of High Density Observation (HDOB) Message for Missing Data: Effective
July 15, 2010
Mar 12:
SCN10-18vtec_rip_curr.pdf
Test of Operational Valid Time Event Code (VTEC) for Rip Currents in Coastal Hazard Message (CFW) in Select Weather Forecast Offices (WFOs): Effective
May 12, 2010
Mar 31:
SCN10-19tsu_marine_zones.pdf
Removal of Marine Zones from NWS West Coast/Alaska Tsunami Warning Center (WC/ATWC) Tsunami Watch/Warning/Advisory Products and Change of WC/ATWC Breakpoints Along Alaska and the West Coast: Effective
August 3, 2010
Apr 1:
SCN10-20cys_fire_zones.pdf
Changes to WFO Cheyenne, WY Fire Weather Zones in Southeast Wyoming and Western Nebraska Panhandle: Effective
May 1, 2010
Apr 1:
SCN10-21riw_fire_zones.pdf
NWS Forecast Office Riverton, WY will Split its Fire Weather Zone WYZ289 into Two Fire Weather Zones: Effective
May 1, 2010
Apr 7:
SCN10-22goes-east.pdf
GOES East EMWIN Users Must Take Action to Continue Receiving EMWIN Broadcast After
April 26, 2010
Apr 14:
SCN10-23ny_zones_aaa.pdf
Amended:
New Fire and Public Forecast Zones and Boundary Changes for Parts of Northeast New Jersey and Southeast New York: Effective
December 1, 2010
Apr 13:
SCN10-24srf_mqt_spx.pdf
NWS Weather Forecast Offices (WFOs) in Marquette and Gaylord, MI will Issue Surf Zone Forecasts with Rip Current Information: Effective
July 1, 2010
Jun 23:
SCN10-25ridge_2_aaa.pdf
Amended:
Delay RIDGE Radar Version II Implementation Date Until
March 2011
May 14:
SCN10-26el_nino.pdf
Early Issuance of the June 2010 El Niño-Southern Oscillation (ENSO) Diagnostics Discussion
May 19:
SCN10-27wmo_prod_header.pdf
End-State WMO/AWIPS Product Identifiers for Three North Central River Forecast Center Products: Effective
September 15, 2010
May 28:
SCN10-28mixed_case.pdf
Use of Upper and Lower-case Letters in National Public Information Statements, Service Change and Technical Implementation Notices: Effective
August 16, 2010
Jun 4:
SCN10-29iowa_aqa.pdf
New Statewide Air Quality Alert Product for Iowa: Effective
Monday, October 4, 2010
Jun 10:
SCN10-30can_tsunami_zones.pdf
Canadian UGC Codes in NWS Tsunami (TSU) Products: Effective
November 9, 2010
Jun 18:
SCN10-31gag_vor.pdf
Change of Name and Identifier for the Gage, OK VHF Omnidirectional Radio Range (VOR) Aviation Radio Navigation Site: Effective
August 31, 2010
Jun 18:
SCN10-32multisensor_precip.pdf
Transition from Experimental to Operational Status of the Hourly Multisensor Precipitation Estimate Information Service: Effective
July 20, 2010
Aug 31:
SCN10-33pdt_zones_cca.pdf
Corrected:
New Public Zones and Boundary Changes for Parts of Central and Northeast Oregon and Southeast Washington: Effective
October 15, 2010
Jun 21:
SCN10-34twc_zones.pdf
Reconfiguration of Public Forecast Zones in Southeast Arizona: Effective
October 15, 2010
Jun 30:
SCN10-35level_2.pdf
Changed Dates of Adding New WSR-88D Level II Data Streams
Jul 23:
SCN10-36lwx_zones.pdf
A Split of Highland County, VA and Pendleton County, WV Fire and Public Forecast Zones: Effective
November 15, 2010
Jul 23:
SCN10-37pbz_zones.pdf
A Split of Westmoreland County and Fayette County Fire and Public Forecast Zones in Western Pennsylvania: Effective
Monday, November 15, 2010
Dec 22:
SCN10-38event_types_cca.pdf
Corrected Date:
Rolling Software Implementation Date for Preliminary Local Storm Report Weather Event Types and Event Sources with Completion Scheduled for
June 30, 2011
Sep 2:
SCN10-39hour_precip.pdf
Replacement of the National Weather Service Hourly Multi-Sensor Precipitation Estimate Information Service: Effective
October 4, 2010
Sep 29:
SCN10-40alaska_zone_forecast.pdf
Modified Zone Forecast Product (ZFP) for Weather Forecast Office Juneau (AJK), AK: Effective
November 2, 2010
Oct 1:
SCN10-41tpc_nhc_name.pdf
Change to Official Name of Issuing Office in Products from the National Hurricane Center: Effective
January 10, 2011
Oct 14:
SCN10-42grib1_cat_cb.pdf:
Change in Format of Experimental World Area Forecast System Gridded Forecasts of Icing, Clear Air Turbulence (CAT) and Cumulonimbus Cloud (CB): Effective
November 18, 2010
Oct 14:
SCN10-43wind_hail_tag_line_oper_cca.pdf
Corrected:
Transition from Experimental to Operational Status of the Wind-Hail Tag Line for NWS Central Region Severe Thunderstorm Warnings: Effective
November 15, 2010
SCN10-44 - Incorrectly Issued as a Correction to
SCN10-54
Nov 3:
SCN10-45ny_zones_reminder_cca.pdf
Corrected:
Reminder: New Fire and Public Forecast Zones and Boundary Changes for Parts of Northeast New Jersey and Southeast New York: Effective
December 1, 2010
Oct 29:
SCN10-46lub_rwstx.pdf
Discontinuation of the West Texas Weather Summary Product (RWSTX) for WFO Lubbock (LUB), TX: Effective
December 1, 2010
Jan 27, 2011:
SCN10-47ua_las_vegas_aaa.pdf
Amended:
To Report the Official Release Point Datum for the Las Vegas, NV Radiosonde Replacement System (RRS) Site
Nov 16:
SCN10-48ccf_discontinuance.pdf
Discontinuation of the Coded Cities Forecast (CCF) for Five of Six NWS Regions: Effective
March 15, 2011
Nov 23:
SCN10-49akq_zones.pdf
Changes in Coastal Waters Marine Zones For the Lower Chesapeake Bay of Southeastern Virginia: Effective
April 5, 2011
Nov 23:
SCN10-50buf_zones.pdf
New Marine Zones for the Niagara River: Effective
April 5, 2011
Nov 23:
SCN10-51lox_zones.pdf
Change in Synopsis Name in Coastal Waters Forecast (CWF) for WFO Los Angeles/Oxnard, CA: Effective
April 5, 2011
Nov 24:
SCN10-52end_gls_maw.pdf
The Great Lakes Storm Summary (GLS) and Marine Alert Message (MAW) will No Longer be Issued: Effective
February 1, 2011
Dec 21:
SCN10-53wilmington_zones.pdf
New Fire and Public Forecast Zones and Boundary Changes for Coastal Portions of Northeast South Carolina and Southeast North Carolina: Effective
Tuesday May 3, 2011
Oct 21:
SCN10-54bear_river_hydro_cca.pdf
Corrected:
Transfer of Hydrologic Services for the Bear River in Idaho: Effective
January 12, 2011
2009 Service Change Notices
Jan 28:
SCN09-01surf_zone_barrow_ak.pdf
NWS Weather Service Office in Barrow, AK will Begin Issuing Surf Zone Forecasts: Effective
Wednesday, July 1, 2009
Jan 28:
SCN09-02afg_arctic.pdf
Creation of Three New Offshore Marine Zones, an Experimental Seasonal Marine Synopsis and an Experimental Seasonal Offshore Forecast Product for U.S. Arctic Ocean Waters North of Alaska: Effective
June 2, 2009
Oct 26:
SCN09-03ridge_radar_aac.pdf
Amended:
Ridge Radar Version II Comment Period Extended to
March 1, 2010
Feb 5:
SCN09-04fire_wx_e_nd.pdf
Addition of Two National Fire Danger Rating System (NFDRS) Sites by the Eastern North Dakota Weather Forecast Office at Grand Forks, ND: Effective
Tuesday, March 10, 2009
Feb 12:
SCN09-05gis.pdf
Transition from Experimental to Operational Status of NWS Warnings Using Geographic Information Systems: Effective
April 1, 2009
Feb 18:
SCN09-06kuskowim_zones.pdf
Fire and Public Zone Changes for Kuskokwim Valley, AK Zone AKZ151: Effective
May 7, 2009
Feb 19:
SCN09-07kuskokwim_hsa_cca.pdf
Corrected:
Hydrologic Service Area (HAS) Boundary Changes for the Kuskokwim Valley in Alaska: Effective
May 7, 2009
Feb 18:
SCN09-08trop_field_graphics.pdf
Atlantic and Eastern Pacific Tropical Cyclone Wind Field Graphics Become Operational: Effective
May 15, 2009
Feb 18:
SCN09-09tcd.pdf
Change to Format of the Tropical Cyclone Discussion for the Atlantic Hurricane Basin: Effective
June 1, 2009
Feb 18:
SCN09-10monthly_tropical_sum.pdf
Format Change to the Monthly Tropical Weather Summary Product: Effective
May 15, 2009
Feb 20:
SCN09-10a_tropical_disturbance.pdf
Discontinuation of Special Tropical Disturbance Statements and Beginning of Special Tropical Weather Outlooks: Effective
May 15, 2009
Feb 24:
SCN09-11p-surge.pdf
Series of Probabilistic Hurricane Storm Surge Products Become Operational and Expand in Thresholds: Effective
June 1, 2009
Feb 24:
SCN09-12gtwo_opl.pdf
Atlantic and Eastern Pacific Graphical Tropical Weather Outlooks Become Operational for the
2009 Hurricane Season
Feb 24:
SCN09-13tc_wfg.pdf
Atlantic and Eastern Pacific Tropical Cyclone Wind Field Graphics Become Operational: Effective
May 15, 2009
Apr 10:
SCN09-14tcp_format_changes_cca.pdf
Corrected:
Format Changes to the Tropical Cyclone Public Advisory Products for the Atlantic, Eastern Pacific and Central Pacific Hurricane Basins: Effective
May 15, 2009
Feb 24:
SCN09-15tcp_storm_surge.pdf
Changes to Storm Surge Information in Tropical Cyclone Public Advisories from the National Hurricane Center: Effective
May 15, 2009
Feb 25:
SCN09-16vtec_tsunami.pdf
Operational Implementation of the Valid Time Event Code (VTEC) in NWS Tsunami (TSU) Products: Effective
Tuesday, June 30, 2009
Mar 3:
SCN09-17surf_great_lakes_aaa.pdf
Amended:
Weather Forecast Office (WFO) Duluth, MN to Start Issuing Surf Zone Forecasts (SRF) with Rip Current Information: Effective
June 15, 2009
Feb 27:
SCN09-18vtec_ashfall.pdf
Operational Implementation of Ashfall Warning with Valid Time Event Code (VTEC) in Non-Precipitation Weather Product: Effective
July 6, 2009
Mar 5:
SCN09-19hail_change.pdf
Experimental Criterion Change for Hail Size in Severe Thunderstorm Warning Determination at All Central Region Weather Forecast Offices from Three-Quarter (0.75) Inch to One (1) Inch in Diameter or Larger: Effective by or before
July 1, 2009
Mar 6:
SCN09-20aawu_grap_conv.pdf
Transition from Experimental to Operational Status of the Alaska Aviation Weather Unit Graphical Convective Outlook Product: Effective
April 30, 2009
Mar 11:
SCN09-21tav_discontinued.pdf
Discontinuation of the Travelers Forecast Product: Effective
April 15, 2009
Mar 17:
SCN09-22box_marine_zones.pdf
New Marine Zones for Southern New England Coastal Waters: Effective
July 15, 2009
Mar 19:
SCN09-23lwx_marine_zones_aaa.pdf
Amended:
Changes in Coastal Waters Marine Zones for Portions of the Maryland Chesapeake Bay and Tidal Potomac River: Effective
July 15, 2009
Jul 23:
SCN09-24new_mexico_zones_cca.pdf
Corrected:
New Shapefile Available for Download After
July 20, 2009
for Implementation of Improved Public Zone Coverage for the Northern and Central Portions of New Mexico
Mar 27:
SCN09-25nfdrs_north_dakota.pdf
Addition of One National Fire Danger Rating System Site by the Western North Dakota Weather Forecast Office in Bismarck, ND: Effective
Tuesday, April 28, 2009
Mar 30:
SCN09-26elko_nv_fire_zones.pdf
Changes to the Boundaries of Two Fire Weather Zones in Northern Nevada: Effective
June 1, 2009
Apr 10:
SCN09-27pine_bluff_climate.pdf
Implementation of Climate Information and Record Reports for Pine Bluff, AR: Effective
July 1, 2009
Apr 14:
SCN09-28lwx_akq_zones.pdf
Reminder: Changes in Public Zones, County Warning Areas and Counties, as Used in AWIPS, for NWS Weather Forecast Offices at Baltimore, MD/Washington, DC; Wakefield, VA and Mount Holly, NJ: Effective
July 15, 2009
Apr 15:
SCN09-29cphc_watch_warning.pdf
Change to Issuance Criteria for Tropical Cyclone Watches and Warnings Issued by the Central Pacific Hurricane Center (CPHC): Effective
June 1, 2009
Apr 15:
SCN09-30cphc_fix.pdf
New Tropical Cyclone Fix Bulletin Products and New Product Format for the North Pacific Ocean and South Pacific Ocean: Effective
May 15, 2009
Apr 17:
SCN09-31gjt_lightning_index.pdf
Transition from Experimental to Operational Status of the WFO Grand Junction, CO Lightning Potential Index Graphic: Effective
May 19, 2009
Apr 17:
SCN09-32cr_weekend_graphic.pdf
Transition from Experimental to Operational Status of the Weekend Weather Graphic for NWS Central Region WFOs: Effective
May 19, 2009
Apr 22:
SCN09-33hls_changes.pdf
Changes to the Hurricane Local Statement (HLS) Format: Effective
June 1, 2009
Apr 28:
SCN09-34ewx_bro.pdf
Discontinuation of the South Texas Weather Summary Product (RWSTX) for WFOs Austin/San Antonio and Brownsville, TX: Effective
June 1, 2009
Apr 30:
SCN09-35serfc_wro.pdf
Transition from Experimental to Operational Status of the Southeast River Forecast Center (SERFC) Water Resource Outlook (WRO) Multimedia Briefing: Effective
June 3, 2009
May 6:
SCN09-36wr_hail_exp.pdf
Experimental Criterion Change for Hail Size in Severe Thunderstorm Warning Determination at All Western Region Weather Forecast Offices from Three-Quarter (0.75) Inch to One (1) Inch in Diameter or Larger: Effective
June 1, 2009
May 20:
SCN09-37wireless_op.pdf
NWS Services via Wireless Technologies to be Official: Effective
July 1, 2009
May 27:
SCN09-38ndfd_grib_op.pdf
National Digital Forecast Database (NDFD) User Defined GRIB2 Files to be Official: Effective
July 1, 2009
Jul 23:
SCN09-39ak_mdm_rge_fcst.pdf
Transition from Experimental to Operational Status of the Alaska Medium Range Forecast Discussion and the Alaska Medium Range Mean Sea Level Pressure Graphic Forecasts: Effective
September 1, 2009
Aug 5:
SCN09-40boise_zones_aaa.pdf
Amended:
Implementation Time Changed to 2 pm MDT: Creation of New Public Forecast Zone and Minor Reconfigurations of Other Public Forecast Zone Boundaries in Southwest Idaho and Southeast Oregon: Effective
October 1, 2009
Jul 27:
SCN09-41rofor.pdf
Discontinuation of International Route Forecasts: Effective
September 2, 2009
Sep 30:
SCN09-42riw_zones_aaa.pdf
Amended:
Adjustment of Current Public Forecast Zone Boundaries in Western and Central Wyoming for WFO Riverton, WY: Effective
October 5, 2009
Sep 30:
SCN09-43cys_zones_aaa.pdf
Amended:
Adjustment of Current and Creation of New Public Forecast Zone Boundaries in Much of Wyoming and Western Nebraska for WFO Cheyenne, WY: Effective
October 5, 2009
Aug 6:
SCN09-44updated_fire_zones.pdf
Updated National Fire Weather Forecast Zone Shapefile as of
August 5, 2009
Aug 12:
SCN09-45serfc_gov_delivery.pdf
Transition from Experimental to Operational Status of the Southeast River Forecast Center (SERFC) Gov. Delivery System: Effective
September 16, 2009
Aug 25:
SCN09-46jackson_rec.pdf
Implementation of a Recreational Forecast at the Weather Forecast Office at Jackson, MS: Effective
November 3, 2009
Aug 31:
SCN09-47cr_multimedia_oper.pdf
Transition from Experimental to Operational Status for the Multimedia Weather Briefing at NWS Central Region WFOs: Effective
October 1, 2009
Sep 16:
SCN09-48new_orleans_ccfr.pdf
Addition of Two Locations to the Point Forecast Matrix, Coded Cities Forecast and Tabular State Forecast Products by the New Orleans/Baton Rouge, LA Weather Forecast Office: Effective
Tuesday, December 15, 2009
Oct 1:
SCN09-49wr_fire_wx_web_oper.pdf
Transition from Experimental to Operational Status for Western Region Fire Weather Webpages: Effective
November 2, 2009
Oct 13:
SCN09-50lwx_zone_change.pdf
A Split of Fauquier County, VA into Northern Fauquier and Southern Fauquier Fire and Public Forecast Zones: Effective
January 11, 2010
Nov 16:
SCN09-51wsr-88d_level_2.pdf
Initiation of New WSR-88D Level II Data Streams: Effective
January and June 2010
Dec 4:
SCN09-52_1_inch_hail_oper.pdf
National Change in Minimum Hail Size Criterion for Issuing Severe Thunderstorm Warning (SVR) and Severe Weather Statement (SVS) Products: Effective
January 5, 2010
Dec 8:
SCN09-53tae_zones.pdf
Implementation of Improved Fire and Public Weather Zone Coverage for the Florida Panhandle and Big Bend Counties of the Tallahassee, FL Weather Forecast Office: Effective
April 1, 2010
Dec 17:
SCN09-54wr_wx_story.pdf
Transition from Experimental to Operational Status for Western Region Graphical Weather Story of the Day Webpages: Effective
January 12, 2010
Dec 17:
SCN09-55lsx_fire_zones.pdf
Change in Responsibility for Some Fire Weather Zones/Areas of Responsibility in Southeastern Missouri: Effective
January 11, 2010
2008 Service Change Notices
Feb 20:
SCN08-01aviation_tropical_cca.pdf
Corrected:
Changes to the Aviation Tropical Cyclone Advisory Product: Effective
May 15, 2008
Jan 30:
SCN08-02high_seas_headers.pdf
Headers for Three High Seas Forecasts to be Modified: Effective
Tuesday, July 1, 2008
Feb 1:
SCN08-03trop_cyc_sum_cca.pdf
Corrected:
Changes to the Tropical Cyclone Summary (TCS) Fixes Products: Effective
June 1, 2008
Feb 5:
SCN08-04hls.pdf
Changes to the Hurricane Local Statement (HLS): Effective
June 1, 2008
Feb 5:
SCN08-05npw.pdf
Discontinuation of Tropical Cyclone Watches and Warnings in the Non-Precipitation Watch/Warning (NPW) Product: Effective
June 1, 2008
Feb 8:
SCN08-06fire_wx_dmx.pdf
Implementation of Fire Weather Forecast Service Program at the NWS Des Moines, IA Forecast Office: Effective
March 11, 2008
Feb 8:
SCN08-07fire_wx_gid.pdf
Change of Responsibility of the Rangeland Fire Danger Product (RFD) for Weather Forecast Offices (WFOs) at Omaha and Hastings, NE and Topeka, KS: Effective
March 11, 2008
Feb 25:
SCN08-08spc_4-8.pdf
Dissemination of Areal Outline Product for Storm Prediction Center Day 4-8 Convective Outlook: Effective
March 25, 2008
Feb 27:
SCN08-09opc_offshore.pdf
Changes to the Offshore Waters Forecast for the West Central North Atlantic Continental Shelf and Slope Waters Beyond 20 Nautical Miles (nm) to 250 nm Offshore: Effective
April 1, 2008
Feb 27:
SCN08-10fire_ilx.pdf
Implementation of Fire Weather Forecast Service Program at the Weather Forecast Office at Central Illinois: Effective
Tuesday, April 1, 2008
Feb 27:
SCN08-11fire_iwx.pdf
Implementation of Fire Weather Forecast Service Program at the Weather Forecast Office at North Webster, IN: Effective
Tuesday, April 1, 2008
Feb 27:
SCN08-12fire_fgf.pdf
Addition of Two National Fire Danger Rating System (NFDRS) Sites by the Eastern North Dakota Weather Forecast Office at Fargo, ND: Effective
April 1, 2008
Feb 28:
SCN08-13trop_cyc_epac.pdf
Change to the Tropical Cyclone Public Advisory Product for the Eastern Pacific: Effective
May 15, 2008
Mar 3:
SCN08-14hydro_vtec_oper.pdf
Operational Implementation of Valid Time Event Code (VTEC) in Areal Flood Products Issued by Weather Forecast Offices: Effective
April 17, 2008
Mar 5:
SCN08-15_30_hr_taf.pdf
Format Change for Terminal Aerodrome Forecasts (TAFs) from 24-hour Format to 30-hour Format: Effective
November 5, 2008
Mar 7:
SCN08-16ak_time_zone.pdf
Time Zone Designator Change for Alaska Offices: Effective
June 18, 2008
Mar 11:
SCN08-17fire_wx_calif.pdf
Reconfiguration of Fire Weather Zone Geographic Descriptions, Numbers and Names for the Greater San Francisco and Monterey Bay Areas of California: Effective
April 15, 2008
Mar 11:
SCN08-18tempdrop.pdf
Enhancement to the Tempdrop Message: Effective
May 15, 2008
Mar 17:
SCN08-19wind_prob_08.pdf
Changes to the Maximum 1-minute Wind Speed Probability Product: Effective
May 15, 2008
Mar 17:
SCN08-20text_prob_08.pdf
Changes to Tropical Cyclone Probabilistic Wind Speed Text Products: Effective
May 15, 2008
Mar 18:
SCN08-21text_two.pdf
Change to the Issuance Times for the Eastern Pacific and Atlantic Text Tropical Weather Outlook (TWO) Products: Effective
May 15, 2008 and June 1, 2008
Respectively
Mar 31:
SCN08-22tcv_cca.pdf
Corrected:
New Tropical Cyclone Watch/Warning Services for the Central Pacific: Effective
June 1, 2008
Mar 25:
SCN07-53marine_zones_change_aaa.pdf
Amended:
Changes to the Offshore Marine Zone Boundary in the North Atlantic Ocean: Hudson Canyon to Baltimore Canyon: is Postponed to
June 2, 2008
Mar 26:
SCN08-23fire_wx_nfrds_bis.pdf
Implementation of National Fire Danger Rating System (NFDRS) Service by the Weather Forecast Office at Bismarck, ND: Effective
April 1, 2008
Apr 1:
SCN08-24hydro_vtec.pdf
Adjustments to Plan for Operational Implementation of Valid Time Event Code (VTEC) in Areal Flood Products Issued by Weather Forecast Offices
Apr 3:
SCN08-25drought_statements.pdf
New Drought Information Statements to be Issued by NWS Weather Forecast Offices: Beginning
June 10, 2008
Apr 7:
SCN08-26vtec_cwf.pdf
Discontinuation of the Valid Time Event Code (VTEC) in the Coastal Waters Forecast (CWF) and Nearshore Marine Forecast (NSH): Effective
August 5, 2008
Apr 7:
SCN08-27mww.pdf
Operational Implementation of the Marine Weather Message (MWW): Effective
August 5, 2008
Apr 16:
SCN08-28tcv_calif.pdf
Tropical Cyclone Watch/Warning Product (TCV) to be Issued for Southern California Coast: Effective
May 15, 2008
Apr 17:
SCN08-29spc_3-8_fire.pdf
Dissemination of Areal Outline Product for Storm Prediction Center Day 3-8 Fire Weather Outlook: Effective
May 20, 2008
Apr 17:
SCN08-30tml_removal.pdf
Removal of Tracking Information Line (TIME, MOT, LOC) from Flash Flood and Areal Flood Products: Effective
July 1, 2008
Apr 18:
SCN08-31fire_wx_idaho.pdf
Changes to the Boundaries of the Fire Weather Zones in Southeast Idaho: Effective
May 8, 2008
Apr 21:
SCN08-32vtec_cwf.pdf
Discontinuation of the Valid Time Event Code (VTEC) for Tropical Cyclone Watches and Warnings in the Coastal Waters Forecast (CWF): Effective
June 1, 2008
Apr 25:
SCN08-33storm_surge.pdf
Storm Surge Probability Greater Than Five Feet to Become an Official Product: Effective
June 1, 2008
Apr 30:
SCN08-34matagorda_zone.pdf
Implementing Improved Marine Zone Coverage Across Matagorda Bay, TX: Effective
June 3, 2008
May 5:
SCN08-35ffw_svr_aaa.pdf
Amended:
To Postpone Indefinitely the Issuance of Combined Severe Thunderstorm and Flash Flood Warnings in the Western United States
May 5:
SCN08-36mww_cta_marker.pdf
New Call to Action (CTA) Markers in the Operational Marine Weather Message (MWW): Effective
August 5, 2008
May 8:
SCN08-37hls_vtec.pdf
Addition of the Valid Time Event Code (VTEC) (S) Significance Code to the Hurricane Local Statement (HLS): Effective
June 15, 2008
May 9:
SCN08-38wr_marine_zones.pdf
Marine Zone Reconfiguration for Washington Coastal Waters and Far Northern California Coastal Waters to Evaluate Use of Smaller Nearshore Zones: Effective
July 8, 2008
Sep 15:
SCN08-39lox_zones_aaa.pdf
Amended:
Changes to the Boundaries of Some of the Fire and Public Weather Zones in Los Angeles County, CA: Effective
September 16, 2008
May 12:
SCN08-40winter_wx_simplification.pdf
Restructuring of Some NWS Winter Weather Advisory and Warning Products: Effective
September 9, 2008
May 22:
SCN08-41flagstaff_zones.pdf
Realignment of Fire Weather Zones to Correspond to Existing Public Forecast Zones for WFO Flagstaff, AZ (FGZ): Effective
June 25, 2008
Jun 16:
SCN08-42flood_maps_tx_aaa.pdf
Amended:
New Flood Inundation Maps for Locations in Southeast Texas Reduced from Five to Four: Effective
Friday, June 30, 2008
Jun 4:
SCN08-43sju_marine_zone.pdf
Implementing Improved Marine Zone Coverage Across the Coastal Waters of Puerto Rico and the United States Virgin Islands: Effective
October 1, 2008
Jun 4:
SCN08-44lch_marine_zones.pdf
Implementation of Marine Zone Coverage for Inland Sabine Lake, Calcasieu Lake and Vermilion Bay, TX: Effective
October 1, 2008
Jun 24:
SCN08-45for_wsom_cd.pdf
Format Change to the Latitude/Longitude Information in Storm Prediction Center Mesoscale Discussions: Effective
October 21, 2008
Jul 11:
SCN08-46_30_hr_taf.pdf
Reminder: Format Change for Terminal Aerodrome Forecasts (TAFs) from 24-hour Format to 30-hour Format: Effective
November 5, 2008
Jul 21:
SCN08-47maf_rec.pdf
Implementation of a Recreational Forecast at Weather Forecast Office in Midland/Odessa, TX: Effective
Wednesday, October 1, 2008
Jul 23:
SCN08-48duluth_surf.pdf
NWS Weather Forecast Office in Duluth, MN will Begin Issuing Surf Zone Forecasts with Rip Current Information: Effective
Friday, August 1, 2008
Aug 4:
SCN08-49mww.pdf
Delay in Simultaneous Discontinuation of Valid Time Event Code in Coastal Waters and Nearshore Marine Forecasts and Implementation of Marine Weather Message Product
Aug 5:
SCN08-50cta_markers.pdf
Operational Implementation of Call-to-Action Markers in Watch/Warning/Advisory and Follow-up Statements: Beginning
February 11, 2009
Aug 12:
SCN08-51vtec_phenomena_codes.pdf
Changes to Three Valid Time Event Code (VTEC) Phenomena Codes: Phase-in Begins on
September 29, 2008
and Ends on
November 4, 2008
Aug 25:
SCN08-52great_lakes.pdf
The Experimental Great Lakes Port Forecast Product will No Longer be Issued: Effective
October 1, 2008
Aug 25:
SCN08-53fire_xtr_florida.pdf
Transfer of Fire Weather Forecast Responsibility for Florida Fire Zone 008 (Coastal Walton) to WFO Tallahassee, FL: Effective
November 19, 2008
Aug 27:
SCN08-54flood_maps_3.pdf
New Flood Inundation Maps in Texas and Louisiana: Effective
Tuesday, September 30, 2008
Sep 17:
SCN08-55_30_hr_taf_test_sep.pdf
Reminder: Format Change for Terminal Aerodrome Forecasts (TAFs) from 24-hour Format to 30-hour Format: Effective
0000 UTC November 5, 2008
Dec 10:
SCN08-56enso_aaa.pdf
Amended:
New El Niño Southern Oscillation (ENSO) Alerts to be Included as Needed in the ENSO Diagnostic Discussion: Effective
December 11, 2008
Oct 28:
SCN08-57oper_tpex.pdf
Transition from Experimental to Operational Status of the Tabular Product Evolution in eXtensible Markup Language (TPEX) Products: Effective
December 9, 2008
Nov 3:
SCN08-58fire_wx_gfdi.pdf
Implementation of New Grassland Fire Danger Index Product/Service Issued by the Weather Forecast Office (WFO) at Wichita, KS: Effective
December 9, 2008
Nov 5:
SCN08-59oprl_tpex.pdf
Changes to the Selected Cities Forecast Products (SCS): Effective
January 13, 2009
Nov 17:
SCN08-60ewx_rtp.pdf
Implementation of a Maximum/Minimum Temperature and Precipitation Table Product at the Weather Forecast Office at Austin/San Antonio, TX: Effective
Wednesday, January 28, 2009
Nov 17:
SCN08-61w_coast_marine_zones.pdf
Marine Zone Reconfiguration for Coastal Waters from Washington to Central California to Evaluate Use of Smaller Nearshore Zones: Effective
April 1, 2009
Nov 17:
SCN08-62global_tropics_forecast.pdf
Global Tropics Hazards/Benefits Assessment to Become Official on
Monday, December 22, 2008
Dec 17:
SCN08-63mob_pfm_cca.pdf
Corrected:
Revised Point Forecast Matrices Product for Mobile, AL: Effective
March 4, 2009
Dec 17:
SCN08-64rfw_change_ob9.pdf
Change in the Mass News Disseminator Product Type for Fire Weather Watch/Red Flag Warning Products: Effective with AWIPS Software Operational Build 9
Dec 2:
SCN08-65arx_fire.pdf
Expansion of Fire Weather Service by Weather Forecast Office in La Crosse, WA to Include Eight Counties in Northeast Iowa: Effective
February 3, 2009
2007 Service Change Notices
Jan 25:
SCN07-01extr_wind_warning.pdf
New Product Type Line and Product Identifiers for Extreme Wind Warning (EWW) Product: Effective
June 1, 2007
Feb 7:
SCN07-02miami_zone_chg_cca.pdf
Corrected:
Implementation of Improved Zone Coverage for Palm Beach, Broward, Miami-Dade and Collier Counties in South Florida: Effective
May 31, 2007
Feb 22:
SCN07-03trop_cycl_guidance_msg.pdf
Changes to the Tropical Cyclone Guidance Message (WHXX01): Effective
May 15, 2007
Feb 22:
SCN07-04nha_sched_mod.pdf
Modification to Issuance Schedule for the National Hydrologic Assessment: Effective
March 9, 2007
Feb 22:
SCN07-05day_4-8_severe_outlook.pdf
New Day 4-8 Severe Outlook for CONUS from the Storm Prediction Center (SPC): Effective
March 22, 2007
Feb 26:
SCN06-36slc_zone_chg_aaa.pdf
Amended:
Reconfiguration of WFO Salt Lake City, UT (SLC) Public Forecast Zones and Zone Numbers for Northern, Central and Southern Utah: Effective
May 31, 2007
Mar 9:
SCN07-06awips_build_changes.pdf
Changes in Area Forecast Matrices, Point Forecast Matrices, State Forecast Products and Zone Forecast Product: Effective with AWIPS Build 7.2
Mar 7:
SCN07-07aviation_trop_cycl_adv.pdf
Enhancement to Aviation Tropical Cyclone Advisory Product: Effective
May 15, 2007
Mar 16:
SCN07-08vortex_data_msg_cca.pdf
Corrected:
Enhancement to the VORTEX Data Message Product: Effective
May 15, 2007
Mar 7:
SCN07-09high_density_obsv_data.pdf
New Products and New Format for Tropical Cyclone High Density Observation Data from National Oceanic and Atmospheric Administration (NOAA) P-3 Aircraft: Effective on
June 1, 2007
Mar 7:
SCN07-10dod_hdob.pdf
Data and Product Changes from Department of Defense (DoD) WC-130J Reconnaissance Aircraft: Effective
June 1, 2007
Mar 15:
SCN07-11fire_public_realign_gsp_and_lox.pdf
Realignment of Fire Weather Zones to Correspond to Existing Public Forecast Zones for WFO Greenville-Spartanburg, SC (GSP) and WFO Los Angeles/Oxnard, CA (LOX): Effective
April 17, 2007
Mar 16:
SCN07-12hydro_vtec_risk_reductn.pdf
Inclusion of Experimental Valid Time Event Code (VTEC) in Areal Flood Products Issued by Select Weather Forecast Offices: Effective
April 2, 2007
Mar 16:
SCN07-13exprmentl_hydro_vtec.pdf
Nationwide Implementation of Experimental Valid Time Event Code (VTEC) in Flood Products for Forecast Points: Effective
June 5, 2007
Mar 16:
SCN07-14fire_wx_far_west_texas.pdf
Addition of Fire Weather Forecast and Fire Weather Warning Products for the Far West Texas Counties of El Paso and Hudspeth: Effective
April 17, 2007
Apr 2:
SCN07-15zone_chg_or_wa.pdf
Boundary Changes of Public Weather Zones in Washington and Oregon: Effective
August 1, 2007
Apr 6:
SCN07-16post_trop_cycl_report.pdf
Enhancement to the Post Storm Tropical Cyclone Report (PSH): Effective
June 1, 2007
Apr 6:
SCN07-17trop_cycl_watch_warning.pdf
Tropical Cyclone Watch/Warning Product (TCV) to Become Operational: Effective
June 1, 2007
Jul 13:
SCN07-18ahps_enhance_aab.pdf
Amended:
Enhancements to Advanced Hydrologic Prediction Service Webpages: Effective Date of July 18, 2007 Postponed: New Date
July 25, 2007
Apr 16:
SCN07-19vtec_hard_freeze_awips_7.2_cca.pdf
Corrected:
Addition of Valid Time Event Codes for Hard Freeze Watches and Warning: Effective with AWIPS Build 7.2
Apr 16:
SCN07-20upper_air_comms_id_tuscon.pdf
Communications Identifier Changes for Upper-Air Products from WFO Tucson (TWC), AZ: Effective
May 29, 2007
Apr 24:
SCN07-21haz_assmnt_sched.pdf
Change in Scheduled Release Date for the U.S. Hazards Assessment: Effective
Monday, May 21, 2007
May 4:
SCN07-22drought_outlook_sched_cca.pdf
Corrected:
Increased Frequency of Scheduled Issuances of U.S. Drought Outlooks: Effective
June 7, 2007
May 3:
SCN07-23trckg_wrng.pdf
Nationwide Implementation of New Tracking Line on Short Duration Warnings and Statements Beginning
July 16, 2007
May 7:
SCN07-24fire_wx_indianapolis_cca
.pdf
Corrected:
Implementation of Fire Weather Forecast Service Program at the Weather Forecast Office (WFO) at Indianapolis, IN: Effective
Monday, June 4, 2007
May 8:
SCN07-25fire_wx_sheridan_wy.pdf
Transfer of Fire Weather Responsibility for Sheridan County, WY From the Weather Forecast Office (WFO) at Riverton, WY to WFO Billings, MT: Effective
July 17, 2007
May 9:
SCN07-26day_3-8_fire_wx_outlook.pdf
New Day 3-8 Fire Weather Outlook for CONUS from the Storm Prediction Center (SPC): Effective
June 12, 2007
May 14:
SCN07-27pr_vi_tsunami_prod.pdf
Puerto Rico and the US Virgin Islands to be Added to Existing Suite of Tsunami Products: Effective
June 14, 2007
May 17:
SCN07-28fire_zone_split_wa_and_or.pdf
Changes to Fire Weather Zone Boundaries in Washington and Oregon: Effective
June 1, 2007
May 21:
SCN07-29air_quality_alert.pdf
New Product Type Line and Product Identifiers for Air Quality Alert Message (AQA) Product: Effective
May 30, 2007
May 22:
SCN07-30alaska_marine_zone_chg.pdf
Modifications to the Offshore Marine Zone Boundaries in the Bering Sea and Gulf of Alaska West of 144W: Effective
October 2, 2007
May 22:
SCN07-31me_and_nh_marine_zone_chg.pdf
Changes in Coastal Waters Marine Zones for Portions of Maine and New Hampshire: Effective
October 2, 2007
May 23:
SCN07-32calif_marine_zone_chg.pdf
Marine Zone Reconfiguration: California Coastal Waters from Point Arena to Point Piedras Blancas, CA Out to 20 Nautical Miles (nm): Effective
October 2, 2007
May 23:
SCN07-33florida_marine_zone_change.pdf
Reconfiguration of Weather Forecast Office (WFO) Melbourne Marine Zone Boundaries for East Central Florida between Flagler Beach and Jupiter Inlet, FL: Effective
December 4, 2007
May 24:
SCN07-34downeast_me_marine_zone_chg_cca.pdf
Corrected:
Changes in Coastal Waters Marine Zones for Portions of Downeast Maine: Effective
October 2, 2007
May 23:
SCN07-35tsunami_south_china_sea.pdf
Tsunami Products for the Pacific to Include the South China Sea: Effective
June 27, 2007
May 23:
SCN07-36tsunami_indian_ocean.pdf
New Tsunami Products Available for the Indian Ocean: Effective
June 27, 2007
May 25:
SCN07-37tsunami_caribbean.pdf
New Tsunami Products Available for the Caribbean: Effective
June 27, 2007
Sep 27:
SCN07-38great_lakes_marine_zone_chg_aaa.pdf
Amended:
Changes in Great Lakes Marine Zones and Universal Geographic Codes: Effective
October 2, 2007
Jun 1:
SCN07-39segmented_great_lakes.pdf
The Great Lakes Open Lake Forecast (GLF) Changes from a Non-Segmented to Segmented Format: Effective
October 2, 2007
Jun 6:
SCN07-40tab_state_forecast_atlanta.pdf
Changes to WFO Atlanta, GA Tabular State Forecast Product: Effective
July 17, 2007
Jun 29:
SCN07-41aviation_area_forecast_chg_cca.pdf
Corrected:
Changes to Domestic and Gulf of America Aviation Area Forecasts: Effective
July 17, 2007
Jun 18:
SCN07-42winter_wx_juneau.pdf
Changes to Winter Weather and Non-Precipitation Weather Products Issued by WFO Juneau, AK; WSO Yakutat, AK and WSO Annette, AK: Effective
September 5, 2007
Jun 21:
SCN07-43missoula_addtn_select_cities_cca.pdf
Corrected:
Addition of Missoula, MT (MSO) to the Selected Cities Weather Summary and Forecast Bulletin: Effective
September 5, 2007
Jun 21:
SCN06-31guam_time_zone_chg_aaa
.pdf
Amended:
Time Zone Designator Change for WFO Guam: Effective
August 7, 2007
Jun 27:
SCN07-44tweb_termination.pdf
Termination of CONUS Transcribed Weather Broadcast (TWEB) Forecasts: Effective
September 30, 2007
Jul 8:
SCN07-45exp_graph_airmet.pdf
Aviation Weather Center (AWC) Experimental Graphical AIRMET Web Interface: Effective
Immediately Through
August 31, 2007
Jul 12:
SCN07-46north_tx_forecast_prod.pdf
North Texas State Forecast Product Change: Effective
October 3, 2007
Jul 17:
SCN07-47aviation_area_forecast_gulf_mex.pdf
Changes to Domestic and Gulf of America Aviation Area Forecasts: Effective
January 17, 2008
Jul 20:
SCN07-48sigmet_format_chg.pdf
Format Change for Oceanic SIGMETs Issued by the Aviation Weather Center (AWC): Effective
November 7, 2007
Aug 27:
SCN07-49wind_chill_outlook.pdf
New 6- to 10-Day and 8- to 14-Day Minimum Wind Chill Index Outlooks: Beginning
December 28, 2007
Oct 19:
SCN07-50flood_map_nc_aaa.pdf
Amended:
New Advanced Hydrologic Prediction Service (AHPS) Flood Inundation Maps: Effective
Monday, October 22, 2007
Oct 11:
SCN07-51tsunami_cca.pdf
Corrected:
Change to Tsunami Warning, Watch, Advisory and Information Statement Definitions for Products Issued by the West Coast/Alaska Tsunami Warning Center: Effective
February 12, 2008
Sep 19:
SCN07-51a_precip_grid.pdf
Change in Grid Reference Location on AHPS Observed Precipitation Geospatial Data Files (Shapefiles): Starting
October 17, 2007
Oct 16:
SCN07-52wap.pdf
Implementation of Operational Web-Based Weather Activity Planner: Effective
November 15, 2007
Mar 25, 2008:
SCN07-53marine_zones_change_aaa.pdf
Amended:
Changes to the Offshore Marine Zone Boundary in the North Atlantic Ocean: Hudson Canyon to Baltimore Canyon: Postponed to
June 2, 2008
Oct 17:
SCN07-54colorado_hydro.pdf
Adjustments to Services Provided to the Denver/Boulder, CO Hydrologic Service Area
Nov 19:
SCN07-55adds_medford.pdf
Medford, OR Weather Forecast Office Adds Two New Marine Zones: Effective
Tuesday, April 1, 2008
at 0000 Coordinated Universal Time (UTC)
Nov 21:
SCN07-56hnx_rec_fcst.pdf
Implementation of a Recreational Forecast at the Weather Forecast Office at Hanford, CA: Effective
Wednesday, January 2, 2008
Nov 30:
SCN07-57calif_zone_change.pdf
Reconfiguration of Public Forecast Zones and Zone Numbers for the Greater Monterey Bay Area of California: Effective
April 1, 2008
Dec 12:
SCN07-58trop_haz.pdf
Experimental Global Tropics Benefits/Hazards Assessment to be Issued on Mondays: Effective
December 17, 2007
Dec 13:
SCN07-59little_rock_climate.pdf
Implementation of Climate Information and Record Reports for Harrison, AR: Effective
March 3, 2008
2006 Service Change Notices
Jan 6:
SCN06-01zone_chg_gsp_cca.pdf
Corrected:
Zone Forecast Boundary Changes for Parts of the North Carolina Foothills: Effective
May 9, 2006
Jan 26:
SCN06-02hydro_chg_vtec_ccb.pdf
Corrected:
Update on Upcoming Changes in Hydrologic Product Formats: Delay in Implementation of VTEC for Certain Hydrologic Products
Mar 30:
SCN06-03usaf_hdob_aaa.pdf
Amended
: New Products for United States Air Force High Density Observation Data from Tropical Cyclone WC-130J Reconnaissance Aircraft: Effective
June 1, 2007
Jan 25:
SCN06-04public_tsunami.pdf
New Public Tsunami Products: Effective
Friday, January 27, 2006
Jan 25:
SCN05-42ridge_radar_display_aaa.pdf
Amended:
Operational Implementation of Ridge Radar Displays and Discontinuance of Current NWS Radar Imagery: Effective
February 21, 2006
Jan 31:
SCN06-05tpc_hpc.pdf
Changes to Tropical Cyclone Public Advisory Products Issued by the Hydrometeorological Prediction Center (HPC): Effective
May 15, 2006
Feb 8:
SCN06-06trop_exp_to_oper.pdf
Changes in Tropical Cyclone Probabilistic Products: Effective
May 15, 2006
Feb 8:
SCN06-07cwd_operational.pdf
New Tropical Cyclone Product: Effective
May 15, 2006
Mar 13:
SCN06-08mass_news_blk_chg_cca.pdf
Corrected:
Change to Mass News Media Disseminator Header Block for Six Tropical Cyclone Products: Effective
May 15, 2006
Feb 16:
SCN06-09sd_fire_zones_cca.pdf
Corrected:
Addition of Three New Fire Weather Zones Issued by WFO Sioux Falls, SD: Effective
February 28, 2006
Feb 14:
SCN06-10hydro_vtec_update.pdf
Risk Reduction Activity for Inclusion of VTEC in Flood Warnings, Watches and Advisories for Forecast Points: Beginning
April 4, 2006
Mar 30:
SCN06-11backup_usaf_hdob_aaa.pdf
Amended:
New Backup Products for Dissemination of United States Air Force High Density Observation Data from Tropical Cyclone WC-130J Reconnaissance Aircraft: Effective
June 1, 2007
Mar 13:
SCN06-12aberdeen_fire_zone.pdf
Implementation of Fire Weather Zones Issued by WFO Aberdeen, SD: Effective
March 30, 2006
May 26:
SCN06-13calif_fire_zone_chg_cca.pdf
Corrected:
Changes to the Boundaries of the Fire Weather Zones in California: Effective
May 12, 2006
Mar 13:
SCN06-14nev_fire_zone_chg.pdf
Changes to the Boundaries of the Fire Weather Zones in Nevada: Effective
Monday, May 1, 2006
Mar 20:
SCN06-15ca_public_zone_change.pdf
Public Forecast Zone Boundary Modifications in Southern California: Effective
June 30, 2006
May 2:
SCN06-16vortex_messages_cca.pdf
Corrected:
Change to VORTEX Data Message Product Format: Effective on or after
June 1, 2006
Apr 6:
SCN06-17san_diego_fire_zone_name_chg.pdf
Changes to the Names of Some Fire Weather Zones in California: Effective
May 1, 2006
Apr 19:
SCN06-18spc_watch_prob_cca.pdf
Corrected:
New Convective Watch Hazard Probabilities Product from the Storm Prediction Center to be Added to the Suite of NWS Watch Products for CONUS Use Only: Effective
April 25, 2006
Apr 18:
SCN06-19spc_fire_wx_areal_outline_cca.pdf
Corrected:
New Fire Weather Outlook Areal Outline Products from the Storm Prediction Center for CONUS Use Only: Effective
May 2, 2006
May 10:
SCN06-20no_cal_fire_zone_chg.pdf
Changes to the Boundaries of Some Northern Interior California Fire Weather Zones: Effective
June 1, 2006
May 17:
SCN05-35key_west_id_chg_aac.pdf
Amended:
Communications Identifier Changes for WFO Key West, FL: Effective Date Changed to
Thursday, May 18, 2006
May 18:
SCN06-21tpc_time_format_chg.pdf
Change in Time Format Used in the Tropical Cyclone Forecast/Advisory (TCM) and the Aviation Tropical Cyclone Advisory (TCA) Products: Effective
June 29, 2006
May 23:
SCN06-22ccf_cities.pdf
Addition of Saint Petersburg, FL (SPG) to the Coded Cities Forecast (CCF) and to the Selected Cities Weather Summary and Forecast Bulletin (SCS): Effective
August 8, 2006
Jun 20:
SCN06-23hydro_vtec_operational.pdf
Operational Implementation of VTEC in Weather Forecast Office (WFO) Flood Products for Forecast Points: Effective
October 18, 2006
Jun 23:
SCN06-24exp_3-month_temp_cca.pdf
Corrected:
Experimental NWS Local Three-Month Temperature Outlooks to be Issued on Third Thursday of the Month: Effective
July 20, 2006
Jun 27:
SCN06-25non-tech_winter_low_track_graphic.pdf
Changes in HPC Non-Technical Winter Low Track Web Graphic: Effective
September 15, 2006
Jul 14:
SCN06-26key_west_upper_air_id_chg.pdf
Communications Identifier Changes for WFO Key West, FL (KEY) Upper-air Products: Effective
September 26, 2006
Jul 19:
SCN06-27full_fire_wx_ks_ne_ia_pdf
Implementation of Full Fire Weather Forecast Service Program for Most of Kansas, Eastern Nebraska and Western Iowa: Effective
October 3, 2006
Jul 19:
SCN06-28fire_wx_st_louis_mo.pdf
Implementation of Fire Weather Forecast Service Program at WFO Saint Louis, MO: Effective
October 2, 2006
Aug 3:
SCN06-29hurr_local_stmt_shrvprt.pdf
Issuance of Hurricane Local Statements (HLS) by the Shreveport, LA Weather Forecast Office (WFO): Effective On or After
August 22, 2006
Sep 15:
SCN06-30_3-mon_temp_outlook_aaa.pdf
Amended:
The Effective Date for the Local Three-month Temperature Outlooks Becoming Official has been Delayed Until
Thursday, January 18, 2007
Jun 21, 2007:
SCN06-31guam_time_zone_chg_aaa.pdf
Amended:
Time Zone Designator Change for WFO Guam: Effective
August 7, 2007
Sep 25:
SCN06-32tsunami_mnd_hdr.pdf
Mass News Disseminator (MND) Header Block to be Implemented for Several Tsunami Products: Effective
October 31, 2006
Sep 26:
SCN06-33aval_slc_comms_id.pdf
Communications Identifier Changes for WFO Salt Lake City, UT (SLC) Avalanche Products: Effective
November 1, 2006
Oct 11:
SCN06-34zone_chg_wv_and_va.pdf
Zone Boundary Changes for Parts of Western Maryland and Eastern West Virginia: Effective
November 15, 2006
Oct 23:
SCN06-35selected_cities_nyc.pdf
Change of Source of Information for Forecasts and Observations in the Selected Cities Summary for New York City, NY: Effective
February 1, 2007
Feb 26, 2007:
SCN06-36slc_zone_chg_aaa.pdf
Amended:
Reconfiguration of WFO Salt Lake City, UT (SLC) Public Forecast Zones and Zone Numbers for Northern, Central and Southern Utah: Effective
May 31, 2007
Dec 1:
SCN06-37wx_safety_planner_aaa.pdf
Amended:
Experimental Web-based Weather Activity Planner: Effective
December 7, 2006
Nov 16:
SCN06-38long_island_marine_zone_chg.pdf
Changes in Coastal Waters Marine Zones for Portions of Long Island, NY: Effective
April 3, 2007
Nov 16:
SCN06-39climate_info_ms.pdf
New Climate Information and Record Reports for Locations in Mississippi: Effective
February 5, 2007
Nov 17:
SCN06-40guam_coastal_hazard.pdf
Changes to Coastal Hazard Message Products for Guam and the Northern Mariana Islands: Effective
Wednesday, February 14, 2007
Nov 17:
SCN06-41guam_small_craft_adv.pdf
Changes to Small Craft Advisory Criteria for Guam and the Northern Mariana Islands: Effective
Wednesday, February 14, 2007
Nov 30:
SCN06-42guam_surf_zone_forecast_cca.pdf
Corrected:
Changes to the Surf Zone Forecast and Tide Data Products for Guam and the Northern Mariana Islands: Effective
Wednesday, February 14, 2007
Nov 22:
SCN06-43id_chg_las_vegas_avalanche.pdf
Communications Identifier Changes of WFO Las Vegas, NV (VEF) Avalanche Product: Effective
February 21, 2007
Nov 30:
SCN06-44marine_zone_change_fla.pdf
Implementing Improved Marine Zone Coverage Across the Coastal Waters from Suwannee River to Destin, FL: Effective
April 3, 2007
Dec 19:
SCN06-45hydro_summ_terminate.pdf
Termination of National Hydrologic Summary: Effective
January 31, 2007
Dec 21:
SCN06-46ugc_chg_avalanche.pdf
Universal Geographic Code (UGC) Change for Avalanche Watches/Warnings in Certain Mountainous Areas: Effective
Immediately
2005 Service Change Notices
Jan 28:
SCN04-45vtec_aab.pdf
Amended:
Operational Implementation of the Valid Time Event Code (VTEC) in Most NWS Event-Driven Products: Effective
February 8, 2005
Except Effective
March 16, 2005
for WFO Anchorage, AK
Jan 31:
SCN05-01rva_kansas_city.pdf
Hydrologic Product for Reservoir Information Issued by NOAA/NWS Forecast Office Kansas City/Pleasant Hill, MO in Central Region: Effective
February 1, 2005
Feb 7:
SCN05-02marine_zone_chg_ak.pdf
Modifications to the Marine Zone Boundaries in the Arctic Coastal Waters in Alaska: Effective
June 1, 2005
at 0000 UTC
Mar 25:
SCN05-03mi_marine_trnsfr_cca.pdf
Corrected:
Change of Responsibility of Marine Service in Southeast Lake Michigan and New Marine Product Identifiers on
Tuesday, May 24, 2005
Feb 23:
SCN05-04marine_zone_chg_seattle.pdf
Marine Zone Name Changes for Northern and Central Washington Coastal and Inland Waters: Effective
Thursday, June 23, 2005
Feb 24:
SCN05-05inland_rename.pdf
Renaming of Tropical Cyclone Watch/Warning Product for Inland Areas: Effective
June 1, 2005
at
5 AM EDT
Feb 24:
SCN05-06id_chng_tce_tcu.pdf
Changes in Product Identifiers for Tropical Cyclone Position Estimate and Tropical Cyclone Update Products: Effective
June 1, 2005
at 5 am EDT
Feb 25:
SCN05-07fire_zone_change.pdf
Fire Weather Zone Boundary Modification in North Central Oregon and Southeast Washington: Effective
April 1, 2005
Mar 3:
SCN05-08grand_rapids_fire_zone_chg.pdf
Assumption of Fire Weather Program at WFO Grand Rapids, MI and Associated Implementation of a Suite of Fire Weather Products: Effective
March 15, 2005
Mar 3:
SCN05-09gaylord_fire_zone_chg.pdf
Change of Fire Weather Responsibility and Fire Weather Zones at WFO Gaylord, MI: Effective
March 15, 2005
Mar 4:
SCN05-10_nm_fire_wx_zone_chg.pdf
Changes to the Boundaries of the Fire Weather Zones in New Mexico: Effective
April 28, 2005
Mar 4:
SCN05-11_fire_wx_guam.pdf
Implementation of Fire Weather Program at WFO Guam and Associated Suite of Fire Weather Products: Effective
June 1, 2005
Mar 4:
SCN05-12fire_wx_detroit.pdf
Assumption of Fire Weather Program at WFO Detroit, MI and Associated Implementation of a Suite of Fire Weather Products: Effective
April 19, 2005
Mar 9:
SCN05-13albemarle_marine_zone_chg.pdf
Modifications to the Marine Zone Boundary in the Albemarle Sound, NC: Effective
Wednesday, July 13, 2005
at 0000 UTC
Mar 23:
SCN05-14cfw_products.pdf
Change in Product Type Line for a Key Coastal/Lakeshore Product: Phase-in Begins in
Late June 2005
Apr 4:
SCN05-15hazardous_seas.pdf
Small Craft Advisory for Hazardous Seas: A New Headline: Effective
Tuesday, August 2, 2005
at 0000 UTC
Apr 20:
SCN05-16tsunami_change.pdf
New Tsunami Program and Watch and Warning Products Available for Gulf and Eastern Coast United States: Effective
April 20, 2005
Jun 9:
SCN05-17gaylord_fire_zones.pdf
Change of Fire Weather Zones Issued by WFO Gaylord, MI: Effective
July 5, 2005
Jun 15:
SCN05-18detroit_fire_zones_cca.pdf
Corrected:
Change of Fire Weather Zones Issued by WFO Detroit, MI: Effective
July 5, 2005
Jun 9:
SCN05-19grand_rapids_fire_zones.pdf
Change of Fire Weather Zones Issued by WFO Grand Rapids, MI: Effective
July 5, 2005
Jun 14:
SCN05-20montana.pdf
Public Zone Boundary Changes in Missoula, MT Area of Responsibility: Effective
August 31, 2005
Jun 16:
SCN05-21hurr_local_stmnt_ccb.pdf
Corrected:
Issuance of Hurricane Local Statements (HLS) by Inland Weather Forecast Offices (WFOs)
Jun 23:
SCN05-22zone_change_ca.pdf
Reconfiguration of Public Forecast Zones for the Greater San Francisco and Monterey Bay Areas of California: Effective
October 20, 2005
Jun 28:
SCN05-23small_craft_adv.pdf
NWS Weather Forecast Offices with Marine and Coastal Responsibilities May Issue up to Four Types of Small Craft Advisory Headlines in the Coastal Waters Forecast (CWF) and Nearshore Marine Forecast (NSH): Beginning on
Tuesday, November 1, 2005
at 0000 UTC
Oct 25:
SCN05-24vtec_update_aaa.pdf
Updated:
Operational Implementation of the Valid Time Event Code (VTEC) in Seven NWS Event-Driven Products and Two Routine Marine Products: Effective
November 1, 2005
Jun 30:
SCN05-25oper_wbc.pdf
Operational Watch by County Products: Effective
November 1, 2005
Jun 30:
SCN05-26discontinue.pdf
Discontinuation of Convective Watch Product: Effective
November 1, 2005
Jun 30:
SCN05-27air_stagntn.pdf
Product Category Change for Air Stagnation Advisories: Effective
November 1, 2005
Jun 30:
SCN05-28hydro_vtec.pdf
Follow-up to Service Change Notice 04-56: Implementation of VTEC in Hydrologic Products
Jul 22:
SCN05-29pndletn_zone_chg.pdf
Reconfiguration of Some Public Forecast Zones Issued by WFO Pendleton, OR: Effective
November 15, 2005
Jul 27:
SCN05-30hrcn_rpt.pdf
Issuance of Post-Storm Hurricane Reports (PSH) by Inland Weather Forecast Offices (WFOs): Effective
August 10, 2005
Jul 27:
SCN05-31lch_marine_zns.pdf
Implementing Improved Marine Zone Coverage Across Coastal Waters from the Lower Atchafalaya River, LA to Cameron, LA, Out 60 Nautical Miles: Effective
December 1, 2005
Aug 9:
SCN05-32sid_tstm_chg.pdf
Change in Site Location Identifiers in Severe Thunderstorm and Tornado Watch Bulletins: Effective
October 25, 2005
Aug 31:
SCN05-33medford_zone_chg.pdf
Changes in Coastal Waters Marine Zones between Florence and Cape Blanco, OR: Effective
January 10, 2006
Sep 8:
SCN05-34qpf_day2_3.pdf
Change to Day 2 and Day 3 Quantitative Precipitation Forecast (QPF) and Discussion Times: Effective
October 11, 2005
May 17, 2006:
SCN05-35key_west_id_chg_aac.pdf
Amended:
Communications Identifier Changes for WFO Key West, FL: Effective Date Changed to
Thursday, May 18, 2006
Sep 19:
SCN05-36brownsville_zn_chg.pdf
Implementing Improved Marine Zone Coverage Across Coastal Waters from Baffin Bay, TX to the Mouth of the Rio Grande, TX: Effective
January 11, 2006
Sep 30:
SCN05-37modified_lsr_format.pdf
Modified Preliminary Local Storm Report Format: Effective
February 8, 2006
Oct 18:
SCN05-38watch_saw_chg.pdf
Removal of Obsolete Latitude/Longitude Information from the Storm Prediction Center Public Watch Product (SEL) and Addition of Enhanced Latitude/Longitude Information in the Aviation Watch Product (SAW): Effective
February 14, 2006
Oct 18:
SCN05-39outlook_points_chg.pdf
Removal of the Areal Description Relative to Anchor Points in Storm Prediction Center Severe Weather Outlook Products for Days 1 and 2: Effective
February 14, 2006
Oct 26:
SCN05-40hydro_xfer_meg.pdf
Transfer of Hydrologic Services from Memphis, TN WFO to Jackson, MS WFO: Effective
November 30, 2005
Nov 2:
SCN05-41seattle_zn_chg.pdf
Reconfiguration of Public Forecast Zones and Zone Numbers for Western Washington: Effective
February 28, 2006
Jan 25, 2006:
SCN05-42ridge_radar_display_aaa.pdf
Amended:
Operational Implementation of Ridge Radar Displays and Discontinuance of Current NWS Radar Imagery: Effective
February 21, 2006
Dec 8:
SCN05-43hfo_ghg_vtec.pdf
Honolulu Weather Forecast Office (WFO) Operational Implementation of the Valid Time Event Code (VTEC) in Six NWS Event-driven Products and One Routine Marine Products: Effective
January 17, 2006
2004 Service Change Notices
Jan 15:
SCN04-01sft_la.pdf
Louisiana State Forecast Product Change: Effective
April 1, 2004
Jan 16:
SCN04-02sft_nm_cca.pdf
Corrected:
New Mexico State Forecast Product Change: Effective
April 1, 2004
Jan 16:
SCN04-03cpc_time_chg.pdf
Change in Release Time to 8:30 AM Eastern Time for the Climate Prediction Center’s One- and Three-Month Outlooks and U.S. Drought Outlook: Effective
Thursday, February 19, 2004
Jan 23:
SCN04-04sls.pdf
WMO Heading Changes for Severe Thunderstorm and Tornado Watch Area Outline Statement Products for Maine and Vermont to Reflect Originating Office: Effective
April 6, 2004
Feb 10:
SCN04-05watch_status.pdf
Enhancements to the Watch Status Messages from the Storm Prediction Center: Effective
April 20, 2004
Feb 13:
SCN04-06wind_adv.pdf
Wind Advisory Product Implementation at WFO Pendleton, OR on
March 15, 2004
Feb 23:
SCN04-07tx_hydro_xfer_cca.pdf
Corrected:
Service Transfer of One River Forecast Point to the Houston, TX Weather Service Office: Effective
May 11, 2004
Feb 27:
SCN04-08uvi_chg.pdf
Ultraviolet Index Product Changes: Effective
May 18, 2004
Mar 4:
SCN04-09fire_wx_xfer_cca.pdf
Corrected:
Fire Weather Forecast and Red Flag Warning Responsibility for Oregon Fire Weather Zones 609, 610 and 611 Transferring to WFO Pendleton, OR from WFO Portland, OR: Effective
April 1, 2004
Mar 3:
SCN04-10eas_event_nwr.pdf
National Weather Service Implementation of New Emergency Alert System (EAS) Event Codes and Specific Area Message Encoding (SAME) Codes on NOAA Weather Radio and the EAS: Effective
June 30, 2004
SCN04-11: CANCELED.  See
SCN04-33
Mar 19:
SCN04-12wr_climate.pdf
New Climate Reports for Western United States Sites: Effective
Tuesday, June 1, 2004
Mar 23:
SCN04-13hfo_awips_pub_cca.pdf
Corrected:
WFO Honolulu, HI Modernization of Products - Changing of AWIPS Identification Codes: Effective
July 15, 2004
Mar 19:
SCN04-14hfo_pub_zones.pdf
WFO Honolulu, HI Modernization of Products - Restructuring of Public Zones: Effective
July 15, 2004
Mar 19:
SCN04-15hfo_ugc.pdf
WFO Honolulu, HI Modernization of Products - Transitioning of Warning Products to County-Based Codes: Effective
July 15, 2004
Mar 19:
SCN04-16hfo_marine_awips.pdf
Communication Identifier Changes for WFO Honolulu, HI Marine Products: Effective
July 15, 2004
Mar 19:
SCN04-17hfo_marine_zones.pdf
Changes to Hawaii Coastal Marine Zone Boundaries: Increase Hawaii Coastal Marine Zones from Two to Fifteen: Effective
July 15, 2004
Mar 22:
SCN04-18fire_wx_ddc.pdf
New Fire Weather Forecast Products in the Dodge City, KS County Warning Area: Effective
June 1, 2004
Apr 9:
SCN04-19opc_analysis_cca.pdf
Corrected:
Modification of Northern Atlantic Hemispheric Analysis and the Northern Pacific Hemispheric Analysis: Effective
June 15, 2004
Apr 14:
SCN04-20fire_wx_lbf.pdf
New Fire Weather Forecast Product for Users in the North Platte County, NE Warning Area: Effective
June 1, 2004
Jun 10:
SCN04-21com_plan_aaa.pdf
Updated:
Communications Identifier (CID) Transition Phase One Implementation: Effective
June 15, 2004
Apr 15:
SCN04-22coms_12.pdf
Communications Identifier Transition Plan: the NWS has been Reviewing all Communication Identifiers (CIDs) for Compliance with NWS and World Meteorological Organization (WMO) CID Policies
Apr 16:
SCN04-23vtec.pdf
Add Marine Zones and Valid Time Event Code to Watch Outline Update Messages: Effective
July 7, 2004
Apr 16:
SCN04-24vtec_mr.pdf
Watch Status Messages with Adjacent Coastal Waters Marine Zones: Effective
July 7, 2004
Jun 10:
SCN04-25rtp_cca.pdf
Change in AWIPS IDs and WMO IDs for Temperature and Precipitation, Weather Summary and Weather Roundup Products: Effective
July 1, 2004
Apr 20:
SCN04-26atl.pdf
Atlantic and East Pacific Tropical Weather Discussion Format Changes: Effective
July 6, 2004
SCN04-27: CANCELED.  See
SCN04-34
Apr 27:
SCN04-28fire_wx_zone_slc.pdf
Existing WFO Salt Lake City, UT Fire Weather Zone Boundary Changes for Zones 427, 428, 429, 431, 432, 436, 437 and 438: Effective
May 1, 2004
Apr 29:
SCN04-29nhc_splash.pdf
Splash Time Added to the Remarks Section of Temp Drop Message for Tropical Cyclones: Effective
June 1, 2004
Apr 29:
SCN04-30sfp_texas.pdf
South Texas State Forecast Product Change: Effective
September 1, 2004
May 7:
SCN04-31marine_zone_jax.pdf
Marine Zone Coverage Change for Northeast Florida Coastal and Inland Waters: Effective
July 27, 2004
May 11:
SCN04-32us_virgin_islands.pdf
New Weather Summary Products for the Virgin Islands of the United States: Effective
July 27, 2004
May 18:
SCN04-33cancel_fire_zone.pdf
Cancellation of SCN04-11: Scheduled Transfer of Fire Weather Forecast and Red Flag Warning Responsibility for California Fire Weather Zone 211
May 17:
SCN04-34cancel_04-27_combined_warnings.pdf
Cancellation of Service Change Notice 04-27: Combined Severe Thunderstorm and Flash Flood Warnings in the Southwestern United States
Jun 2:
SCN04-35exces_precip.pdf
Change to Format of Excessive Precipitation Graphic: Effective
October 5, 2004
Jun 15:
SCN04-36_7-day_river.pdf
Enhancement to Hydrologic Products Issued by NWS Offices in its Central Region: Effective
August 24, 2004
Jun 15:
SCN04-37_7-day_rvd.pdf
Enhancement to Hydrologic Products Issued by NWS Offices in its Central Region: Effective
July 14, 2004
Jun 17:
SCN04-38one-month_outlook.pdf
Update to One-Month Outlook for Contiguous U.S. and Alaska on the Last Day of the Month at 300 PM Eastern Time: Effective
July 31, 2004
Jun 21:
SCN04-39eas_codes.pdf
New Communication Identifiers for Non-Weather-Related Emergency Text Products Transmitted on NOAAPort, NWWS, EMWIN and Family of Services: Effective
September 8, 2004
Oct 29:
SCN04-40segment_format_aaa.pdf
Amended:
Change to Segmented Format for Severe Weather Statement, Flash Flood Statement, Marine Weather Statement and Coastal Flood Product: Effective
November 3, 2004
Jul 6:
SCN04-41cid_plan.pdf
Communications Identifier (CID) Transition Plan Update
Jul 8:
SCN04-42hpc_winter.pdf
Replacement of Winter Weather Products by the Hydrometeorological Prediction Center: Effective
September 22, 2004
Jul 16:
SCN04-43modify_clm.pdf
Modified Content of Climatological Report (Longer term) Product Category CLM
Jul 21:
SCN04-44so_ca_bound_chg.pdf
Public Forecast Zone Boundary Modification in Southern California: Effective
November 16, 2004
Jan 28, 2005:
SCN04-45vtec_aab.pdf
Amended:
Operational Implementation of the Valid Time Event Code (VTEC) in Most NWS Event-Driven Products: Effective
February 8, 2005,
Except Effective
March 16, 2005
for WFO Anchorage, AK
Aug 4:
SCN04-46navtex_af.pdf
Change in Communications Headings for Alaska Region NAVTEX Products: Effective
October 15, 2004
Nov 10:
SCN04-47legacy_discontinue_aab.pdf
Amended:
Discontinuation of Legacy Convective Watch Products: Effective
February 22, 2005
Nov 10:
SCN04-48wbc_ops_aab.pdf
Amended:
Change to Operational Watch by County Products: Effective
February 8, 2005
Aug 12:
SCN04-49montana_zone_change_cca.pdf
Corrected:
Public Forecast Zone Boundary Modification in Southern Montana: Effective
November 30, 2004
Aug 5:
SCN04-50ak_zone_change.pdf
Marine and Public Zone Boundary Changes in Anchorage, AK Area of Responsibility: Effective
November 30, 2004
at 4 pm AKST
Aug 18:
SCN04-51vtec_format_hydro_cca.pdf
Corrected:
Change to Standardized, VTEC-Encoded Format for Hydrologic Products: Effective
February 8, 2005
Aug 26:
SCN04-52cid_impl.pdf
Communications Identifier Transition of Combined Phase Implementation: Effective
November 9, 2004
Oct 19:
SCN04-53clifton_forge_fips_cca.pdf
Corrected:
Change of Clifton Forge, VA from Independent City to Town Status in Public Products: Effective
February 1, 2005
Oct 8:
SCN04-54cid_final_reminder.pdf
Reminder of Communications Identifier Transition Combined Phase Implementation: Effective
November 9, 2004
Nov 16:
SCN04-55wr_ffs.pdf
Change in Western Region Follow-up Statement to Flash Flood Warning (FFW)  from Flood Statement (FLS) to Flash Flood Statement (FFS): Effective
March 17, 2005
Nov 23:
SCN04-56vtec_hydro_delay.pdf
Follow-up to
Service Change Notice 04-51
: Delay in VTEC for Hydrologic Products
Dec 28:
SCN04-57bear_lake_zn_chg.pdf
County Warning Forecast Area Change for Weather Forecast Offices Salt Lake City, UT and Pocatello, ID: Effective
May 2, 2005
Dec 29:
SCN04-58ak_restructure.pdf
Restructuring of Select Anchorage, AK Public, Hydrological and Marine Products: Effective
March 16, 2005
at 4 pm AST
2003 Service Change Notices
Jan 10:
SCN03-01ncep_format_chg.pdf
Modifications to Selected NCEP Text Products: Effective No Later Than
February 12, 2003
Jan 14:
SCN03-02ilx_end_state.pdf
End-state WMO/AWIPS Product Identifiers for WFO Central Illinois Public Products: Effective
March 4, 2003
Jan 22:
SCN03-03cr_hydro.pdf
Consistent Universal Geographic Code (UGC) Types for Hydrology Product Suite in Central Region: Effective
March 25,
2003
Jan 23:
SCN03-04dm_cats.pdf
Change to U.S. Drought Monitor Impact Categories: Effective Thursday,
February 20, 2003
Jan 24:
SCN03-05cr_end_state_web.pdf
End-state WMO/AWIPS Product Identifiers for Eight Central Region Warning Products: Effective
March 25, 2003
Jan 31:
SCN03-06sls_akq.pdf
Virginia Areal Outline Product (SLS) for Severe Thunderstorm and Tornado Watches will Originate from NWS WFO Wakefield, VA: Effective
March 31, 2003
Jan 31:
SCN02-59text_format_aaa.pdf
Updated:
Standardized NWS Formats and Codes for Plain Language Products
Apr 2:
SCN03-07chs_zones_ccb.pdf
Corrected:
Forecast Zone Changes in Southeast Georgia and Southeast South Carolina: Effective
April 30, 2003
Mar 6:
SCN03-08buf_zones_aaa.pdf
Updated:
Forecast Zone Changes in Western New York: Effective
April 30, 2003
Mar 6:
SCN03-09btv_zones_aaa.pdf
Updated:
Forecast Zone Changes in Western Vermont and Northern New York: Effective
April 30, 2003
Mar 6:
SCN03-10box_zones_aaa.pdf
Updated:
Forecast Zone Changes in Southern New England: Effective
April 30, 2003
Mar 6:
SCN03-11bgm_zones_aaa.pdf
Updated:
Forecast Zone Changes in Northeast Pennsylvania: Effective
April 30, 2003
Mar 6:
SCN03-12aly_zones_aaa.pdf
Updated:
Forecast Zone Changes in Eastern New York and Western New England: Effective
April 30, 2003
Feb 21:
SCN03-13wou.pdf
Watch Outline Update Messages from the Storm Prediction Center: Effective
April 15, 2003
Feb 21:
SCN03-14wcn.pdf
Watch County Notification Message for Selected Weather Forecast Offices: Effective
April 15, 2003
Mar 6:
SCN03-15ctp_zones.pdf
Forecast Zone Boundary Changes in Central Pennsylvania: Effective
April 30, 2003
Mar 10:
SCN03-16tropical_5-day.pdf
Changes to Tropical Cyclone Products: Effective
May 15, 2003
Mar 10:
SCN03-17hpc_analysis.pdf
Proposed Changes to HPC’s North American Surface Analysis Products: Effective
June 3, 2003
.  Responses Requested by
May 9, 2003
Mar 13:
SCN03-18lox_ccf.pdf
Change of Coded Cities Forecast (CCF) Site Identifier Issued by the National Weather Service Los Angeles/Oxnard, CA: Effective
May 1, 2003
Mar 14:
SCN03-19_10-1701_tpt_cca.pdf
Corrected:
Modifications to Selected NWS Text Products: Effective April 15, 2003 at 10 am EDT
Mar 17:
SCN03-20marine_zone.pdf
Marine Zone Reconfiguration in Lake Ontario: Effective
Tuesday, June 3, 2003
Apr 9:
SCN03-21heat_index.pdf
Addition to the National Weather Service Probabilistic Heat Index Product Suite: Effective May 1, 2003
Apr 9:
SCN03-22ak_wmo.pdf
End-state WMO/AWIPS Product Identifiers for Alaska Region Severe Weather Warning Products and One Red Flag Warning Product: Effective
May 5, 2003
Apr 18:
SCN03-23ak_zones_aaa.pdf
Updated:
Changes to Alaska Region Public Zone Names: Effective
June 16, 2003
Apr 15:
SCN03-24surf.pdf
Changes to Surf Zone Forecast and Rip Current Program: Effective
May 15, 2003
Apr 29:
SCN03-25sft_cca.pdf
Corrected:
Tabular State Forecast Products to be Issued by NWS Offices in the Continental U.S.: Effective
June 13, 2003
Apr 22:
SCN03-26tropical_advsry.pdf
Changes to Tropical Cyclone Forecast/Advisory Product: Effective
May 15, 2003
Apr 29:
SCN03-27atl_hurcn.pdf
Atlantic Hurricane Outlook to be Issued
May 19, 2003
Apr 29:
SCN03-28ep_hurcn.pdf
Experimental Eastern Pacific Hurricane Outlook to be Issued
June 11, 2003
May 2:
SCN03-29cp_hurcn.pdf
Central Pacific Hurricane Outlook to be Issued
May 19, 2003
May 12:
SCN03-30sr_hydro_gph.pdf
Experimental Hydrometeorological Information Graphics: Feedback Accepted Through
September 30, 2003
Jun 19:
SCN03-31vtec_test_paya.pdf
Introduction and Testing of the Valid Time Event Code at the Yakutat, AK Weather Service Office: Effective
August 19, 2003
Jun 19:
SCN03-32mlb_climate.pdf
Identifier Change for Daytona Beach, Vero Beach and Orlando, FL International Airport for Climate Information and Record Reports: Effective
September 1, 2003
Jun 24:
SCN03-33srh_sa_xfer.pdf
Service Transfer of Nine River Forecast Points to the Houston, TX Weather Service Office on
September 2, 2003
Aug 21:
SCN03-34ak_marine_aaa.pdf
Updated:
Restructuring of Coastal Waters Forecast Product Collectives and Modernization of Communications Headings: Effective
September 9, 2003
at 4 pm ADT
Dec 2:
SCN03-35guam_marine_aaa.pdf
Updated:
Postponement of New Marine UGC Codes for Guam Geographic Area of Responsibility: Effective
Immediately
Jul 10:
SCN03-36mem_aqi_cca.pdf
Corrected:
Identifier Change for Memphis/Shelby County, TN Ozone Advisory and Forecast: Effective
Tuesday, September 2, 2003
Aug 21:
SCN03-37ar_pub_fire_rev_aaa.pdf
Updated:
Restructuring of Public and Fire Weather Forecast and Warning Product Collectives and Modernizing of Communications Headings in Alaska: Effective
September 9, 2003
Jul 10:
SCN03-38afm_pfm.pdf
New Area and Point Forecast Matrices Products from Weather Forecast Offices: Effective
October 1, 2003
Jul 18:
SCN03-39zfp_format.pdf
Zone Forecast Product Modified Format and Phased Implementation: Effective Beginning
October 1, 2003
Jul 22:
SCN03-40hydro_ak.pdf
Change in Scheduled Issuance Time of Selected Alaska Region Hydrologic Products: Effective
August 20, 2003
Aug 5:
SCN03-41sfp_mqt.pdf
New State Forecast Product for the Upper Peninsula of Michigan: Effective
October 1, 2003
Aug 15:
SCN03-42winter_gph.pdf
Change of Issuance Time for the Day 1 and Day 2 Final Probabilistic Winter Weather Guidance Graphics Issued by NCEP HPC: Effective
September 30, 2003
Sep 15:
SCN03-43nv_zone_xfer_cca.pdf
Corrected:
Public Forecast Zone Transfer in Central Nevada: Effective
October 20, 2003
Aug 21:
SCN03-44cpc_outlook.pdf
Probability Format Changes to One-Month and Three-Month Outlooks: Effective
Thursday, September 18, 2003
Aug 29:
SCN03-45cli_rer_mem.pdf
Identifier Change for Climate Information and Record Reports for Jackson, TN; Jonesboro, AR and Tupelo, MS: Effective
November 5, 2003
Aug 29:
SCN03-46cli_rer_tx1.pdf
New Climate Information and Record Reports for Clarksville and Crossville, TN: Effective
November 5, 2003
Aug 29:
SCN03-47cli_rer_tx2.pdf
Identifier Change for Climate Information and Record Reports for College Station and Galveston, TX: Effective
November 5, 2003
Aug 29:
SCN03-48cli_rer_tx3.pdf
New Climate Information and Record Reports for Childress, TX: Effective
November 5, 2003
Sep 4:
SCN03-49cli_ar_tx.pdf
New Climate Information for De Queen, AR; El Dorado, AR; Longview, TX; Lufkin, TX; Monroe, LA; Texarkana, TX and Tyler, TX: Effective
November 5, 2003
Sep 4:
SCN03-50cli_rer_hrl_mfe.pdf
New Climate Information Product for Harlingen and McAllen, TX: Effective
November 5, 2003
Sep 4:
SCN03-51cli_rer_nm.pdf
New Climate Information and Record Reports for Clayton and Roswell, NM: Effective
November 5, 2003
Sep 4:
SCN03-52cli_rer_att.pdf
Identifier Change for Climate Information and Record Reports for Austin Camp Mabry, TX: Effective
November 5, 2003
Sep 4:
SCN03-53cli_rer_vct.pdf
Identifier Change for Climate Information and Record Reports for Victoria, TX: Effective
November 5, 2003
Sep 4:
SCN03-54xfer_to_hun.pdf
Warning and Forecast Responsibility for Lincoln, Moore and Franklin Counties in Tennessee to be Transferred to WFO Huntsville, AL: Effective
November 5, 2003
Sep 4:
SCN03-55cli_rer_ga.pdf
New Climate Information and Record Reports for Alma and Saint Simons Island, GA: Effective
November 5, 2003
Sep 4:
SCN03-56rer_ar_ok.pdf
Identifier Change for Record Reports for Bartlesville, OK; Fayetteville, AR; McAlester, OK and Muskogee, OK: Effective
November 5, 2003
Sep 4:
SCN03-57rer_pns.pdf
Identifier Change for Record Reports for Pensacola, FL: Effective
November 5, 2003
Sep 17:
SCN03-58hwo.pdf
Hazardous Weather Outlook Change from Non-Segmented to Segmented Format: Effective
December 2, 2003
Sep 17:
SCN03-59lsr_format.pdf
New Preliminary Local Storm Report Format: Effective
December 16, 2003
Nov 6:
SCN03-60sps_format_cca.pdf
Corrected:
Special Weather Statement Change from Non-Segmented to Segmented Format: Effective
December 2, 2003
Oct 15:
SCN03-61ak_marine_aaa.pdf
Updated:
Modifications to Marine Zone Boundaries in Alaska and Format and Communications Heading Changes to the Coastal Waters Forecast Products in Alaska: Effective
November 19, 2003 and January 13, 2004
Oct 15:
SCN03-62ak_restructure_aaa.pdf
Updated:
Restructuring of Public, Hydrologic and Marine Weather Forecast and Warning Product Collectives at WFO Anchorage, AK and Modernizing of Communication Identifiers at Alaska WFOs: Effective
November 19, 2003 and January 13, 2004
Sep 24:
SCN03-63ak_zfp.pdf
Zone Forecast Product Modified Format: Changes to Public Zone Boundaries and Phased Implementation: Effective Beginning
November 19, 2003
Oct 1:
SCN03-64cli_aaf.pdf
Communication Identifier Change for Climate Information for Apalachicola, FL (AAF): Effective
December 15, 2003
Oct 1:
SCN03-65cli_dfw.pdf
Identifier Change: New Climate Information and Record Report for Dallas/Fort Worth, TX and New Public Information Statement Products for Dallas/Fort Worth and Waco, TX: Effective
December 1, 2003
Oct 1:
SCN03-66wou.pdf
Watch Outline Update Messages from the Storm Prediction Center: Effective
January 6, 2004
Oct 15:
SCN03-67hydro.pdf
Changes to NWS Hydrology Products: Effective
February 9, 2004
Oct 21:
SCN03-68sft_texas.pdf
West Texas State Forecast Product Change: Effective
December 15, 2003
Oct 22:
SCN03-69eqr.pdf
Standardization of WMO Headings and AWIPS Identifiers for Earthquake Reports (EQR): Effective No Later Than
January 7, 2004
Oct 22:
SCN03-70bs_wind_chill.pdf
Product Category Change for Blowing Snow and Wind Chill Products: Effective No Later Than
December 23, 2003
Nov 14:
SCN03-71sft_tn.pdf
Tennessee State Forecast Product Format Change: Effective
January 14, 2004
Nov 24:
SCN03-72notification.pdf
New NWS Procedures for National Service and Technical Change Messages: Effective
January 7, 2004
Nov 24:
SCN03-73ago_new.pdf
Identifier Change for Southeast Louisiana and South Mississippi Agricultural Observations Product: Effective
November 4, 2003
Dec 2:
SCN03-74ar_offshore_time_chg.pdf
Change in Scheduled Issuance Time of Alaska Region Offshore Marine Forecasts: Effective
January 13, 2004
Dec 5:
SCN03-75cli_gfk.pdf
Identifier Change for Grand Forks Airport, ND Climate Information: Effective
January 1, 2004
Dec 29:
SCN03-76fire_zones.pdf
Fire Weather Zone Numbers to Replace Public Zone Numbers in Fire Weather Forecast Products: Effective
February 26, 2004
2002 Service Change Notices
Jan 10:
SCN02-01rdf_abr.pdf
Digital Forecast Product from National Weather Service Office in Aberdeen, SD: Effective
March 6, 2002
Jan 10:
SCN02-02rdf_ddc.pdf
Digital Forecast Product from National Weather Service Office in Dodge City, KS: Effective
March 6, 2002
Jan 10:
SCN02-03rdf_grb.pdf
Digital Forecast Product from National Weather Service Office in Green Bay, WI: Effective
February 26, 2002
Jan 10:
SCN02-04rdf_iwx.pdf
Digital Forecast Product from National Weather Service Office in Northern Indiana: Effective
March 6, 2002
Jan 10:
SCN02-05rdf_lsx.pdf
Digital Forecast Product from National Weather Service Office in St. Louis, MO: Effective
March 6, 2002
Jan 10:
SCN02-06rdf_oax.pdf
Digital Forecast Product from National Weather Service Office in Omaha, NE: Effective
March 6, 2002
Jan 18:
SCN02-07olympic.pdf
Hazardous Winter Weather Potential Product for the Transportation Corridors to Olympic and Paralympic Venues in and Around Salt Lake City, UT: Effective
February 3, 2002
Jan 28:
SCN02-08hawaii_zone.pdf
Reconfiguration of Hawaii Marine Zones: Effective
March 28, 2002
Feb 4:
SCN02-09rdf_grr.pdf
Digital Forecast Product from National Weather Service Office in Grand Rapids, MI: Effective
March 21, 2002
Feb 6:
SCN02-10tav.pdf
Travelers Forecast Bulletins Modifications: Effective
March 12, 2002
Feb 21:
SCN02-11wr_fire_wx.pdf
End-state WMO/AWIPS Product Identifiers Go into Effect for Western Region Weather Forecast Offices Fire Weather Products: Effective
April 2, 2002
Mar 6:
SCN02-12drought.pdf
New Release Date for Drought Outlook: Effective
Thursday, March 14, 2002
Mar 8:
SCN02-13az_county.pdf
Renaming of Arizona Zone in Pinal County: Effective
April 8, 2002
Mar 15:
SCN02-14ak_combo.pdf
Proposal for a Combined Public/Marine Product for Selected Public and Marine Zones in Alaska: A 60-day Public Comment Period Begins
March 26, 2002
Mar 18:
SCN02-15rdf_apx.pdf
Digital Forecast Product from National Weather Service Office in Gaylord, MI: Effective
May 1, 2002
Mar 18:
SCN02-16rdf_fgf.pdf
Digital Forecast Product from National Weather Service Office Eastern North Dakota/Grand Forks, ND: Effective
April 23, 2002
Mar 18:
SCN02-17rdf_gid.pdf
Digital Forecast Product from National Weather Service Office in Hastings, NE: Effective
May 8, 2002
Mar 19:
SCN02-18rdf_lbf.pdf
Digital Forecast Product from National Weather Service Office in North Platte, NE: Effective
May 8, 2002
Mar 19:
SCN02-19rdf_lot.pdf
Digital Forecast Product from National Weather Service Office in Chicago, IL: Effective
May 15, 2002
Mar 19:
SCN02-20rdf_mkx.pdf
Digital Forecast Product from National Weather Service Office Near Sullivan, WI: Effective
May 6, 2002
Apr 3:
SCN02-21marine_dir.pdf
Updated Marine Program Directives: Effective
May 21, 2002
Apr 8:
SCN02-22offshore_hi.pdf
Offshore Forecast for Hawaii Will be Separated from the Coastal Forecast for Hawaii: Effective
June 3, 2002
Apr 10:
SCN02-23tpc_product.pdf
New Hydrometeorological Prediction Center Tropical Cyclone Product: Effective
June 1, 2002
Apr 10:
SCN02-24hazard_prod.pdf
Renaming of U.S. Threats Assessment Product to Hazards Assessment Product: Effective
April 16, 2002
Apr 22:
SCN02-25heat_cca.pdf
Correction:
New NWS Probabilistic Heat Index Product Suite: Effective
May 1, 2002
Apr 18:
SCN02-26ak_marine.pdf
Marine Program in Alaska
Apr 18:
SCN02-27wr_wmo_cca.pdf
Corrected:
End-state WMO/AWIPS Product Identifiers for Western Region Public Warning Products: Effective
May 29, 2002
Apr 18:
SCN02-28digital_fcst_mqt.pdf
Digital Forecast Product from National Weather Service Office in Marquette, MI: Effective
June 4, 2002
Apr 18:
SCN02-29zone_nj.pdf
Forecast Zone Configuration in Southern New Jersey: Reconfiguration of Burlington County, NJ into Two Separate Forecast Zones: Effective
June 5, 2002
Apr 18:
SCN02-30cpc_heat.pdf
Resumption of National Excessive Heat Outlook Products: Effective
May 1, 2002
Apr 22:
SCN02-31wr_wmo_marine.pdf
Western Region Marine Weather Related Products Change to End-state WMO/AWIPS Identifiers: Effective
May 29, 2002
May 31:
SCN02-32unr_zone_upd.pdf
Corrected and Updated:
Realignment of Selected Zone Forecast Boundaries in South Dakota and Wyoming: Effective
June 4, 2002
May 17:
SCN02-33spc_wou_cca.pdf
Correction:
New Watch Outline Update Messages from the Storm Prediction Center: Effective
July 15, 2002
May 16:
SCN02-34wcn.pdf
New Watch County Notification Message for Selected Weather Forecast Offices: Effective
July 15, 2002
May 21:
SCN02-35ugc_form_chg.pdf
Universal Geographic Code Form Change in the Civil Emergency Message Product: Effective
July 17, 2002
Jun 3:
SCN02-36tsu.pdf
Change to Product Identifiers of Tsunami and Earthquake Products and New Tsunami Products to be Issued: Effective
July 31, 2002
Jun 5:
SCN02-37lfp_bro.pdf
Implementation of Public Forecast Service Changes for Deep South Texas: Effective
August 6, 2002
Jun 5:
SCN02-38climate.pdf
Revised 1971-2000 Climate Station Normals for All Elements: Effective
July 1, 2002
Jun 10:
SCN02-39wou_wcn_delay.pdf
Delayed Start Date for Watch County Notification and Watch Outline Update Message Operational Evaluation
Jun 11:
SCN02-40svr_ffw.pdf
Combined Severe Thunderstorm Flash Flood Warning Test
August 12, 2002 to October 1, 2002
Jul 9:
SCN02-41pub_zone_cca.pdf
Corrected:
Realignment of Zone Forecast Boundaries in Southeast and South Central Colorado: Effective
August 13, 2002
Jul 23:
SCN02-42wwcb.pdf
Transfer of Subscription Services for Weekly Weather and Crop Report: Effective
September 1, 2002
Aug 28:
SCN02-43hwo_cca.pdf
Daily Hazardous Weather Outlook Product for all Weather Forecast Offices: Effective
October 1, 2002
Aug 13:
SCN02-44sr_rdf.pdf
Digital Forecast Product from Southern Region National Weather Service Forecast Offices
Aug 15:
SCN02-45michigan_zone.pdf
Creation of New Zone Forecast Boundaries in Upper Michigan for Houghton and Schoolcraft Counties: Effective
October 15, 2002
Aug 16:
SCN02-46wyoming_zone.pdf
Creation of New Zone Forecast Boundaries in Western and Central Wyoming: Effective
October 15, 2002
Aug 28:
SCN02-47climate_outlook.pdf
Revision to Remaining Year
2002
Issuance Dates for One-Month and Three-Month Climate Outlooks
Aug 29:
SCN02-48s_america.pdf
Latin America and Caribbean Hourly Weather Roundup Product from the National Weather Service Office in Austin/San Antonio, TX: Effective
October 31, 2002
Aug 28:
SCN02-49great_lakes.pdf
Changes to Great Lakes Lakeshore Flood Products: Effective
November 1, 2002
Sep 18:
SCN02-50sst.pdf
Issuance of Tropical Pacific Mean Sea Surface Temperature (SST) Outlook on NOAAPort, FOS, NWWS and EMWIN: Effective
October 11, 2002
Sep 18:
SCN02-51enso.pdf
Issuance of El Niño/Southern Oscillation (ENSO) Diagnostic Discussion on NOAAPort, FOS, NWWS and EMWIN: Effective
October 10, 2002
Sep 18:
SCN02-52dro.pdf
Issuance of U.S. Drought Outlook on NOAAPort and Family of Services: Effective
October 17, 2002
Sep 19:
SCN02-53poe.pdf
New Probability of Exceedence Climate Outlooks: Effective
October 17, 2002
Oct 18:
SCN02-54svs_ugc_chg.pdf
Severe Weather Statement Change from Zone Universal Geographic Code to County Universal Geographic Code: Effective
December 18, 2002
Nov 6:
SCN02-55ak_cwf.pdf
Changes to Alaska Region Coastal Waters Forecast Products: Effective
January 7, 2003
Dec 9:
SCN02-56wfo_hun_cca.pdf
Corrected:
New Weather Forecast Office (WFO) in Huntsville, AL Begins Issuing Products Previously Issued by WFO Birmingham, AL: Effective
January 14, 2003
Nov 14:
SCN02-57lfp_hun.pdf
Implementation of Improved Forecasts for Huntsville Area in Alabama: Effective
January 14, 2003
Nov 15:
SCN02-58hpc_winter.pdf
Change of Issuance Time for the 0615 UTC Day 1 Final Probabilistic Winter Weather Guidance Graphics from NCEP Hydrometeorological Prediction Center (HPC): Effective
December 12, 2002
Jan 31, 2003:
SCN02-59text_format_aaa.pdf
Updated:
Standardized NWS Formats and Codes for Plain Language Products
2001 Service Change Notices
Jan 3:
SCN01-01cwf.pdf
Coastal Waters Forecast (CWF) Outlook Universal Geographic Code (UGC) No Longer in Use for Florida, the Gulf Coast and Puerto Rico
Jan 5:
SCN01-02vtec_shv.pdf
Introduction and Testing of the Valid Time Event Code at the Shreveport, LA Forecast Office: Effective
March 15, 2001
Jan 5:
SCN01-03vtec_mrx.pdf
Introduction and Testing of the Valid Time Event Code at the Morristown, TN Forecast Office: Effective
March 6, 2001
Jan 5:
SCN1-04zones_mlb.pdf
Implementation of Improved Zone Coverage for Brevard, Volusia and Lake Counties in Central Florida: Effective
February 22, 2001
Jan 16:
SCN01-05ak_product_changes_cca.pdf
Corrected:
Changes in Short-Term and Local Forecast Products in Alaska: Effective
January 24, 2001
Jan 16:
SCN01-06fai_product_changes_cca.pdf
Corrected:
Changes in Zone and Local Forecast Products in Fairbanks, AK: Effective
January 24, 2001
Jan 12:
SCN01-07tsu_fmt.pdf
New Format for Tsunami Information Bulletins from West Coast/Alaska Tsunami Warning Center: Effective
February 1, 2001
Feb 27:
SCN01-08tcm_cca.pdf
Corrected:
Format Change to Tropical Cyclone Forecast/Advisory Product: Effective
May 15, 2001
Feb 27:
SCN01-09bou_zone_cca.pdf
Corrected:
Realignment of Zone Forecast Boundaries in North Central and Northeast Colorado: Effective
April 17, 2001
Mar 2:
SCN01-10stm_sum.pdf
Change of Issuance Times of Storm Summaries for Landfalling Tropical Cyclones: Effective
June 1, 2001
Mar 6:
SCN01-11er_wmo_chg.pdf
End-State WMO/AWIPS Identifiers Go Into Effect for 302 High Priority Eastern Region Products: Effective
May 8, 2001
Mar 13:
SCN01-12cli_rel.pdf
Seasonal Drought Outlook Issuances on the Internet for the
Rest of 2001
Mar 15:
SCN01-13maw_oml.pdf
New Marine Alert Message for the Great Lakes
Apr 5:
SCN01-14bpm_cli_means_aaa.pdf
Amended:
Base Period Means (BPM) for Climate Outlooks to be Updated from 1961-1990 Means to 1971-2000 Means: Effective
Thursday, May 17, 2001
Mar 26:
SCN01-15vtec_abr.pdf
Introduction and Testing of the Valid Time Event Code at the Aberdeen, SD Forecast Office: Effective
May 22, 2001
Apr 2:
SCN01-16d4_defn.pdf
Change in Definition of D4 Drought Category in the Weekly Drought Monitor: Effective
Thursday, May 3, 2001
Apr 20:
SCN01-17anc_stp_ak.pdf
Change in Format to the Alaska Temperature and Precipitation Bulletin: Effective
May 21, 2001
Apr 25:
SCN01-18wcn_test_cca.pdf
Corrected:
Introduction and Testing of the Watch County Notification Message from
June 26, 2001
to
August 24, 2001
Apr 27:
SCN01-19heat.pdf
Resumption of National Excessive Heat Outlook Products: Effective
May 1, 2001
Apr 30:
SCN01-20jnunow.pdf
Changes To Short-term Forecast Products in Juneau, AK: Effective
June 20, 2001
Apr 30:
SCN01-21jnu_zfp.pdf
Changes in Zone Forecast Products in Juneau, AK: Effective
June 20, 2001
May 10:
SCN01-22rvd_pt1_cca.pdf
Corrected: Part 1 -
New Product: A Daily River and Lake Summary from National Weather Service: Effective
May 30, 2001
May 10:
SCN01-22rvd_pt2_cca.pdf
Corrected: Part 2 -
New Product: A Daily River and Lake Summary from National Weather Service: Effective
May 30, 2001
Apr 30:
SCN01-23fai_rec.pdf
Change to the Seasonal Denali Park Forecast Issued by WFO Fairbanks, AK: Effective
May 7, 2001
May 14:
SCN01-24catalina.pdf
Implementation of New Catalina Island, CA Zone Forecast (CAZ087): Effective
June 20, 2001
May 16:
SCN01-25wcn_test_more.pdf
Introduction and Testing of the Watch County Notification Message from
June 26, 2001 to August 24, 2001
at the Binghamton, NY and Amarillo, TX Forecast Offices
Jun 5:
SCN01-26marine_zone.pdf
Renumbering and Reconfiguration of Some Marine Forecast Zones: Effective
Friday, August 10, 2001
Jun 7:
SCN01-27mar_engo_xfer.pdf
Service Transfer of One Alabama County to the Birmingham, AL Weather Service Office: Effective
July 31, 2001
Jun 22:
SCN01-28wcn_cancel.pdf
Testing of the Watch County Notification Message at the Missoula, MT Forecast Office from June 26, 2001 to August 24, 2001
Cancelled
Jun 17:
SCN01-29climate_aaa.pdf
Updated
Issuance of Experimental Site Specific City Temperature and Degree Day Long Lead Climate Outlooks: Effective
July 12, 2001
Jul 2:
SCN01-30c11.pdf
New Zone Forecast Product Weather Service Operation Manual: Chapter C-11: Effective
September 5, 2001
Jul 18:
SCN01-31twd.pdf
Transmission Time Changes for the Eastern Pacific Ocean Tropical Weather Discussion (TWD): Effective
Monday, July 30, 2001
Jul 20:
SCN01-32rdf_sgf.pdf
New Digital Forecast Product from National Weather Service Springfield, MO: Effective
October 2, 2001
Jul 30:
SCN01-33hfo_zfp.pdf
Zone Forecast Product Extended to a 7-Day Forecast: Effective
August 1, 2001
Aug 3:
SCN01-34fire_wx_jan_cca.pdf
Corrected:
Transfer of Fire Weather Service Responsibility to NWS Jackson, MI: Effective
September 27, 2001
Aug 3:
SCN01-35fire_wx_meg_cca.pdf
Corrected:
Transfer of Fire Weather Service Responsibility to NWS Memphis, TN: Effective
September 27, 2001
Aug 3:
SCN01-36fire_wx_shv_cca.pdf
Corrected:
Transfer of Fire Weather Service Responsibility to NWS Shreveport, LA: Effective
September 27, 2001
Aug 3:
SCN01-37fire_wx_tsa_cca.pdf
Corrected:
Transfer of Fire Weather Service Responsibility to NWS Tulsa, OK: Effective
September 27, 2001
Jul 31:
SCN01-38ncep_url.pdf
New Internet Website for NCEP Model Graphics
Jul 31:
SCN01-39marine.pdf
Five-day Coastal Waters Forecast to be Implemented by the NWS Office in Wakefield, VA: Effective
September 14, 2001
Aug 1:
SCN01-40flood.pdf
New Flood Potential Outlook Product: Effective
October 1, 2001
at
1630 UTC
Aug 6:
SCN01-41wi_zfp.pdf
Realignment of Zone Forecast Boundaries in Northeast Wisconsin: Effective
November 15, 2001
Aug 24:
SCN01-42e-22_aaa.pdf
Amended:
Changes to National Weather Service Hydrology Products: Effective
October 3, 2001
Aug 31:
SCN01-43sr_rvr_flood_watch_aaa.pdf
: CANCELLED...See
SCN01-52
Sep 19:
SCN01-44spc_wmo_ccb.pdf
Corrected:
WMO Heading, AWIPS ID and Site ID Changes for Storm Prediction Center Products: Effective
November 7, 2001
Aug 24:
SCN01-45wcn_ama_cca.pdf
Corrected:
Testing of the Watch County Notification Message at the Amarillo, TX Forecast Office to be
Continued Beyond August 24, 2001
Aug 27:
SCN01-46fire_wx_hfo.pdf
New Fire Weather Forecast Product to be Issued by Weather Forecast Office Honolulu, HI: Effective
September 4, 2001
Aug 30:
SCN01-47fire_wx_mob.pdf
Transfer of Fire Weather Service Responsibility to NWS Forecast Office in Mobile, AL: Effective
November 1, 2001
Aug 30:
SCN01-48fire_wx_lix.pdf
Transfer of Fire Weather Service Responsibility to NWS Forecast Office in New Orleans, LA: Effective
November 1, 2001
Oct 2:
SCN01-49chill_aaa.pdf
Amended:
New Wind Chill Temperature Index: Effective
November 1, 2001
Sep 6:
SCN01-50disc_lfp_vct.pdf
Implementation of Improved Forecasts for Victoria Crossroads Area in South Texas: Effective
November 1, 2001
Sep 7:
SCN01-51maine_zfp.pdf
Forecast Zone Configuration in Eastern Maine: Creation of Two New Forecast Zones and Reconfiguration of Two Forecast Zones: Effective
November 5, 2001
Sep 13:
SCN01-52fld_outlook_aaa
.pdf
Amended:
New River Flood Outlook Narrative Product and Associated Web-Based Graphics: Effective
November 15, 2001
Sep 19:
SCN01-53hpc_chg.pdf
Proposed Changes to the Hydrometeorological Prediction Center's Analysis and Guidance Products: Comments Accepted via HPC Website through
December 12, 2001
Sep 20:
SCN01-54neb_zone.pdf
: Realignment of Zone Forecast Boundaries in Cherry County, NE: Effective
November 20, 2001
Sep 27:
SCN01-55fld_outlook.pdf
: New Flood Outlook Product: Second Stage of Testing Begins
October 1, 2001
Oct 18:
SCN01-56fips_chg_cca.pdf
Corrected:
Important Change in Severe Weather Warning Coding for Miami-Dade County, FL: Effective
January 9, 2002
Oct 31:
SCN01-57flood_outlk.pdf
New Significant River Flood Outlook Product: Effective
November 1, 2001
Oct 31:
SCN01-58chill_final.pdf
Reminder: New Wind Chill Temperature Index: Effective
November 1, 2001
Nov 1:
SCN01-59climate_norms.pdf
Climate Station Normals for Daily and Monthly Climate Reports to be Updated from 1961-1990 Normals to 1971-2000
Nov 2:
SCN01-60cpc_chill_cca.pdf
Corrected:
New Experimental National 6- to 10-Day Cold Temperature and Wind Chill Probability Outlooks from the Climate Prediction Center: Available as of
November 1, 2001
Nov 6:
SCN01-61hydro_cca.pdf
Corrected:
Reminder: Enhancements to National Weather Service Hydrologic Products: Effective
November 15, 2001
Nov 13:
SCN01-62rdf_dmx.pdf
Digital Forecast Product from National Weather Service Office in Des Moines, IA: Effective
January 15, 2002
Nov 13:
SCN01-63rdf_dtx.pdf
Digital Forecast Product from National Weather Service Office in Detroit/Pontiac, MI: Effective
January 15, 2002
Nov 13:
SCN01-64rdf_dvn.pdf
Digital Forecast Product from National Weather Service Office in Quad Cities, IA/IL: Effective
January 15, 2002
Nov 14:
SCN01-65scs_chg.pdf
Selected Cities Weather Summary and Forecasts Bulletin Modifications: Effective
December 11, 2001
Nov 14:
SCN01-66rdf_ind.pdf
Digital Forecast Product from National Weather Service Office in Indianapolis, IN: Effective
January 15, 2002
Nov 14:
SCN01-67rdf_lmk.pdf
Digital Forecast Product from National Weather Service Office in Louisville, KY: Effective
January 15, 2002
Nov 14:
SCN01-68rdf_top.pdf
Digital Forecast Product from National Weather Service Office in Topeka, KS: Effective
January 15, 2002
Nov 19:
SCN01-69rdf_gld.pdf
Digital Forecast Product from National Weather Service Office in Goodland, KS: Effective
January 15, 2002
Nov 28:
SCN01-70spc_3-day.pdf
New Storm Prediction Center Day Three Severe Weather Outlooks
Dec 5:
SCN01-71rdf_pah.pdf
Digital Forecast Product from National Weather Service Office in Paducah, KY: Effective
January 28, 2002
Dec 5:
SCN01-72wr_hydro_wmo.pdf
End-state WMO/PIL Product Identifiers Go Into Effect for Western Region Weather Forecast Offices Hydrologic Products: Effective
January 15, 2002
Dec 10:
SCN01-73surf.pdf
Standardization of Surf Zone Forecast AWIPS Identifiers: Effective
January 2, 2002
Dec 14:
SCN01-74outlooks.pdf
Year
2002
Issuance Dates for Monthly and Seasonal Climate Outlooks
Dec 17:
SCN01-75broomfield.pdf
NWS to Recognize New County in Colorado in NWS Warnings and Forecasts: Important Change in Severe Weather Coding and Changes to Three Colorado Forecast Zones: Effective
March 12, 2002
2000 Service Change Notices
Dec 13:
SCN00-115cpc_otlk.pdf
Year 2001 Issuance Dates for Monthly and Seasonal Climate Outlooks
Nov 28:
SCN00-114spc_prob.pdf
New Storm Prediction Center Probabilistic Severe Weather Outlooks to Commence
January 31, 2001
Nov 22:
SCN00-113rdf_iln.pdf
Expanded Coded Cities Forecast and New Digital Zone Forecast from National Weather Service Wilmington, OH: Effective
Wednesday, November 1, 2000
Nov 22:
SCN00-112rdf_gsp.pdf
New Digital Zone Forecast from National Weather Service Greenville/Spartanburg, SC: Effective
November 1, 2000
Nov 22:
SCN00-111rdf_car.pdf
Expanded Coded Cities Forecast and New Digital Forecast Products from National Weather Service Office in Caribou, ME: Effective
November 1 and December 4, 2000
Nov 21:
SCN00-110vtec_rlx_cca.pdf
Corrected:
Introduction and Testing of the Valid Time Event Code at the Charleston, WV Forecast Office: Effective
January 3, 2001
Nov 21:
SCN00-109sr_cwf.pdf
Five-Day Coastal Waters Forecast to be Implemented by National Weather Service Southern Region Coastal Offices: Effective
December 13, 2000
Nov 17:
SCN00-108cancel_ak_zn.pdf
Cancellation of Service Change Notices 00-74 and 00-98, Issued
October 10 and 13, 2000
Nov 17:
SCN00-74:
CANCELED
...see
SCN 00-108
Nov 17:
SCN00-98: CANCELED
...see
SCN 00-108
Nov 16:
SCN00-107hpc_win_wx.pdf
Proposed Changes to Hydrometeorological Prediction Center (HPC) 12- and 24-Hour Probabilistic Winter Weather Guidance Products for Certain Western and Southern States: Effective
December 18, 2000
Nov 8:
SCN00-52aab
Release Date for the Weekly Drought Monitor when Thursday is a Holiday: Effective
Wednesday, November 22, 2000
Oct 26:
SCN00-106_2_day_zfp.pdf
More Event Driven Issuance of Public Forecasts in Eastern United States: Effective
December 11, 2000
Oct 25:
SCN00-105sfp_box.pdf
New Format for the State Forecast Product for Southern New England: Effective
November 14, 2000
Oct 25:
SCN00-104sfp_okx.pdf
New Format for State Forecast Product for Extreme Southeast New York: Effective
November 14, 2000
Oct 25:
SCN00-103sfp_buf.pdf
New Format for Western New York State Forecast Product: Effective
November 14, 2000
Oct 25:
SCN00-102sfp_phi.pdf
New Format for New Jersey and Delaware State Forecast Product: Effective
November 14, 2000
Oct 24:
SCN00-101rdf_bgm
Digital Forecast Product from National Weather Service Binghamton, NY: Effective
November 15, 2000
Oct 24:
SCN00-100rdf_okx
New Digital Forecast Products from National Weather Service Office in Upton, NY: Effective
November 14, 2000
Oct 13:
SCN00-99zfp_jnu_cca.pdf
Corrected:
Change to Zone Forecast Products in Juneau, AK: Effective
November 16, 2000
Nov 17:
SCN00-98: CANCELED
...see
SCN 00-108
Oct 13:
SCN00-97zfp_anc_cca.pdf
Corrected:
Changes in Zone and Local Forecast Products in Alaska: Effective
November 16, 2000
Oct 13:
SCN00-69cca.pdf:
Changing some Public Forecast Zones in Montana: Effective
October 4, 2000
Oct 10:
SCN00-96stf_anc.pdf
Changes in Short-term and Local Forecast Products in Alaska: Effective
November 16, 2000
Oct 6:
SCN00-95ice.pdf
Change to Great Lakes Ice Program: Effective
Beginning of the 2000-2001 Ice Season
Oct 2:
SCN00-94sfp_oh.pdf
New Format for Ohio State Forecast Product: Effective
November 1, 2000
Oct 2:
SCN00-93sfp_gyx.pdf
New Format and New PIL identifier for Maine and New Hampshire State Forecast Products: Effective
November 1, 2000
Sep 28:
SCN00-92rdf_buf.pdf
Expanded Coded Cities Forecast and New Digital Zone Forecast Products from National Weather Service Buffalo, NY: Effective
October 30, 2000
Sep 28:
SCN00-91cae_sfp_term.pdf
Discontinuation of Narrative State Forecast Product for South Carolina: Effective
October 31, 2000
Sep 28:
SCN00-90aly_sfp_term.pdf
Discontinuation of Narrative State Forecast Product for Eastern New York: Effective
October 31, 2000
Sep 21:
SCN00-89sfp_ctp.pdf
New Format, WMO Header and Nine Character PIL Identifier for Pennsylvania State Forecast Product: Effective
October 16, 2000
Sep 21:
SCN00-88sfp_akq.pdf
New Format and WMO Header for Virginia State Forecast Product: Effective
October 16, 2000
Sep 21:
SCN00-87rdf_gyx.pdf
Expanded Coded Cities Forecast and New Digital Zone Forecast Products from National Weather Service Portland, ME: Effective
October 23, 2000
Nov 8:
SCN00-86zfp_7-day_aaa.pdf
Amended:
Zone Forecast Product Extended to a 7-Day Forecast: Effective
November 16, 2000
Sep 14:
SCN00-85rdf_akq.pdf
Expanded Coded Cities Forecast and Digital Zone Forecast Products from National Weather Service Wakefield, VA: Effective
October 2, 2000
Sep 14:
SCN00-84sfp_lwx.pdf
New Format for the Maryland and Eastern West Virginia Panhandle State Forecast Product: Effective
October 16, 2000
Sep 14:
SCN00-83rdf_phi.pdf
Expanded Coded Cities Forecast and New Digital Zone Forecast Products from National Weather Service Mt. Holly, NJ: Effective
October 16, 2000
Sep 13:
SCN00-82rdf_box.pdf
Expanded Coded Cities Forecast and New Digital Zone Forecast Products from National Weather Service Taunton, MA: Effective
October 11, 2000
Sep 13:
SCN00-81rdf_ilm.pdf
New Digital Forecast Product from National Weather Service Office in Wilmington, NC: Effective
September 27, 2000
Sep 13:
SCN00-80box_marine.pdf
Modification of Basic Marine Areas in New England: Effective
October 31, 2000
Sep 12:
SCN00-79day_6_and_7_cancel.pdf
Cancellation of Service Change Notice 00-78 Issued
September 11, 2000
Sep 12:
SCN00-78: CANCELED
...see
SCN00-79
Sep 5:
SCN00-77cca
.pdf:
Test Day 6 and 7 Surface Forecast Product: Effective
September 29, 2000
SCN00-76: CANCELED
SCN00-75: CANCELED
Nov 17:
SCN00-74:
CANCELED
...see
SCN 00-108
SCN00-73 NOT AVAILABLE:
Public Forecast and Local Watch/Warning/Advisory Responsibility Transfer to the Honolulu, HI Weather Forecast Office on
August 31, 2000
SCN00-72 NOT AVAILABLE:
Daily Issuance of National 8- to 14-Day Outlook Issued by the Climate Prediction Center: Effective
Monday, October 2, 2000
Jul 18:
SCN00-71.pdf:
New Digital Forecast Product from the National Weather Service State College, PA: Effective
September 1, 2000
Jul 10:
SCN00-70.pdf:
Expanded Coded Cities Forecast and Digital Forecast Products from the National Weather Service Baltimore/Washington: Effective
September 1, 2000
Oct 13:
SCN00-69cca.pdf
Corrected:
Changing some Public Forecast Zones in Montana: Effective
October 4, 2000
Jun 23:
SCN00-68.pdf:
Expanded Coded Cities Forecast and Digital Forecast Products from the National Weather Service Blacksburg, VA: Effective
July 17, 2000
Jun 12:
SCN00-67.pdf:
Implementation of Improved Zone Coverage and Names for Puerto Rico and the U.S. Virgin Islands: Effective
Tuesday July 18, 2000
Jun 12:
SCN00-66.pdf:
Zone Forecast Product Improvements from the Weather Forecast Office in Albuquerque, NM: Effective
July 5, 2000
Jun 14:
SCN00-65.pdf:
Zone Forecast Product Improvements for the Weather Forecast Office in Midland/Odessa, TX: Effective
June 14, 2000
Jun 12:
SCN00-64.pdf:
Zone Forecast Product Improvements for the Weather Forecast Office in Brownsville, TX: Effective
June 14, 2000
Jun 8:
SCN00-63.pdf:
New Format for South Carolina State Forecast Product: Effective
July 31, 2000
Jun 8:
SCN00-62.pdf:
New Format for the Eastern New York State Forecast Product: Effective
July 31, 2000
Jun 8:
SCN00-61.pdf:
Expanded Coded Cities Forecast from the National Weather Service in Wilmington, NC: Effective
July 31, 2000
Jun 8:
SCN00-60.pdf:
Expanded Coded Cities Forecast from National Weather Service in Greenville/Spartanburg, SC: Effective
July 31, 2000
SCN00-59 NOT AVAILABLE:
Expanded Coded Cities Forecast from the National Weather Service in Charleston, SC: Effective
July 31, 2000
Jun 8:
SCN00-58.pdf:
Expanded Coded Cities Forecast from the National Weather Service in Burlington, VT: Effective
July 31, 2000
Jun 8:
SCN00-57.pdf:
Expanded Coded Cities Forecast from the National Weather Service in Binghamton, NY: Effective
July 31, 2000
May 31:
SCN00-56.pdf:
New Standard Format Daily Climatological Report Product: Effective
July 1, 2000
May 30:
SCN00-55.pdf:
Format Change to Tropical Cyclone Forecast/Advisory Product
May 26:
SCN00-54.pdf:
Format Change to Fire Weather Forecasts in the NWS Eastern Region Offices: Effective
June 15, 2000
Jun 15:
SCN00-53_aaa.pdf
Amended:
Enhancements to the National 6- to 10-Day Outlook Issued by the Climate Prediction Center: New Effective Date
October 2, 2000
Nov 8:
SCN00-52aab.pdf
Release Date for the Weekly Drought Monitor when Thursday is a Holiday: Effective
Wednesday, November 22, 2000
May 18:
SCN00-51.pdf:
Expanded Coded Cities Forecast from the National Weather Service in State College, PA: Effective
June 5, 2000
May 10:
SCN00-50.pdf:
Change in Universal Geographic Code (UGC) for the Outlook for the Gulf of America: Effective
July 10, 2000
May 9:
SCN00-49.pdf:
Change in Site Location Identifiers in Severe Thunderstorm and Tornado Watch Bulletins: Effective
June 7, 2000
May 4:
SCN00-48.pdf:
Expanded Coded Cities Forecast and New Digital Forecast Products from the National Weather Service Pittsburgh, PA: Effective
June 1, 2000
Apr 21:
SCN00-47.pdf:
Ozone Alert Products for New York State: Effective
June 5, 2000
Apr 25:
SCN00-46.pdf:
Expanded Coded Cities Forecast and Digital Forecast Products from the National Weather Service in Albany, NY: Effective
May 8, 2000
Apr 25:
SCN00-45.pdf
Expanded Coded Cities Forecast and Digital Forecast Products from the National Weather Service in Columbia, SC: Effective
May 8, 2000
Apr 20:
SCN00-44.pdf
Further Implementation of Short-Term Forecast (NOW) Product in Alaska: Effective
April 21, 2000
May 11:
SCN00-43aaa.pdf
Updated:
New Excessive Heat Outlook Products: Effective
June 1, 2000
Apr 6:
SCN00-42.pdf
Gridded Ultraviolet Index (UVI) Database Available via the Internet: Effective
May 1, 2000
Mar 31:
SCN00-41.pdf
Transfer of the Cooperative Observation Summary and Miscellaneous Hydrologic Data Products in Louisiana: Effective
May 15, 2000
Mar 30:
SCN00-40.pdf
Modification of San Diego, CA Office Zone Areas and Zone Product: Effective
June 1, 2000
Mar 1:
SCN00-39.pdf
Change in the Zone Forecast Product Format for Two New Mexico Counties: Effective
April 3, 2000
Feb 18:
SCN00-38.pdf
Identifier Change for Spanish Translation of Tropical Cyclone Advisories and State Forecast Discussion: Effective
April 18, 2000
Feb 18:
SCN00-37.pdf
New Identifiers for Fort Lauderdale, FL Climate Summary Products: Effective
March 15, 2000
Feb 18:
SCN00-36.pdf
Identifier Changes for Abilene and San Angelo, Texas Climate Summary Products and Record Reports: Effective
February 29, 2000
Feb 4:
SCN00-35.pdf
Service Transfer of One Tennessee County from Nashville (OHX) to the Memphis, TN (MEG) Weather Forecast Office on
March 14, 2000
to Further Improve Customer Service
Feb 1:
SCN00-34.pdf
Transfer of Offshore Marine Forecast and Warning Responsibility from the Weather Forecast Offices in Miami, FL and New Orleans, LA to the Tropical Prediction Center: Effective
April 3, 2000
Jan 28:
SCN00-33.pdf
Reconfiguration of Public Forecast Zones Near Los Angeles, CA: Effective
March 29, 2000
Feb 2:
SCN00-32aaa.pdf
Updated
6- to 10-Day Outlook to Include Alaska: Effective
Monday, February 28, 2000
Jan 14:
SCN00-31.pdf
Use of All Municipality FIPS /c/ Codes in Puerto Rico for Short-Fused Products: Effective
March 6, 2000
Jan 14:
SCN00-30.pdf
Improved Services for Brownsville, TX: Direct Customers Away from Tide Product for Marine Forecasts: Effective
February 28, 2000
Jan 14:
SCN00-29cca.pdf
Corrected:
Implementation of Improved Zone Coverage for the Guadalupe Mountains, Van Horn Area, Davis Mountains and Lea County, NM: Effective
February 28, 2000
Jan 13:
SCN00-28.pdf
Implementation of Improved Zone Coverage for South Padre Island, TX: Effective
February 28, 2000
Jan 13:
SCN00-27.pdf
Improved Services for Key West, FL: Effective
March 6, 2000
SCN00-26 NOT AVAILABLE:
Reconfiguration of Zone Boundaries for Portions of Western Colorado and Eastern Utah: Effective
February 15, 2000
Dec 7:
SCN00-25.pdf
Addition of Universal Geographic Codes (UGCs) to Motoring Forecast for Southern Alaska Highways: Effective
February 3, 2000
Dec 7:
SCN00-24.pdf
Transfer of Tennessee State Forecast Product from Memphis to Nashville, TN: Effective
January 20, 2000
SCN00-23 NOT AVAILABLE:
Transfer of State Temperature and Precipitation Product from Fort Worth to Lubbock, TX: Effective
January 20, 2000
Dec 3:
SCN00-22.pdf
Fire Weather Forecasts in New Hampshire to be Produced by Two Weather Forecast Offices: Effective
February 1, 2000
Dec 3:
SCN00-21.pdf
Fire Weather Forecasts in Most of North Carolina to be Produced by Six Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 3:
SCN00-20.pdf
Fire Weather Forecasts in Maine to be Produced by Two Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 3:
SCN00-19.pdf
Fire Weather Forecasts in Maryland to be Produced by Four Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 3:
SCN00-18.pdf
Fire Weather Forecasts in Massachusetts to be Produced by Two Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 3:
SCN00-17.pdf
Fire Weather Forecasts for a Small Portion of Kentucky to be Produced by Two Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 2:
SCN00-16.pdf
Fire Weather Forecasts for a Small Portion of Indiana to be produced by One Weather Forecast Office in the NWS Eastern Region: Effective
February 1, 2000
Dec 2:
SCN00-15.pdf
Fire Weather Forecasts for a Small Portion of Georgia to be Produced by Two Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 2:
SCN00-14.pdf
Fire Weather Forecasts in Delaware to be Produced by One Weather Forecast Office in the NWS Eastern Region: Effective
February 1, 2000
SCN00-13 NOT AVAILABLE:
Fire Weather Forecasts in Connecticut to be produced by Three Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 2:
SCN00-12.pdf
Fire Weather Forecasts in West Virginia to be Produced by Four Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 2:
SCN00-11.pdf
Fire Weather Forecasts in Vermont to be Produced by Two Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 1:
SCN00-10.pdf
Fire Weather Forecasts in Most of Virginia to be Produced by Three Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 1:
SCN00-09.pdf
Fire Weather Forecasts in South Carolina to be Produced by Four Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 1:
SCN00-08.pdf
Fire Weather Forecasts in Rhode Island to be Produced by One Weather Forecast Office in the NWS Eastern Region: Effective
February 1, 2000
Dec 1:
SCN00-07.pdf
Fire Weather Forecasts in Pennsylvania to be Produced by Five Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 1:
SCN00-06.pdf
Fire Weather Forecasts in Most of Ohio to be Produced by Four Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
Dec 1:
SCN00-05.pdf
Fire Weather Forecasts in New York to be Produced by Five Weather Forecast Offices in the NWS Eastern Region: Effective
February 1, 2000
SCN00-04 NOT AVAILABLE:
Fire Weather Forecasts in New Jersey to be Produced by Two Weather Forecast Offices: Effective
February 1, 2000
SCN00-03 NOT AVAILABLE:
Zone Name Changes in the Greenville-Spartanburg (GSP), SC Weather Forecast Office: Effective
February 1, 2000
Nov 23:
SCN00-02.pdf
Addition of Universal Geographic Codes (UGCs) to Motoring Forecast for Interior Alaska Highways: Effective
January 21, 2000
Nov 1:
SCN00-01.pdf
Regional Temperature and Precipitation Tables to be Issued by NWS Central Region Weather Forecast Offices (WFOs): Effective
January 4, 2000
1999 Service Change Notices
Nov 9:
SCN99-102marine_zone_reconfig_ccb.pdf
orrected:
Renumbering and Reconfiguration of Numerous Marine Forecast Zones: Effective
November 30, 1999 or December 1, 1999
Oct 29:
SCN99-101ak_fcst_cli_changes.pdf
Changes in Local Forecast Products and Initiation of Climate Summaries for Alaska Weather Offices: Effective
December 30, 1999
Oct 22:
SCN99-100sfp_ar.pdf:
Coverage Area Improvement of Arkansas State Forecast Product: Effective
November 15, 1999
Oct 22:
SCN99-99north_tx_sfp.pdf:
Coverage Area Improvement of the North Texas State Forecast
Product: Effective November 15, 1999
Oct 15:
SCN99-98sfp_ok:
New Product Issuance: Oklahoma State Forecast: Effective
November 15, 1999
Oct 15:
SCN99-97al_fl_sfp.pdf:
Coverage Area Improvement of Alabama and Florida State Forecast Product: Effective
November 15, 1999
SCN99-96 NOT AVAILABLE:
Transfer of Fire Weather Service Responsibility to NWS San Juan, PR: Effective
November 15, 1999
Sep 30:
SCN99-95eyw_fire_wx.pdf:
Transfer of Fire Weather Service Responsibility to NWS Key West, FL: Effective
November 15, 1999
Sep 30:
SCN99-94jax_fire_wx.pdf:
Transfer of Fire Weather Service Responsibility to NWS Jacksonville, FL: Effective
November 15, 1999
Oct 4:
SCN99-93tae_fire_wx_cca.pdf
Corrected:
Transfer of Fire Weather Service Responsibility to NWS Tallahassee, FL: Effective
November 15, 1999
Sep 30:
SCN99-92mob_fire_wx.pdf:
Transfer of Fire Weather Service Responsibility to NWS Mobile, AL: Effective
November 15, 1999
Sep 24:
SCN99-91xfer_ne_mo.pdf:
Transfer of Zone Forecast, Short-Fused Warning and Hydrologic Responsibility for Clark and Scotland Counties in Northeast Missouri from WFO St. Louis, MO to Quad Cities/WFO Davenport, IA: Effective
November 30, 1999
SCN99-90 NOT AVAILABLE:
Coastal Flood Watch/Warning/Statement and Marine Weather Statement Responsibility Changes Along Coastal Maine: Effective
December 1, 1999
Sep 24:
SCN99-89xfer_marine_me.pdf:
Marine Forecast and Warning Transfers Along Coastal Maine: Effective
December 1, 1999
Sep 24:
SCN99-88ak_marine.pdf:
Changes to the Marine Forecast Program for Alaska: Effective
November 10, 1999
Sep 22:
SCN99-87sfd_to_afd.pdf:
Change of State Forecast Discussion Product (SFD) Headers to Area Forecast Discussion (AFD) Header: Effective
December 1, 1999
Sep 22:
SCN99-86xfer_car.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibilities for Zones Transferred to the Caribou, ME (CAR) National Weather Service Forecast Office (NWSFO) from the Portland/Gray, ME (GYX) NWSFO: Effective
December 1, 1999
Sep 22:
SCN99-85nwws_pwm.pdf:
New NOAA Weather Wire Product Identifier for Public Zone Forecasts From the Gray, ME (GYX) National Weather Service (NWS) Forecast Office (WFO): Effective
December 1, 1999
Sep 17:
SCN99-84xfer_mob.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the Mobile, AL Weather Forecast Office on
November 15, 1999
Sep 17:
SCN99-83ffc_ids.pdf:
Changes in Zone Forecast and State Forecast Discussion Identifiers and Area of Coverage for the Atlanta, GA Forecast Office: Effective
November 15, 1999
Sep 15:
SCN99-82bmx_ids.pdf:
Changes in Zone Forecast and State Forecast Discussion Identifiers and Area of Coverage for the Birmingham, AL Forecast Office: Effective
November 15, 1999
Sep 17:
SCN99-81mia_ids.pdf:
Change in Zone Forecast and State Forecast Discussion Identifiers and Area of Coverage Improvement for the Miami, FL Forecast Office: Effective
November 15, 1999
Sep 15:
SCN99-80mia_eyw_marine.pdf:
Improved Marine Zones Issued by Miami and Key West, FL: Effective November 15, 1999
Sep 17:
SCN99-79xfer_eyw.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the Key West, FL (EYW) Weather Forecast Office on
November 15, 1999
Sep 17:
SCN99-78jan_ids.pdf:
Changes in Zone Forecast and State Forecast Discussion Identifiers and Area of Coverage Improvement for the Jackson, MS Forecast Office: Effective
November 15, 1999
Sep 17:
SCN99-77xfer_jax.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the Jacksonville, FL Weather Forecast Office on
November 15, 1999
Sep 17:
SCN99-76xfer_tbw.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the Tampa Bay Area, FL (TBW) Weather Forecast Office on
November 15, 1999
Sep 17:
SCN99-75xfer_tae.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the Tallahassee, FL Weather Forecast Office on
November 15, 1999
Oct 7:
SCN99-74spc_watch_aaa.pdf
Amended:
Change of Product Format and Frequency of Issuance of Storm Prediction Center Watch Status Messages: Effective
October 18, 1999
Sep 14:
SCN99-73sfp_ca.pdf:
National Weather Service Forecast Office Generating and Disseminating the California State Forecast Product (SFP) Changes from Monterey, CA (KMTR) to Sacramento, CA (KSTO): Effective
October 13, 1999
Sep 3:
SCN99-72zfp_tx:
Change in the Zone Forecast Product Format for Two Texas Counties: Effective
November 1, 1999
Aug 13:
SCN99-71or_sw_wa_zones.pdf:
Reconfiguration of Zones in Oregon and Extreme Southwest Washington: Effective
October 13, 1999
Aug 31:
SCN99-70wr_zfp_cca.pdf
Corrected:
Change to Zone Forecast Product Format to Include the Three- to Five-Day Extended Forecast for 24 National Weather Service Forecast Offices in Western Region: Effective
October 13, 1999
Aug 11:
SCN99special.pdf:
Special Service Change Notice:
Three New National NWS Products for Significant Weather, Water and Climate Events
Aug 11:
SCN99-69.pdf:
Reconfiguration of Public Forecast Zones in San Joaquin Valley, CA and Extreme Northern CA: Effective
October 13, 1999
Aug 11:
SCN99-68.pdf:
Reconfiguration of Public Forecast Zones in Much of Nevada: Effective
October 13, 1999
Oct 4:
SCN99-67_cca.pdf
Corrected
New NOAA Weather Wire Service Public Zone Forecast Product Identifier for Zones in Most of Utah and Parts of Idaho and Wyoming: Effective
October 13, 1999
Aug 4:
SCN99-66.pdf
Changes in the Open Lake Forecast Product to Incorporate Great Lakes Marine Synopsis and Great Lakes Storm Outlook Products: Effective
September 15, 1999
Jul 16:
SCN99-65.pdf
Implementation of Short-Term Forecast (NOW) Product in Alaska: Effective
September 1, 1999
Jul 16:
SCN99-64.pdf
Changes in Zone Forecast Products and Initiation of Climate Summaries for Southeast Alaska: Effective
September 1, 1999
Jul 16:
SCN99-63.pdf
AFOS-NWWS ID/WMO Heading Changes for Products Issued by the Weather Forecast Office in Indianapolis, IN: Effective
September 15, 1999
Jul 16:
SCN99-62.pdf:
Forecast Responsibilities for 24 Zones in Northern Indiana, Five Zones in Southern Michigan and Eight Zones in Northwest Ohio Transferred to the Weather Forecast Office in Northern Indiana: Effective
Wednesday, September 15, 1999
Jul 12:
SCN99-61.pdf:
New NOAA Weather Wire Product Identifier for Public Zone Forecasts from the Cleveland, OH (CLE) National Weather Service Forecast Office (NWSFO): Effective
September 15, 1999
Jul 9:
SCN99-60.pdf:
Consolidated Daily California State Temperature and Precipitation Tables
Jul 2:
SCN99-59.pdf:
Reconfiguration of Zone Forecast Boundaries in Walsh County, ND: Effective
September 1, 1999
Jul 9:
SCN99-58_cca.pdf
Corrected:
New NWWS Identifiers for Zone Forecasts and New NWWS IDs/WMO Headings for Forecast Discussions: Effective
July 15, 1999
May 27:
SCN99-57.pdf:
Change of WMO Headings for Short-Fused Products and Related Forecasts, Statements and Advisories from the Midland, TX (MAF) Weather Forecast Office: Effective on
July 15, 1999
May 24:
SCN99-56.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the San Angelo, TX (SJT) Weather Forecast Office on
July 15, 1999
May 24:
SCN99-55.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the Shreveport, LA (SHV) Weather Forecast Office on
July 15, 1999
May 24:
SCN99-54.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the Nashville, TN (OHX) Weather Forecast Office on
July 15, 1999
May 28:
SCN99-53_cca.pdf
Corrected:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the Morristown, TN (MRX) Weather Forecast Office on
July 15, 1999
May 21:
SCN99-52.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the Memphis, TN (MEG) Weather Forecast Office on
July 20, 1999
May 21:
SCN99-51.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the Midland, TX (MAF) Weather Forecast Office on
July 15, 1999
May 21:
SCN99-50.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the Lake Charles, LA (LCH) Weather Forecast Office on
July 15, 1999
May 21:
SCN99-49.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibility Transfer to the El Paso, TX (EPZ) Weather Forecast Office on
July 15, 1999
Jun 15:
SCN99-48_aaa.pdf
Amended:
Name and Identifier Changes for the State Forecast Discussion Due to Service Transfer on
July 15, 1999
May 14:
SCN99-47.pdf:
Transfer of Product Responsibility for Mitchell County, TX to the Midland, TX (MAF) Weather Forecast Office on
July 15, 1999
May 13:
SCN99-46.pdf:
Short-Fused County Warning Area for Caribou, ME (CAR) Expands on
July 20, 1999
Jun 15:
SCN99-45_cca.pdf
Corrected:
1. Forecast Responsibilities for Zones in Central and Southwest Missouri and Extreme Southeast Kansas Transferred to the Weather Forecast Office in Springfield, MO: Effective
Wednesday, July 7, 1999
and
2. NWWS ID/WMO Heading Changes for Selected Products Issued by National Weather Service Forecast Office St. Louis, MO
May 13:
SCN99-44_cca.pdf
Corrected:
1. Forecast Responsibilities for Zones in Central Illinois Transferred to the Weather Forecast Office in Central Illinois: Effective Wednesday, July 7, 1999…
and
2. NWWS ID/WMO Heading Changes for Products Issued by Weather Forecast Office Chicago, IL
May 7:
SCN99-43.pdf:
New NOAA Weather Wire Product Identifier for Public Zone Forecasts from the Charleston, WV National Weather Service Forecast Office (NWSFO): Effective
Tuesday, July 15, 1999
May 7:
SCN99-42.pdf:
New NOAA Weather Wire Product Identifier for Public Zone Forecasts from the Raleigh, NC (RAH) National Weather Service Forecast Office (NWSFO): Effective
July 15, 1999
May 7:
SCN99-41.pdf:
Change of State Forecast Discussion Product (SFD) Headers to Area Forecast Discussion (AFD) Headers for NWS Offices in Raleigh, NC and Charleston, WV: Effective
July 15, 1999
Aug 31:
SCN99-40_cca.pdf
Corrected:
Service Transfer of One Alabama County to the Mobile, AL Weather Service Office on
September 22, 1999
Sep 15:
SCN99-39_cca.pdf
Corrected:
Quitman County, GA - Short-Fused Service Transfer to the Tallahassee Weather Service Office and Long-Fused Service Transfer to the Atlanta, GA Weather Service Forecast Office on
September 22, 1999
Aug 5:
SCN99-38_aab.pdf
Reinstated
/Amended:
Service Transfer of Three Georgia Counties to the Atlanta, GA (ATL) Weather Forecast Office on
September 22, 1999
Apr 20:
SCN99-37.pdf:
New NOAA Weather Wire Product Identifier for Public Zone Forecasts from the New York, NY (OKX) National Weather Service Forecast Office (NWSFO), and Inclusion of Days 3, 4 and 5 Forecasts: Effective
Tuesday, June 15, 1999
Apr 20:
SCN99-36.pdf:
New NOAA Weather Wire Product Identifier for Public Zone Forecasts from the Boston, MA (BOX) National Weather Service Forecast Office (NWSFO), and Inclusion of Days 3, 4 and 5 Forecasts: Effective
Tuesday, June 15, 1999
Apr 20:
SCN99-35.pdf:
New NOAA Weather Wire Product Identifier for Public Zone Forecasts from the Albany, NY (ALY) National Weather Service Forecast Office (NWSFO), and Inclusion of Days 3, 4 and 5 Forecasts: Effective
Tuesday, June 15, 1999
Apr 19:
SCN99-34.pdf:
Change of State Forecast Discussion (SFD) Product Headers to Area Forecast Discussion (AFD): Effective
June 15, 1999
Apr 19:
SCN99-33.pdf:
1. Forecast Responsibilities for Zones in Northeast Wisconsin Transferred to the Weather Forecast Office in Green Bay, WI: Effective
Tuesday, June 15, 1999
…and 2. Changes to NWWS ID/WMO Heading for Selected Products Issued by the Milwaukee/Sullivan, WI Forecast Office: Also Effective
Tuesday, June 15, 1999
Apr 1:
SCN99-32.pdf:
Transfer of Short-Fused Public and Marine Warning Responsibility for Lower Monroe County (i.e., the Keys) in Florida to the Key West, FL Weather Service Office: Effective
May 18, 1999
Mar 31:
SCN99-31.pdf:
Grand Junction, Colorado Weather Forecast Office’s Short-Fused County Warning Area Expands to Include Most of San Juan County, UT: Effective
April 6, 1999
Mar 30:
SCN99-30.pdf:
Product Identifier and WMO Heading Changes for Southeast Wyoming and Western Nebraska Forecast Discussion and Land Management Forecast Issued by the Cheyenne, WY Forecast Office: Effective
May 25, 1999
Mar 26:
SCN99-29.pdf:
Pueblo, CO Weather Service Office’s Short-Fused County Warning Area Expands to Include Lake County, CO: Effective
April 6, 1999
Mar 22:
SCN99-28.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibilities for Zones Transferred to the Burlington, VT (BTV) NEXRAD Weather Service Office (NWSO): Effective
May 25, 1999
Mar 12:
SCN99-27.pdf:
Transfer of Some West Coast Marine Forecast Responsibilities: Effective
5AM PST May 4, 1999
Mar 4:
SCN99-26.pdf:
New NOAA Weather Wire Product Identifier for Public Zone Forecasts from the Columbia, SC (CAE) National Weather Service (NWS) Forecast Office (WFO), and Day 4 and Day 5 Forecast Included in CAE Zone Forecast Product: Effective
April 27, 1999
Mar 4:
SCN99-25.pdf:
All Effective
March 29, 1999
1. New NOAA Weather Wire Product Identifier for Public Zone Forecasts from the Baltimore-Washington National Weather Service (NWS) Forecast Office (WFO) – WBCZFPLWX…2. Inclusion of Day 4 and Day 5 Forecast in the New Zone Forecast Product – WBCZFPLWX…3. State Forecast Discussion WBCSFDWBC - FXUS71 KLWX Replaced by the Area Forecast Discussion WBCAFDLWX – FXUS61 KLWX
Feb 23:
SCN99-24.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibilities for Zones Transferred to the Charleston, SC (CHS) Weather Forecast Office: Effective
April 27, 1999
Feb 23:
SCN99-23.pdf:
1. Forecast Responsibility for Lake Superior will be Transferred to the Weather Forecast Office in Marquette, MI: Effective
Tuesday, April 6, 1999
...and 2. Lakeshore Warning and Statement Responsibility Transferred to Weather Forecast Offices in Marquette, MI, Northern Lower Michigan, Grand Rapids, MI, Duluth, MN and Green Bay, WI: Effective
Tuesday, April 6, 1999
Feb 12:
SCN99-22.pdf:
Transfer of Fire Weather Service Responsibility to the Houston, TX National Weather Service Office: Effective
March 15, 1999
Feb 12:
SCN99-21.pdf:
Forecast Responsibilities for Twenty-Seven (27) Zones in Central and Western Wyoming Transferred to the Weather Service Forecast Office in Riverton, WY: Effective
Tuesday, April 6, 1999
Feb 12:
SCN99-20.pdf:
1. Forecast and Long-Fused Watch/Warning/Advisory Responsibility for Much of Michigan will be Transferred to the Weather Forecast Offices in Grand Rapids, Gaylord and Marquette, MI: Effective
Tuesday, April 6, 1999
…and 2. Changes to NWWS ID/WMO Heading for Selected Products Issued by the Detroit/White Lake, MI Forecast Office: Also Effective
Tuesday, April 6, 1999
Feb 11:
SCN99-19.pdf:
1. Forecast and Long-Fused Watch/Warning/Advisory Responsibility for Much of Colorado Transferred to the Weather Forecast Offices in Pueblo and Grand Junction, CO: Effective
Tuesday, April 6, 1999
…and 2. Changes to NWWS ID/WMO Heading for Selected Products Issued by the Boulder/Denver, CO Forecast Office: Also Effective
Tuesday, April 6, 1999
Feb 11:
SCN99-18.pdf:
Forecast Responsibilities for Thirty-Three (33) Counties in Eastern Kentucky Transferred to the Weather Service Forecast Office in Jackson, KY: Effective
Tuesday, April 6, 1999
Mar 25:
SCN99-17_aaa.pdf
Updated:
Realignment of Zone Forecast Boundaries in Central Colorado and Southeast Utah: Effective April 6, 1999
Feb 10:
SCN99-16.pdf:
Forecast Responsibilities for Twenty-Six (26) Counties in South Dakota and Two Counties in Western Minnesota Transferred to the Weather Service Forecast Office in Aberdeen, SD and Change in Sioux Falls, SD (FSD) Zone Forecast Product Identifier: All Effective
Tuesday, April 6, 1999
Feb 10:
SCN99-15.pdf:
Changes to NWWS ID for Zone Forecasts from the Twin Cities/Chanhassen, MN Weather Forecast Office and NWWS ID/WMO Heading Changes for its Forecast Discussion and Weather Summary: All Effective
April 6, 1999
Feb 10:
SCN99-14.pdf:
Forecast Responsibilities for Twenty-One (21) Zones in Western South Dakota and Five (5) Zones in Northeastern Wyoming Transferred to the Weather Service Forecast Office in Rapid City, SD and Change in Sioux Falls, SD Zone Forecast Product Identifier: All Effective
Tuesday, April 6, 1999
Jan 22:
SCN99-13.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibilities for Zones Transferred to the Wakefield, VA (AKQ) Weather Forecast Office: Effective
March 29, 1999
Jan 22:
SCN99-12.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibilities for Zones Transferred to the Wilmington, NC (ILM) Weather Forecast Office: Effective
March 29, 1999
Jan 21:
SCN99-11.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibilities for Zones Transferred to the Newport, NC (MHX) Weather Forecast Office: Effective
March 29, 1999
Jan 21:
SCN99-10.pdf:
Forecast and Long-Fused Watch/Warning/Advisory Responsibilities for Zones Transferred to the Blacksburg, VA (RNK) Weather Forecast Office: Effective
March 29, 1999
Feb 19:
SCN99-09
cca.pdf
Corrected:
Transfer of Public and Marine Forecast Responsibilities to the Brownsville, TX Weather Forecast Office: Effective
March 15, 1999
Jan 15:
SCN99-08.pdf:
Transfer of Public and Marine Forecast Responsibilities to the Corpus Christi, TX Weather Forecast Office: Effective
March 15, 1999
Mar 4:
SCN99-07_aaa.pdf
Updated:
Transfer of Public and Marine Forecast Responsibilities to the Houston, TX Weather Forecast Office: Effective
March 15, 1999
Jan 15:
SCN99-06.pdf:
Transfer of Public and Marine Forecast Responsibilities to the Melbourne, FL Weather Forecast Office: Effective
March 15, 1999
Feb 5:
SCN99-05_cca.pdf
Corrected:
Addition of Universal Geographic Codes to Marine Forecast Areas for Southeast Alaska: Effective
February 12, 1999
Jan 14:
SCN99-04.pdf:
Transfer of Forecasts for Twenty-Two (22) Zones in Northeast Wisconsin to the Green Bay, WI WFO: Communications Identifiers and Headings: Effective
Tuesday, March 2, 1999
Jan 14:
SCN99-03.pdf:
Changes to NWWS ID for Zone Forecasts from the Des Moines, IA and Milwaukee, WI Weather Forecast Offices and NWWS ID/WMO Heading Changes for the Des Moines, IA Office’s Forecast Discussion and Weather Summary: All Effective
March 2, 1999
Jan 13:
SCN99-02.pdf:
Forecast Responsibilities for Zones in Western/Southwest Wisconsin, Northeast Iowa and Southeast Minnesota Transferred to the Weather Forecast Office in La Crosse, WI: Effective
Tuesday, March 2, 1999
Jan 13:
SCN99-01.pdf:
Forecast Responsibilities for Fifteen (15) Zones in Northeast Minnesota and Eight (8) Zones in Northwest Wisconsin Transferred to the Weather Forecast Office in Duluth, MN: Effective
Tuesday, March 2, 1999
1997 Service Change Notices
​
Sep 29:
SCN97puerto.pdf
Reconfiguration of Puerto Rico/U.S. Virgin Islands Coastal Marine Forecast Zones: Effective
December 2, 1997
Sep 29:
SCN97-05al_zone_changes.pdf:
Short-Fuse County Warning Transfer Notice 97-05: WFO Birmingham, AL’s Short-Fused County Warning Area Expands: Effective
December 2, 1997
Sep 26:
SCN97pr_marine_zones.pdf:
Reconfiguration of Pacific Coastal Marine Forecast Zones along Hawaii Coasts, Northern Mariana Islands and American Samoa: Effective
December 2, 1997
Sep 25:
SCN97ak_marine_zones_part_1.pdf:
Reconfiguration of Coastal Marine Forecast Zones Along Alaska Coasts: Effective
December 2, 1997
...Part 1 of 2-Part Message
Sep 25:
SCN97ak_marine_zones_part_2.pdf:
Reconfiguration of Coastal Marine Forecast Zones Along Alaska Coasts: Effective
December 2, 1997
...Part 2 of 2-Part Message
Sep 24
SCN97gulf_coast_marine_zones_part_1.pdf:
econfiguration of Coastal Marine Forecast Zones Along the Gulf of America: Effective
December 2, 1997
...Part 1 of 2-Part Message
Sep 24:
SCN97gulf_coast_marine_zones_part_2.pdf:
Reconfiguration of Coastal Marine Forecast Zones Along the Gulf of America: Effective
December 2, 1997
...Part 2 of 2-Part Message
Sep 23:
SCN97east_coast_marine_zones_part_1.pdf:
Reconfiguration of Atlantic Coastal Marine Forecast Zones Along the Southeast U.S. Coast: Effective
December 2, 1997
...Part 1 of 2-Part Message
Sep 23:
SCN97east_coast_marine_zones_part_2.pdf:
Reconfiguration of Atlantic Coastal Marine Forecast Zones Along the Southeast U.S. Coast: Effective
December 2, 1997
...Part 2 of 2-Part Message
Sep 22:
SCN97ne_mid_atl_marine_zones_part_1.pdf:
Reconfiguration of Atlantic Coastal Marine Forecast Zones Along the Northeast and Mid-Atlantic Coasts:  Effective
December 2, 1997
...Part 1 of a 2-Part Message
Sep 22:
SCN97ne_mid_atl_marine_zones_part_2.pdf:
Reconfiguration of Atlantic Coastal Marine Forecast Zones Along the Northeast and Mid-Atlantic Coasts:  Effective
December 2, 1997
...Part 2 of a 2-Part Message
Jun 2:
SCN97sea_pdx_zone_transfer.pdf:
Short-Fuse County Warning Area Change Notice 97-3: Seattle-Tacoma, WA Weather Service Forecast Office's Short-Fuse County Warning Area Expands: Effective
July 1, 1997
May 29:
SCN97tx_zone_transfer.pdf:
Short-Fuse County Warning Area Transfer Notice 97-02: San Angelo, TX Weather Service Office’s Short-Fused County Warning Area Expands: Effective
August 1, 1997
May 23:
SCN97west_tx_zone_changes.pdf:
Realignment of the Boundaries Between Two Zones in West Texas: Effective
July 1, 1997
Jun 1:
SCN97wa_zone_changes.pdf:
Reconfiguration of Public Forecast Zones in Washington State: Effective
July 1, 1997
May 20:
SCN97mt_zone_transfer_cca.pdf
Corrected:
Short-Fused County Warning Area Transfer Notice 97-1: Great Falls, MT Weather Service Forecast Office's Short-Fused County Warning Area Expands: Effective
October 1, 1997
Technical Implementation Notices (TINs) 2016-1997
TINs 2016 (last year for Technical Implementation Notices)
Dec 16:
TIN16-44:
Aircraft Observations Over South America Added: Effective on
November 2, 2016
Dec 12:
TIN16-43:
Implementation of Temporary TAF Service for David Wayne Hooks Memorial Airport (DWH) Houston, TX: Effective
January 23, 2017
through
February 12, 2017
Dec 12:
TIN16-42:
Additions and Changes to the BUFR Station Lists for the NAM, RAP, HRRR, SREF, and Hi-Res Windows: Effective
January 10, 2017
Dec 12:
TIN16-41:
Upgrade to the North American Mesoscale (NAM) Forecast System and Discontinuation of Downscaled GFS by NAM Extension (DGEX) Forecast System: Effective
February 1, 2017
Dec 5:
TIN16-40:
Earlier Delivery Times for HIRES Window and HREF Products: Effective
January 4, 2017
Oct 26:
TIN16-39:
Operational Implementation of AWC Impacts TAF Board: Effective
November 28, 2016
Sep 22:
TIN16-38:
Addition of Grids for the 0.25 Inch (~6 mm) Threshold of Experimental Day 4-7 Winter Weather Outlook as an Experimental Element in the National Digital Forecast Database (NDFD) for the CONUS: Effective
October 11, 2016
Sep 19:
TIN16-37:
Washington GISC Data Center Move and OpenWIS Software Upgrade: Effective
September 16, 2016
Sep 15:
TIN16-36:
Aircraft Observations Using BUFR7: Effective
December 1, 2016
Sep 15:
TIN16-35:
GPS-PW Changes on NCEP Servers: Effective
September 27, 2016
Dec 2:
TIN16-34 Amended:
Implementation of New METAR and TAF Collectives for the United States for International Distribution: Effective
December 8, 2016
Oct 18:
TIN16-31 Amended:
Changes to GFS-based Model Output Statistics (MOS) Guidance: Effective On or About
November 15, 2016
Oct 18:
TIN16-32 Amended:
Updates to Ensemble Kernel Density MOS (EKDMOS): Effective
November 15, 2016
Oct 18:
TIN16-33 Amended:
Implementation of Experimental National Blend of Models Guidance: Effective
November 15, 2016,
and Request for Comments
Aug 1:
TIN16-30:
Implementation of National Water Model: Effective
August 16, 2016
Jul 29:
TIN16-29:
Implementation of Terminal Aerodrome Forecast (TAF) Services for Santa Monica, CA (KSMO) San Bernardino, CA (KSBD) and Camarillo, CA(KCMA) Airports: Effective
October 18, 2016
Jul 26:
TIN16-28
Corrected:
Transition of the 6km Alaska Forecast Grids from Experimental to Operational Status: Effective
August 24, 2016
Aug 23:
TIN16-27:
RTMA, URMA, NAM DNG and SREF Upgrade: Effective
August 23, 2016
Aug 23:
TIN16-26:
Upgrade to the Rapid Refresh (RAP) and the High-Resolution Rapid Refresh (HRRR) Analysis and Forecast System Effective
August 23, 2016
Jul 14:
TIN16-25 Corrected:
Implementation of Terminal Aerodrome Forecast (TAF) Services for Driggs-Reed Memorial, ID Airport (KDIJ) and Ennis-Big Sky, MT Airport (KEKS): Effective
September 29, 2016
Nov 15:
TIN16-24 Amended:
Level III NEXRAD Data Collected from two Overseas Radars On or Around
January 16, 2017
Jul 14:
TIN16-23:
Eight NWS Upper Air Stations to Use GPS Lockheed Martin LMS-6 403 MHz Radiosonde with the Lockheed Martin Groundstation (LMG) Starting Between
August 15, 2016 and October 15, 2016
Dec 7:
TIN16-22 Amended:
The Nearshore Wave Prediction System (NWPS) Data Will be Provided Over the SBN and NOAAPort on or about
November 17, 2016,
for Western, Pacific and Alaska Region WFOs
Jul 19:
TIN16-21 Amended
: Model Analysis and Guidance Website Imagery Product URL Path Change on or about
August 16, 2016
Jun 27:
TIN16-20:
FNMOC NAVGEM Upgrade on NCEP Servers: Effective
June 28, 2016
Jun 13:
TIN16-19:
Change in TDWR Elevation Angles Beginning
July 18, 2016
Jun 23:
TIN16-18 Amended:
Hurricane Weather and Research Forecast (HWRF) Model Changes: Effective
July 12, 2016
Jun 9:
TIN16-17:
GFDL Hurricane Prediction System Changes: Effective
July 12, 2016
Jun 9:
TIN16-16:
NCEP Model Analysis and Guidance Web Page Replicating: Effective
June 20, 2016
Jul 14:
TIN16-15 Amended:
Changes to North American Mesoscale Model (NAM)-based Model Output Statistics (MOS) Guidance: Effective
August 16, 2016
May 26:
TIN16-14:
Implementation of Temporary Terminal Aerodrome Forecasts (TAF) for Cuyahoga County, OH Airport: Effective
July 12-25, 2016
Jun 10:
TIN16-13 Amended:
Changes to Gridded Localized Aviation Model Output Statistics Program (LAMP): Effective
June 14, 2016
Apr 14:
TIN16-12:
NEXRAD Level-II format at NCEI Archive Changes Scheduled To Begin
June 1, 2016
Apr 21:
TIN16-11 Amended:
Global Forecast System (GFS) Upgrade:
Effective
May 11, 2016
Apr 1:
TIN16-10 Corrected:
URGENT ANNOUNCEMENT: Radiosonde Observations (RAOB) at Lihue, HI Return to Normal Operation: Effective
May 13, 2016
Mar 25:
TIN16-09:
Reset of Ocean Initial Conditions in the Operational Climate Forecast System Version 2 (CFSv2) to Remove Atlantic Ocean Cold Bias
March 28, 2016
Apr 19:
TIN16-08 Amended:
Upgrading National Ocean Service's Lake Erie Operational Forecast System: Effective
May 3, 2016
Mar 14:
TIN16-07:
RDA/RPG Build 17.0 Beta Test Tentatively Scheduled To Begin
April 4, 2016
Apr 5:
TIN16-06 Amended:
Cancelled NGAC Aerosol Forecast System: Effective April 5, 2016
Jun 6:
TIN16-05 Amended:
Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) Model Update: Effective
July 6, 2016
Mar 17:
TIN16-04 Amended:
Global Forecast System (GFS) product removal from NOAAPort: Effective
March 23, 2016
Mar 4:
TIN16-03 Amended:
Addition of GEFS/NAEFS Bias Corrected Products and Downscaled Products for Alaska and CONUS: Effective
March 29, 2016
Mar 4:
TIN16-02 Amended:
Climatology Calibrated Precipitation Analysis (CCPA) Changes: Effective
March 29, 2016
Feb 23:
TIN15-17wsr-88d17_aaa.pdf
Amended:
WSR-88D Software Build 17 Changes To Be Deployed
September 2016
Feb 10:
TIN16-01:
Modifying Product Dissemination Time of the NCEP/FNMOC Combined Wave Ensemble Product (NFCENS): Effective
March 14, 2016
Jan 5:
TIN15-33nam_aac.pdf
Amended:
Changes to North American Mesoscale Model (NAM)-based Model Output Statistics (MOS) Guidance: Effective
Wednesday, January 13, 2016
Nov 8, 2016:
TIN09-41_88d_aae.pdf
Amended:
Turn Off Date for WSR-88D Low-Resolution Products Changed to
October 2, 2017
TINs 2015
Dec 21:
TIN15-01madis_v1_aab.pdf
Amended:
Nearshore Wave Prediction System (NWPS) Data will be Provided over the Satellite Broadcast Network (SBN) and NOAAPort on or about
January 5, 2016
Jan 8:
TIN14-40multi-wave_cca.pdf
Corrected:
Changes to the Hurricane (Multi_2) and the Global (Multi_1) Wave Models: Effective
January 7, 2015
Jan 28:
TIN14-52wave_glw_cca.pdf
Corrected:
Changes to the Great Lakes Wave (GLW) System: Effective
January 28, 2015
Jan 28:
TIN15-02glwn.pdf
Updated NDFD-forced Late Run (GLWN) of the Great Lakes Wave Model System (GLW) Model Grid Data will be Provided over the Satellite Broadcast Network (SBN) and NOAAPort: Effective
April 28, 2015
Jan 30:
TIN15-03wsr-88d_build_16.pdf
WSR-88D Software Build 16 Beta Test and Deployment Starting
March 9, 2015
Jan 30:
TIN15-04wsr-88d_meso-sails.pdf
WSR-88D MESO-SAILS Field Test Sites Beginning
May 2015
Mar 9, 2017:
TIN15-05big_rsc_snowfall_aaa.pdf
Updated:
Modification of the National Operational Hydrologic Remote Sensing Center (Now the Office of Water Prediction (OWP)) Prototype Gridded Snowfall Analysis Product: Effective
March 15, 2017
Feb 9:
TIN15-06cwa_mis.pdf
Center Weather Advisory (CWA) and Meteorological Impact Statement (MIS) Testing from
February through April 2015
Feb 24:
TIN15-07tracker_avno_cca.pdf
Corrected:
Changes to Identifier for GFS Track Guidance in ATCF Output: Effective
April 7, 2015
Mar 24:
TIN15-08rtma_urma_aaa.pdf
Amended:
RTMA and URMA Upgrade: Effective
April 14, 2015
Feb 20:
TIN15-09gfs_mos_warm_season.pdf
Changes to Global Forecast System (GFS)-based Model Output Statistics (MOS) Guidance: Effective on or about
Tuesday, March 24, 2015
Feb 27:
TIN15-10map_viewer_ops.pdf
Transition of the National Digital Forecast Database Map Viewer from Experimental to Operational Status: Effective
March 31, 2015
Mar 4:
TIN15-11wsr_88d_tdwr.pdf
More Frequent Products from Remaining FAA TDWRs to Begin Dissemination on
April 7, 2015
Mar 17:
TIN15-12updated_ekdmos.pdf
Ensemble Kernel Density Model Output Statistics Added to SBN and NOAAPort: Effective on or about
Tuesday, April 21, 2015
Mar 19:
TIN15-13wsr-88d_level_3_removal.pdf
Dissemination of three WSR-88D Products via SBN/NOAAPort and RPCCDS to Cease
May 13, 2015
Mar 24:
TIN15-14lms_upper_air.pdf
Five NWS Upper Air Stations to Use GPS Lockheed Martin LMS-6 Radiosonde with the Radiosonde Replacement Systems (RRS) Starting in
April 2015
Mar 27:
TIN15-15estofs_pacific.pdf
Addition of ESTOFS Pacific over the SBN and NOAAPort.  GRIB Encoding Change to ESTOFS Pacific on NCEP Servers: Effective
June 9, 2015
Mar 20, 2017:
TIN15-16tc_threat_grids_aaa.pdf
Updated:
Tropical Cyclone Threat Grids in the National Digital Forecast Database will Transition to Operational: Effective
June 1, 2017
Feb 23, 2016:
TIN15-17wsr-88d_17_aaa.pdf
Amended:
WSR-88D Software Build 17 Changes to be Deployed
September 2016
Apr 1:
TIN15-18etss.pdf
Extra-Tropical Storm Surge (ETSS) Model and Post-Processing Upgrades: Effective
May 19, 2015
Apr 14:
TIN15-19kifp_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Laughlin-Bullhead City, AZ Airport (KIFP): Effective
July 1, 2015
Apr 23:
TIN15-20cfs.pdf
Distribution of CFS-DNG Data via NOAAPort: Effective
June 16, 2015
Aug 6:
TIN15-21ftpprd_end_aaa.pdf
Amended:
Discontinuation of the NCEP FTP Server at an Effective
Date To Be Determined
Sep 26:
TIN15-22nam_dng_dgex_aaa.pdf
Amended:
The Nearshore Wave Prediction System (NWPS) Data will be Provided over the Satellite Broadcast Network (SBN) and NOAAPort on or about
October 25, 2016
May 5:
TIN15-23taf_pakw_alaska
Implementation of Terminal Aerodrome Forecast (TAF) Service for Klawock, AK (PAKW): Effective
June 1, 2015
May 7:
TIN15-24goes-r_imagery.pdf
Add Simulated Geostationary Operational Environmental Satellites - R Series (GOES-R) Imagery to the Satellite Broadcast Network (SBN or NOAAPort): Effective
May 7, 2015
May 11:
TIN15-25hwrf.pdf
Hurricane Weather and Research Forecast (HWRF) Model Changes: Effective
June 9, 2015
May 11:
TIN15-26gfdl.pdf
GFDL Hurricane Prediction System Changes: Effective on or about
Tuesday, June 9, 2015
Aug 12:
TIN15-27hires_w_aab.pdf
Amended:
Upgrade to HIRES Window and Introduction of High-Resolution Ensemble Forecast: Effective
September 8, 2015
Jun 11:
TIN15-28ndfd_latency_aaa.pdf
Amended:
Increasing Frequency of Updates to the National Digital Forecast Database (NDFD): Effective
Tuesday, June 30, 2015
Jun 9:
TIN15-29us_crn_precip_algorithm.pdf
Precipitation Calculation Algorithm Change for the Hourly02 and Daily01 USCRN Products: Effective
August 17, 2015
Jul 22:
TIN15-30bufr_sta_ids_aab.pdf
Amended:
Additions and Changes to the BUFR station lists for the NAM, RAP, HRRR and Hi-Res Windows: Effective
July 28, 2015
Jun 16:
TIN15-31disc_satellite_nomads.pdf
Discontinue NCEP ftpprd/NOMADS Distribution of GOES Satellite Imagery: Effective
August 4, 2015
Oct 20:
TIN15-32sref_aae.pdf
Amended:
Upgrade the Short Range Ensemble Forecast System: Effective
October 21, 2015
Jan 5, 2016:
TIN15-33nam_aac.pdf
Amended:
Changes to North American Mesoscale Model (NAM)-based Model Output Statistics (MOS) Guidance: Effective
Wednesday, January 13, 2016
Oct 16:
TIN15-34gfs_mos_aaa.pdf
Amended:
Changes to GFS-based Model Output Statistics (MOS) Guidance: Effective
October 19, 2015
Jul 2:
TIN15-35rtma_airport_tmp.pdf
Addition of new RTMA Airport Temperature Text Product: Effective
July 7, 2015
Jul 2:
TIN14-49mrms_ccb.pdf
Corrected:
Multi-Radar, Multi-Sensor System Products Added to SBN and NOAAPort: Effective
July 8, 2015
Oct 5:
TIN15-36global_rtofs_aac.pdf
Amended:
Upgrade to Global-Real Time Ocean Forecast System (RTOFS): Effective
October 17, 2017
Jul 24:
TIN15-37wpc_rain.pdf
Change to the Product Definition Template 4.8 Generating Process Identifier for the WPC Day 1-3 Excessive Rainfall Outlook GRIB2 Files: Effective
September 28, 2015
Jul 27:
TIN15-38nosofs.pdf
Updating National Ocean Service’s Oceanographic Forecast Modeling Systems: Effective
October 6, 2015
Oct 20:
TIN15-39etss_aab.pdf
Amended:
Extra-Tropical Storm Surge (ETSS) Model and Post-Processing Upgrades: Effective
November 3, 2015
Aug 17:
TIN15-40taf_great_bend_ks.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Great Bend Municipal Airport, Great Bend, KS: Effective
October 29, 2015
Oct 19:
TIN15-41gridded_lamp_aaa.pdf
Amended:
Changes to Gridded Localized Aviation Model Output Statistics Program (LAMP): Effective
Monday, October 19, 2015
Oct 20:
TIN15-42gtg_aab.pdf
: Amended:
Upgrade Graphical Turbulence Guidance Product: Effective
October 27, 2015
Nov 17:
TIN15-43gefs_aad.pdf
Amended:
Global Ensemble Forecast System (GEFS) Changes: Effective
December 2, 2015
Sep 2:
TIN15-44pqpf.pdf
Change to the Product Definition Template Generating Process Identifier for the WPC Probabilistic Quantitative Precipitation Forecast and Percentile Precipitation Accumulation GRIB2 Files: Effective
October 15, 2015
Sep 9:
TIN15-45pwpf.pdf
Addition of Probabilistic Winter Precipitation Forecast (PWPF) Grids on the Satellite Broadcast Network: Effective
November 16, 2015
Oct 9:
TIN15-46chuas_upper_air.pdf
Fourth Quarter 2015 and First Quarter 2016 Dates for Transition from the Vaisala RS92-DD to the GRAW DFM-09 Radiosonde from
December 1, 2015 Through March 31, 2016
Oct 9:
TIN15-47vaisala_lightning.pdf
Change of Encryption Process for Vaisala Lightning Data: Effective
November 12, 2015
Oct 20:
TIN15-48nde_npp_sbn.pdf
S-NPP Near-Constant Contrast Imagery to be Added to NOAAPort: Effective
December 1, 2015
Feb 2, 2017:
TIN15-49wsr-88d_build_18_aaa.pdf
Amended:
WSR-88D Volume Coverage Pattern Changes Tentatively Scheduled to Deploy in
Mid-October 2017
Nov 27:
TIN15-50nbm.pdf
Implementation of Experimental National Blend of Models Guidance for the CONUS: Effective on or about
Tuesday, December 15, 2015
Nov 9:
TIN15-51ekdmos_aaa.pdf
Amended:
Changes to Ensemble Kernel Density MOS (EKDMOS): Effective
January 6, 2015
Nov 9:
TIN15-52gmos_mesonet_fix_aaa.pdf
Amended:
Changes to 2.5-km GFS-Based Gridded MOS Guidance for the CONUS: Effective
January 6, 2016
Nov 9:
TIN15-53rtma_urma.pdf
RTMA and URMA Upgrade: Effective on or about
December 15, 2015
Dec 3:
TIN15-54end_space_data_tgftp.pdf
Discontinuing NWS/NCEP Web Distribution of NASA Space Weather Data: Effective on
January 19, 2016
Dec 7:
TIN15-55sref_ceiling.pdf
Short Range Ensemble Forecast (SREF) Ceiling Height Change: Effective
January 12, 2016
Dec 8:
TIN15-56wsr-88d_build_16.1.pdf
WSR-88D Beta Test and Deployment of Build 16.1: Scheduled to Begin
January 2016
Dec 8:
TIN15-57super_bowl_tafs.pdf
Implementation of Temporary Terminal Aerodrome Forecasts (TAF) for the Napa County, CA Airport (KAPC) and Buchanan Field in Concord, CA (KCCR):
February 3-8, 2016
Dec 8:
TIN15-58aqm.pdf
Ozone Air Quality Prediction Update: Effective on or about
Tuesday, January 26, 2016
Dec 8:
TIN15-59multi_point.pdf
Upgrade to Global (multi_1) Wave Model Point Data: Effective
January 12, 2016
TINs 2014
Jan 2:
TIN14-01discontinue_href.pdf
Discontinuation of Experimental High-Resolution Ensemble Forecast Products: Effective
February 11, 2014
Mar 19:
TIN14-02sref_winter_aab.pdf
Amended:
Short Range Ensemble Forecast (SREF) System Upgrade: Effective
March 26, 2014
Jan 23:
TIN13-35nam_rap_bufr_aac.pdf
Amended:
Additions and Changes to the NAM and RAP BUFR Soundings: Effective
February 25, 2014
Jan 23:
TIN13-38rap_aab.pdf
Amended:
Updates to the Rapid Refresh (RAP) Analysis and Forecast System: Effective
February 25, 2014
Jan 23:
TIN14-03nucaps.pdf
Add S-NPP Soundings to NOAAPort: Effective
April 15, 2014
Mar 19:
TIN14-04naefs_cca.pdf
Corrected:
Addition of GEFS/NAEFS Bias-Corrected Products and Downscaled Products for Alaska and CONUS: Effective
March 27, 2014
Jan 30:
TIN14-05rrs_chatham_ma.pdf
NWS Upper Air Station in Chatham, MA to Begin Use of the GPS Lockheed Martin LMS-6 Radiosonde on or about
February 5, 2014
Jan 30:
TIN14-06discontinue_rtofs.pdf
Discontinuation of RTOFS-ET-WPA: Episodic Tracer for Western Pacific: Effective
March 4, 2014
Feb 3:
TIN14-07awc_website.pdf
www.aviationweather.gov Design Refresh: Implementation Effective
1800 UTC Tuesday, March 25, 2014
Feb 7:
TIN14-08wafs_blending.pdf
Earlier Issuance of WAFS GRIB2 Forecasts for CB, Icing and Turbulence: Effective
Wednesday, March 12, 2014
Feb 21:
TIN14-09aawu_airmet.pdf
Alaska Aviation Weather Unit to Issue AIRMETs Three Times per Day: Effective
September 18, 2014
Feb 24:
TIN14-10nexrad_beta.pdf
NWS to Start WSR-88D Build 14.0 Beta Test on
February 25, 2014
Jul 3:
TIN14-11surge_height_oper_cca.pdf
Corrected:
Experimental Hurricane Inundation Surge Height Products will Transition to Operational and be Available over the Satellite Broadcast Network and NOAAPort: Effective
July 8, 2014
Jul 3:
TIN14-12above_datum_oper_cca.pdf
Corrected:
Experimental Probabilistic Tropical Cyclone Storm Surge and Tide Above Datum Products will Transition to Operational: Effective
July 8, 2014
Feb 27:
TIN13-44mmefs_sref_aab.pdf
Amended:
Addition of SREF Products to NOAAPort to Support Ensemble River Forecasts at RFCs: Effective
March 26, 2014
Mar 13:
TIN14-13upper_station_cca.pdf
Corrected:
NWS Upper Air Station in Charleston, SC to Begin Use of the GPS Lockheed Martin LMS-6 Radiosonde on or about
March 20, 2014
Apr 1:
TIN14-14ndfd_fine_res.pdf
Combining Fine Resolution Files in the Experimental National Digital Forecast Database (NDFD): Effective
May 6, 2014
Apr 1:
TIN13-49gfs_mos_aab.pdf
Amended:
Adding Several New Elements to Experimental GFS-based Gridded MOS Guidance over the CONUS and Alaska: Effective
April 8, 2014
Apr 1:
TIN13-50lamp_cnv_ltg_aab.pdf
Amended:
Changes to the Localized Aviation Model Output Statistics Program (LAMP) Products and Addition of Convection Guidance and Upgrade to Lightning Guidance: Effective
April 8, 2014
Jul 29:
TIN14-15ndfd_res_aaa.pdf
Amended:
Increasing Resolution in the National Digital Forecast Database (NDFD): Effective
Tuesday, August 19, 2014
Jun 5:
TIN14-16hi_res_w_aac.pdf
Amended:
Upgrade to HI-RES Window: Effective
June 11, 2014
Jun 20:
TIN14-17multi_grid_hurricane_aaa.pdf
Amended:
Multi-Grid Hurricane Wave Model Added to SBN and NOAAPort: Effective
July 8, 2014
Apr 17:
TIN14-18taf_kearney_ne.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for EAR Kearney Regional Airport, Kearney, NE: Effective
July 1, 2014
Jun 20:
TIN14-19hwrf_aaa.pdf
Amended:
Hurricane Weather and Research Forecast (HWRF) Model Changes: Effective
June 10, 2014
May 20:
TIN14-20gfdl_aab.pdf
Amended:
GFDL Hurricane Prediction System Changes: Effective
June 18, 2014
Jul 18:
TIN14-21gfs_removal.pdf
Termination of Select Global Forecast System (GFS) Products: Effective
June 3, 2014
Jun 5:
TIN14-22gwes_aaa.pdf
Amended:
Change to Global Wave Ensemble System: Effective
July 1, 2014
Jun 11:
TIN14-23nexrad_builds.pdf
Deployment of WSR-88D Software Builds 14.0 and 14.1 to Begin on or about
May 20, 2014
Jun 19:
TIN14-24nldas_aab.pdf
Amended:
New North American Land Data Assimilation System (NLDAS): Effective
August 5, 2014
Jun 5:
TIN14-25rtofs_grib.pdf
Upgrade the Real-Time Ocean Forecast System (RTOFS): Effective
July 8, 2014
Jun 11:
TIN14-26co-ops_negofs_aaa.pdf
Amended:
Implementation of New NOS Oceanographic Forecast Modeling System for the Northeast Gulf of America and the Northwest Gulf of America: Effective
September 16, 2014
Jun 19:
TIN14-27estofs_pac.pdf
Implementation of New Extratropical Surge and Tide Operational Forecast System for the Pacific (ESTOFS Pacific) for the West Coast, Gulf of Alaska and Hawaii: Effective
June 24, 2014
Sep 8:
TIN14-28hrrr_aab.pdf
Amended:
High-Resolution Rapid Refresh Model Added to SBN and NOAAPort: Effective
September 30, 2014
Jul 3:
TIN14-29nam_aaa.pdf
Amended:
Changes to the North American Mesoscale (NAM) Analysis and Forecast System: Effective
August 12, 2014
Jul 14:
TIN14-30olathe_ks_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for: IXD, New Century AirCenter Airport, Olathe, KS: Effective:
September 30, 2014
Sep 12:
TIN14-31etss_aab.pdf
Amended:
Extra-Tropical Storm Surge (ETSS) Enhancements: Effective
October 14, 2014
Sep 8:
TIN14-32hrrr_aaa.pdf
Amended:
Implementation the High-Resolution Rapid Refresh (HRRR) Analysis and Forecast System: Effective
September 30, 2014
Aug 1:
TIN14-33taf_plainview_tx.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for PVW, Hale County Airport in Plainview, TX: Effective
November 25, 2014
Aug 1:
TIN14-34fip_hires.pdf
Changes to Current Icing Product (CIP) and Forecast Icing Product (FIP): Effective
September 2, 2014
Aug 1:
TIN14-35taf_rogers_ar.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for ROG, Rogers-Carter Field in Rogers, AR: Effective
November 25, 2014
Aug 5:
TIN14-36sea_ice.pdf
Upgrade to Automated Sea Ice Drift Model: Effective
September 9, 2014
Aug 21:
TIN14-37hysplit_smoke_dust.pdf
Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) Model Update: Effective on or about
Tuesday, September 30, 2014
Sep 18:
TIN14-38snow_ice_grids_ndfd_cca.pdf
Corrected:
Extension of Forecast for the Snow and Ice Accumulation Grids and Significant Wave Height Grids in the National Digital Forecast Database (NDFD): Effective
October 15, 2014
Oct 1:
TIN14-39wpc_pop.pdf
Downscaling WPC Day 3-7 Gridded Probability of Precipitation Forecasts: Effective
November 12, 2014
Jan 8, 2015:
TIN14-40multi-wave_cca.pdf
Corrected:
Changes to the Hurricane (Multi_2) and the Global (Multi_1) Wave Models: Effective
January 7, 2015
Dec 4:
TIN14-41cmaq_aaa.pdf
Amended:
Ozone Air Quality Prediction Update: Effective
January 27, 2015
Oct 14:
TIN14-42nexrad.pdf
WSR-88D Software Build 16 Changes to be Tested and Deployed in
Early 2015
Oct 23:
TIN14-43taf_livermore_ca_cca.pdf
Corrected:
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Livermore, CA Airport (KLVK): Effective
January 14, 2015
Nov 3:
TIN14-44talladega_kasn_taf.pdf
Implementation of Full-time Terminal Aerodrome Forecast (TAF) for Talladega Municipal Airport, AL (KASN): Effective
18Z
Tuesday, December 9, 2014
Nov 5:
TIN14-45icao_sigmet_test.pdf
U.S. SIGMET Testing During
November 2014
Dec 23:
TIN14-46gfs_cca.pdf
Corrected:
Global Forecast Systems (GFS) Update: Effective
January 14, 2015
Dec 5:
TIN14-47gfs_mos_cool_season_aab.pdf
Amended:
Changes to GFS-Based Model Output Statistics (MOS) Guidance: Effective
January 14, 2015
Nov 13:
TIN14-48wsr-88d_meso-sails.pdf
WSR-88D MESO-SAILS Field Test: Beginning
May 2015
Jul 2, 2015:
TIN14-49mrms_ccb.pdf
Corrected:
Multi-Radar, Multi-Sensor System Products Added to SBN and NOAAPort: Effective
July 8, 2015
Dec 5:
TIN14-50lms-6.pdf
Implementation of the GPS Lockheed Martin LMS-6 Radiosonde at Two NWS Upper Air Stations with the Radiosonde Replacement Systems (RRS) in
December 2014
Dec 8:
TIN14-51taf_sfj.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for SGJ, Northeast Florida Regional Airport, St. Augustine, FL: Effective
April 7, 2015
Jan 28, 2015:
TIN14-52wave_glw_cca.pdf
Corrected:
Changes to the Great Lakes Wave (GLW) System: Effective
January 28, 2015
Dec 11:
TIN14-53wafs_cor_method.pdf
New Correction Method for WAFS Significant Weather Charts: Effective
Wednesday, January 15, 2015
Dec 23:
TIN14-54gfs_noaaport.pdf
Addition of Global Forecast System (GFS) Model Grids on NOAAPort: Effective
March 10, 2015
Dec 23:
TIN14-55ncep_ftp.pdf
Disable Use of Active FTP Sessions on NCEP and NWSTG FTP Data Services: Effective
March 10, 2015
TINs 2013
Jan 10:
TIN13-01ccfp.pdf
Changes to Collaborative Convective Forecast Product (CCFP) Valid Times: Effective
March 1, 2013
Jan 3:
TIN13-02rrs_updates.pdf
Five National Weather Service (NWS) Upper Air Stations to Begin Use of the RS92-NGP Radiosonde with the Radiosonde Replacement Systems (RRS) on or about
March 1, 2013
Feb 19:
TIN13-03tdwr.pdf
More Frequent Products from Seven Additional FAA Terminal Doppler Weather Radars During Hazardous Weather: Effective
February 27, 2013
Feb 21:
TIN13-04build_14_radar.pdf
WSR-88D Software Build 14 Changes that May Impact WSR-88D Product and Data Users Starting
January 2014
Feb 21:
TIN13-05nogaps_navgem.pdf
Replacement of Navy’s NOGAPS with NAVGEM: Effective
February 27, 2013
Mar 4:
TIN13-06vaisala_rs92.pdf
Dates in
2013
for NWS Upper Air Stations to Begin Use of RS92-NGP Radiosonde with the Radiosonde Replacement System (RRS)
Mar 5:
TIN13-07deterministic.pdf
NWS Transitioning from Deterministic to Probabilistic Storm Surge Forecasts: Effective with the
2013 Hurricane Season
Mar 15:
TIN13-08gfs_mrf_removal.pdf
Termination of Select Global Forecast System (GFS) Low-Resolution Products: Effective
April 16, 2013
Mar 29:
TIN13-09vaisala_rs92_cca.pdf
Corrected:
Six NWS Upper Air Stations to Begin Use of Vaisala RS92-NGP Radiosonde with the Radiosonde Replacement System (RRS): Effective
May 1, 2013
Jul 12:
TIN13-10cdc_removal_cca.pdf
Corrected:
Termination of NCEP’s Legacy Climate Diagnostic Center Products: Effective
July 23, 2013
May 9:
TIN13-11radar_removal.pdf
Termination of NCEP’s Legacy Radar Graphics: Effective
June 11, 2013
May 24:
TIN13-12taf_kaeg.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Double Eagle II Airport (KAEG) in Albuquerque, NM: Effective
August 29, 2013
Jul 25:
TIN13-13hwrf_aac.pdf
Amended:
Hurricane Weather and Research Forecast (HWRF) Model Changes: Effective
July 25, 2013
Jun 21:
TIN13-14rrs_schedule_cca.pdf
Corrected:
The First of Three Alaska Upper Air Sites will Terminate its Automated Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF) Upon Installation of the Radiosonde Replacement System (RRS): Effective
August 20, 2013
Jul 25:
TIN13-15ncep_production_suite_aac.pdf
Amended:
NCEP Production Suite Operational on WCOSS: Effective
July 25, 2013
Jul 25:
TIN13-16hysplit_wcoss_aac.pdf
Amended:
Reschedule the Effective Date for the Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) Upgrade to
July 25, 2013
Jun 28:
TIN13-17goes-hd_winds.pdf
Activation of GOES HD Hourly Winds: Effective
July 30, 2013
Jul 19:
TIN13-18add_observations_gdas.pdf
Addition of Satellite Observations to Global Data Assimilation System: Effective
Tuesday, August 20, 2013
Jul 25:
TIN13-19rrs_schedule.pdf
2013 Dates
for Four NWS Upper Air Stations to Begin Use of the GPS Lockheed Martin LMS-6 Radiosonde with the Radiosonde Replacement System (RRS)
Oct 25:
TIN13-20add_sky_12z_mex_aaa.pdf
Amended:
Addition of Mean Total Sky Cover to 1200 UTC Extended-Range GFS MOS Text and BUFR Messages: Effective
November 5, 2013
Oct 21:
TIN13-21aawu_3_fa_aaa.pdf
Amended:
Alaska Aviation Weather Unit to Issue Area Forecast Three Times per Day: Effective
November 12, 2013
Oct 25:
TIN13-22gfs_mos_aaa.pdf
Amended:
New GFS MOS Total Sky Cover and Ceiling Guidance for Island Locations in the Tropical Western Pacific: Effective
November 5, 2013
Sep 23:
TIN13-23hi_res_preemption_aaa.pdf
Amended:
Temporary Change to Preemption of HI-RESW: Effective
September 19, 2013
Aug 15:
TIN13-24upper_air.pdf
Kodiak Upper Air (UA) Site Conversion from Automated Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF) to LMG6 Ground Tracking and LMS6 Radiosondes on or about
September 20, 2013
Oct 22:
TIN13-25glw_fy14_aab.pdf
Amended:
Change to Great Lakes Wave Model Physics: Effective
October 29, 2013
Aug 20:
TIN13-26lms.pdf
NWS to Transition 12 Upper Air Stations to GPS Lockheed Martin LMS-6 Radiosonde Starting
September 5, 2013
Nov 18:
TIN13-27grtofs_grib_aab.pdf
Amended:
Upgrade the Real-Time Ocean Forecast System: Effective
December 10, 2013
Sep 6:
TIN13-28gjt.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for One Airport in UT and Two Airports in CO: Effective
November 21, 2013
Sep 6:
TIN13-29taf_big_sandy_ky.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Big Sandy Regional Airport near Prestonsburg, KY: Effective
November 21, 2013
Oct 25:
TIN13-30gfs_mos_wind_aaa.pdf
Amended:
Update to GFS-based Model Output Statistics (MOS) Wind Guidance and Resulting Changes to LAMP Wind Guidance: Effective
November 5, 2013
Sep 23:
TIN13-31rrs_schedule.pdf
Eight Additional NWS Upper Air Stations to Use GPS Lockheed Martin LMS-6 Radiosonde with the Radiosonde Replacement Systems (RRS) starting about
October 3, 2014
Oct 17:
TIN13-32wafc_upper_air_aaa.pdf
Amended:
Introduction of World Area Forecast System (WAFS) Upper Air Forecasts for FL410 (175 mb): Effective
November 13, 2013
Oct 17:
TIN13-33wafs_flight_level.pdf
Add Fields to GFS WAFS Upper Air Files: Effective
November 13, 2013
Oct 25:
TIN13-34upper_air_gps.pdf
Fourteen Additional NWS Upper Air Stations to Use GPS Lockheed Martin LMS-6 Radiosonde with the Radiosonde Replacement Systems (RRS): Starting about
October 31, 2013
Jan 23, 2015:
TIN13-35nam_rap_bufr_aac.pdf
Amended:
Additions and Changes to the NAM and RAP BUFR Soundings: Effective
February 25, 2014
Nov 26:
TIN13-36wave_heights_ndfd_aaa.pdf
Amended:
Temporal Resolution of Forecasts of Significant Wave Heights in the Experimental National Digital Forecast Database (NDFD) will Increase: Effective
December 4, 2013
Oct 30:
TIN13-37radar_build_14.pdf
WSR-88D Software Build 14 Real-Time Level II Test Data will be Available Between
November 18, 2003
and
December 10, 2013
Jan 23, 2015:
TIN13-38rap_aab.pdf
Amended:
Updates to the Rapid Refresh (RAP) Analysis and Forecast System: Effective
February 25, 2014
Dec 16:
TIN13-39rtma_q4_aaa.pdf
Amended:
Upgrade to RTMA and Initial Implementation of URMA: Effective
January 28, 2014
Nov 14:
TIN13-40lms_upper_air.pdf
Two NWS Upper Air Stations to Begin Use of the GPS Lockheed Martin LMS-6 Radiosonde with the Radiosonde Replacement Systems (RRS) in
November 2013
Jan 29:
TIN13-41sfbofs_aaa.pdf
Amended:
Implementation of National Ocean Service’s New Oceanographic Forecast Modeling System for the San Francisco Bay Delayed until
March 11, 2014
Nov 19:
TIN13-42grib2_ndfd.pdf
Temporal Resolution of Forecasts for Hazards, Significant Wave Heights, Wind Direction, Speed and Gusts on the Oceanic Domain in the Experimental National Digital Forecast Database (NDFD) will Increase: Effective
December 18, 2013
Dec 12:
TIN13-43estofs_noaaport_aaa.pdf
Amended:
Change to the Delivery Time of Extratropical Surge and Tide Operational Forecast System for the Atlantic and Gulf Coasts (ESTOFS Atlantic): Effective
December 12, 2013
.  ESTOFS Atlantic Will be Provided Over the SBN and NOAAPort: Effective
February 18, 2014
Feb 27, 2014:
TIN13-44mmefs_sref_aab.pdf
Amended:
Addition of SREF Products to NOAAPort to Support Ensemble River Forecasts at RFCs: Effective
March 26, 2014
Dec 4:
TIN13-45upper_air_sched.pdf
Seven Additional NWS Upper Air Stations to Use GPS Lockheed Martin LMS-6 Radiosonde with the Radiosonde Replacement Systems (RRS) Starting about
December 11, 2013
Dec 5:
TIN13-46high_frequency_radar.pdf
High Frequency Radar (HFR) Total Vector Velocity (TVV) or Surface Current Data will be Provided over the Satellite Broadcast Network (SBN) and NOAAPort: Effective
February 25, 2014
Dec 5:
TIN13-47collaborative_conv_for_prod.pdf
2014 Collaborative Convective Forecast Product (CCFP) Production Schedule: Effective
March 3, 2014
Dec 9:
TIN13-48mtw_aaa.pdf
Amended:
Implementation of Terminal Aerodrome Forecast (TAF) Service for Manitowoc County Airport (MTW) in Manitowoc, WI: Effective
February 25, 2014
Apr 1, 2014:
TIN13-49gfs_mos_aab.pdf
Amended:
Adding Several New Elements to Experimental GFS-based Gridded MOS Guidance over the CONUS and Alaska: Effective
April 8, 2014
Apr 1, 2014:
TIN13-50lamp_cnv_ltg_aab.pdf
Amended:
Changes to the Localized Aviation Model Output Statistics Program (LAMP) Products and addition of Convection Guidance and Upgrade to Lightning Guidance: Effective
April 8, 2014
TINs 2012
Jan 5:
TIN12-01taf_sedona_az.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Sedona, AZ Airport (KSEZ): Effective
April 3, 2012
Jan 11:
TIN12-02nos_ngofs.pdf
Implementation of National Ocean Service’s New Oceanographic Forecast Modeling System for Northern Gulf of America: Effective
March 29, 2012
Jan 6:
TIN12-03ccfp.pdf
2012 Collaborative Convective Forecast Product (CCFP) Production Schedule: Effective
March 1, 2012
Jan 18:
TIN11-47gefs_reincrease_aab.pdf
Updated:
Global Ensemble Forecast System (GEFS) Changes: Effective
February 14, 2012
Jan 24:
TIN12-04kddl_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Scottsdale, AZ, Airport (KSDL): Effective
April 17, 2012
Feb 3:
TIN12-05exp_fire_rh_grids_cca.pdf
Corrected:
Two Experimental Fire Weather Elements to be Added to the National Digital Forecast Database for the United States (CONUS and OCONUS), including Alaska, Hawaii, Guam and Puerto Rico: Effective
February 15, 2012
Apr 16:
TIN12-06updates_aids_aac.pdf
Amended:
Additions, Deletions, Changes to NAM and RUC (RAP) BUFR Stations and Additional and Removed Stations in NCEP NAM Soundings Collectives on NOAAPort: Effective Date Set for
May 1, 2012
Feb 2:
TIN12-07chuas.pdf
2012 Dates for Transition from the Lockheed Martin Sippican 1680 MHz (B2) Radiosonde to the Vaisala Model RS92-D Radiosonde
Feb 3:
TIN12-08taf_henderson_nv.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Henderson, NV Airport (KHND): Effective
May 1, 2012
Nov 1:
TIN12-09gmos_conus_aaa.pdf
Amended:
Addition of Experimental 2.5-km GFS-based Gridded MOS Guidance for the CONUS to SBN and NOAAPort: Effective On or About
November 15, 2012
Feb 29:
TIN12-10ecfp_oper.pdf
Extended Convective Forecast Product Operational on
April 16, 2012
Mar 12:
TIN12-11gefs_mask.pdf
Change to Land/Water Bitmask in Select GEFS Products: Effective
April 17, 2012
Mar 12:
TIN12-12hrmos_pop.pdf
Replacement of Experimental 2.5-km Gridded MOS PoP/QPF with HRMOS PoP/QPF on
Tuesday, March 13, 2012
Mar 13:
TIN12-13faa_doppler.pdf
More Frequent Products from Select FAA Terminal Doppler Weather Radars During Hazardous Weather: Effective
April 12, 2012
Mar 22:
TIN12-14heber_city_ut_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Heber City, UT Airport (K36U): Effective
June 12, 2012
Apr 5:
TIN12-15kpsf_taf_aaa.pdf
Amended:
Implementation of Terminal Aerodrome Forecast (TAF) Service for Pittsfield Municipal Airport, MA (KPSF): Effective
May 7, 2012
Mar 26:
TIN12-16frenchville_me_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Frenchville Airport (KFVE) in Northern ME: Effective
April 11, 2012
Mar 28:
TIN12-17wave_physics.pdf
Change to Wave Model Physics: Effective Date:
May 8, 2012
May 11:
TIN12-18gfdl_aaa.pdf
Amended:
GFDL Hurricane Prediction System Changes: Effective
Tuesday, May 29, 2012
May 11:
TIN12-19hwrf_aaa.pdf
: Amended:
Hurricane Weather and Research Forecast (HWRF) Model Changes: Effective
May 24, 2012
Mar 4:
TIN12-20grib_priority.pdf
Reprioritization of GRIB2 and GRIB1 WAFS Upper Air Forecasts Transmission Times: Effective
July 5, 2012
Apr 10:
TIN12-21tracon.pdf
Terminal Radar Approach Control (TRACON) Approach and Departure Gate Forecast for Convection: Effective
May 22, 2012
Apr 16:
TIN11-53ruc_rap_aae.pdf
Updated:
Changing the Rapid Update Cycle (RUC) to the Rapid Refresh (RAP) Analysis and Forecast System: Effective Date Set for
May 1, 2012
Apr 16:
TIN11-54mesa_aad.pdf
Updated:
Change to First Guess Used by Real-time Mesoscale Analysis to Rapid Refresh (RAP): Effective Date Set for
May 1, 2012
Apr 16:
TIN11-58gtg_aad.pdf
: Updated:
Graphical Turbulence Guidance (GTG) Change: Effective
May 1, 2012
Apr 25:
TIN12-22gfs_hybrid_aab.pdf
Amended:
Global Forecast System (GFS) Upgrade: Effective
May 22, 2012
Apr 23:
TIN12-23creofs.pdf
Implementation of National Ocean Service’s New Oceanographic Forecast Modeling System for the Columbia River and Estuary: Effective
July 10, 2012
Apr 30:
TIN12-24nam_wind_gust.pdf
Changes to the Surface Wind Gust Speed Calculation in the NAM and DGEX: Effective
May 30, 2012
Jun 4:
TIN12-25gfs_mos_aaa.pdf
Amended:
Update to GFS-Based Model Output Statistics (MOS) Wind Guidance and Resulting Changes to LAMP Wind Guidance: Implementation Postponed to
June 12, 2012
Oct 1:
TIN12-26rrs_schedule_cca.pdf
Corrected:
2012 Dates for Termination of Automated Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF) with Installation of Radiosonde Replacement Systems (RRS)
May 17:
TIN12-27sea_ice.pdf
Upgrade to Automated Sea Ice Concentration Analysis: Effective
June 19, 2012
May 18:
TIN12-28ekdmos.pdf
Implementation of Ensemble Kernel Density Model Output Statistics: Effective
May 29, 2012
Jun 7:
TIN12-29uvi_ndgd_oper.pdf
Operational Ultraviolet Radiation Grids in the National Digital Guidance Database (NDGD): Effective
Tuesday, July 10, 2012
for CONUS Only
Jul 31:
TIN12-30sref_aaa.pdf
Amended:
Upgrade to Short Range Ensemble Forecast System: Effective
August 21, 2012
Jun 22:
TIN12-31cigvis_oper_cca.pdf
Ceiling and Visibility Analysis Product to Become Operational: Effective
July 24, 2012
Jun 28:
TIN12-32nam_snow.pdf
Changes to the Calculation of Snow Cover Fraction and GOES Simulated Brightness Temperature in the NAM Analysis and Forecast System: Effective
August 7, 2012
Jul 10:
TIN11-46lamp_output_stats_aab.pdf
Updated:
Changes to Localized Aviation Model Output Statistics Program (LAMP) Products: Effective
July 17, 2012
Jul 31:
TIN12-33sref_dowstream_impact_aaa.pdf
Amended:
Impact on Downstream Jobs When a Cycle of Short Range Ensemble Forecast System is Missing: Effective
August 21, 2012
Jul 30:
TIN12-34ofs.pdf
Changes in Lateral Open Boundary Conditions for the National Ocean Service’s Operational Forecast Systems for the Chesapeake Bay (CBOFS), the Delaware Bay (DBOFS), the Tampa Bay (TBOFS), and the Northern Gulf of America (NGOFS): Effective
September 25, 2012
Jul 30:
TIN12-35creofs.pdf
Changes in Lateral Open Boundary Conditions for the National Ocean Service’s New Operational Forecast System for the Columbia River and Estuary (CREOFS): Effective
September 25, 2012
Aug 28:
TIN12-36rtma_subcenter_change.pdf
Change to GRIB encoding of NCEP Stage II and RTMA Precipitation Products: Effective
September 18, 2012
Aug 23:
TIN12-37cfs_discontinued.pdf
Discontinuation of Climate Forecast System (CFS) Version 1: Effective
September 25, 2012
Aug 23:
TIN12-38cnv_grb_jul_aug_12.pdf
GRIB2 Encoding Change to NCEP Products: Effective
September 18, 2012
Aug 23:
TIN12-39taf_big_sandy_ky_aaa.pdf
Amended:
Implementation of Terminal Aerodrome Forecast (TAF) Service for Big Sandy Regional Airport (K22) Near Prestonsburg, KY
Postponed
Aug 29:
TIN12-40rucs_removal.pdf
Termination of NCEP’s Rapid Update Cycle Surface Analysis System: Effective
October 2, 2012
Aug 30:
TIN12-41ngac.pdf
New NGAC Aerosol Forecast System: Effective
September 11, 2012
Sep 4:
TIN12-42land_surface_model.pdf
Change in Land Surface Model in Global Forecast System and Associated Cool and Moist Bias in Near Surface Temperature and Moisture Fields: Effective
September 5, 2012
Sep 14:
TIN12-43estofs.pdf
Implementation of New Extratropical Surge and Tide Operational Forecast System (ESTOFS) for the Atlantic and Gulf Coasts: Effective
September 18, 2012
Sep 19:
TIN12-44nohrsc.pdf
NOHRSC Model Expansion and Forecast Operational Products: Effective
October 21, 2012
Sep 28:
TIN12-45viirs_aaa.pdf
Amended Date:
Addition of Alaska Region NPP VIIRS Imagery to NOAAPort Test Channel: Effective
October 10, 2012
TIN12-46
- Incorrectly Issued.  See
TIN13-01
Oct 10:
TIN12-47kcxp_nv_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Carson City, NV Airport (KCXP): Effective
January 3, 2013
Oct 17:
TIN12-48hpc_6_hr.pdf
Transmission of NCEP HPC 6-Hour Interval Quantitative Precipitation Forecasts for Days 4 and 5 on SBN and AWIPS on
November 20, 2012
Oct 17:
TIN12-49narre.pdf
Modifications to NARRE Products: Effective
Tuesday, November 20, 2012
Oct 18:
TIN11-38klgx_radar_test_aaa.pdf
Updated:
Extend Test Period: NWS Field Test Using New WSR-88D in Grays Harbor County, WA
Nov 28:
TIN12-50fire_wx_grids_cca.pdf
Corrected:
Two Operational Fire Weather Elements to be Added to the National Digital Forecast Database for the United States, including Hawaii, Guam and Puerto Rico: Effective
November 27, 2012
Oct 22:
TIN12-51rap_bgrb.pdf
Change to Parameters and Precision in RAP Native Files: Effective
November 27, 2012
Oct 24:
TIN12-52surface_temp_calibration.pdf
Surface Temperature (Infrared) Calibration Revision for the Hourly02 and Daily01 Products: Effective
January 7, 2013
Nov 1:
TIN12-53build_13_1_r1.pdf
WSR-88D Build 13.1 Beta Test and Deployment Started
October 29, 2012
Nov 2:
TIN12-54us_crn_rounding_change.pdf
Rounding Algorithm Revision for the Hourly02 and Daily01 Products: Effective
December 1, 2012
Nov 5:
TIN11-19ruc_aab.pdf
Updated:
Addition of RAP Products to NOAAPort: Effective
November 19, 2012
Nov 14:
TIN12-55gmos_headers.pdf
Addition of WMO Headers to 2.5-km GFS-Based Gridded MOS GRIB2 Products on NWS FTP Server: Effective on or about
December 13, 2012
Nov 15:
TIN11-35nam_dng_aac.pdf
Updated:
Changes and Additions to NAM-DNG Products, Including Distribution of New High-Resolution DNG: Effective Date of NOAAPort Activation:
December 4, 2012
Nov 15:
TIN11-18gridded_lamp_aad.pdf
Updated:
Addition of Gridded Localized Aviation Model Output Statistics Program (GLMP) Products to NOAAPort: Effective
Monday, December 17, 2012
Nov 16:
TIN12-56sref_4_ceiling_vis.pdf
Bug Fix to Ceiling and Visibility Fields in the Short Range Ensemble Forecast System: Effective
December 4, 2012
Nov 16:
TIN12-57gdas_removal.pdf
Termination of NCEP’s Legacy Global Data Assimilation System: Effective
January 8, 2013
Nov 21:
TIN12-58hpc.pdf
Upgrade of Gridded QPF Data from GRIB1 to GRIB2 from HPC Webpage: Effective
February 19, 2013
Dec 6:
TIN12-59taf_arkadelphia.pdf
Change of Identifier for NWS Products for Dexter B. Florence Memorial Field Airport (KADF) in Arkadelphia, AR: Effective
February 28, 2013
TINs 2011
Jan 4:
TIN11-01taf_lancaster_pa.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Lancaster Airport, PA: Effective
March 23, 2011
Jan 4:
TIN11-02taf_va_tech.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Virginia Tech/Montgomery Executive Airport, VA: Effective
March 23, 2011
Jan 5:
TIN10-63st_george_taf_cca.pdf
Corrected:
Change of Terminal Aerodrome Forecast (TAF) Service for the Replacement St. George, UT Airport (KDXZ): Effective
January 12, 2011
Jan 18:
TIN10-48bufr_aac.pdf
Updated:
Changes to NCEP BUFR Products: Effective Date:
January 25, 2011
Jan 20:
TIN11-03ndfd_spcfire.pdf
Two Experimental Fire Weather Outlook Elements to be Added to the National Digital Forecast Database for CONUS Only: Effective
February 23, 2011
Feb 7:
TIN11-04rrs_2nd_qtr.pdf
Second Quarter 2011
Dates for Termination of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF) with Installation of Radiosonde Replacement Systems (RRS)
Feb 8:
TIN11-05ncep_web.pdf
NCEP Model Analysis and Guidance Webpage to Become Operational: Effective
March 15, 2011
Mar 23:
TIN11-06maf_removal_aaa.pdf
Updated:
Removal of NCEP Model Analysis and Forecast Webpage: Effective
August 30, 2011
May 6:
TIN11-07gfs_update_aab.pdf
Updated:
Global Forecast System (GFS) Upgrade: Effective
May 9, 2011
Feb 18:
TIN10-50naefs_aac.pdf
Updated:
Changes to the North American Ensemble Forecasting System (NAEFS): Effective
March 1, 2011
Feb 25:
TIN10-61hi_res_aaa.pdf
Updated:
Upgrade to HI-RES Window: Effective
March 29, 2011
Mar 16:
TIN11-08rrs_3rd_qtr.pdf
Third Quarter 2011
Dates for Termination of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF) with Installation of Radiosonde Replacement Systems (RRS)
May 16:
TIN11-09hwrf_aaa.pdf
Updated:
Hurricane Weather and Research Forecast (HWRF) Model Changes: Effective
May 24, 2011
Dec 14:
TIN11-10wave_model_aac.pdf
Updated:
Change to Wave Model Products: Effective Date
Postponed
Mar 25:
TIN11-11gfdl.pdf
GFDL Hurricane Prediction System Changes: Effective
May 17, 2011
Apr 6:
TIN11-12arctic_offshore.pdf
Experimental U.S. Arctic Offshore Marine Zones to be Added to the National Digital Forecast Database (NDFD) and Changes to Existing NDFD Parameters in Other Alaska Offshore Zones: Effective
May 18, 2011
Apr 7:
TIN11-13ndgd_surge.pdf
Tropical Cyclone Storm Surge Probabilities (2 through 25 Feet) Become Operational in the National Digital Guidance Database (NDGD): Effective
June 1, 2011
Apr 18:
TIN10-55cfs_aad.pdf
Updated:
Climate Forecast System (CFS) Changes: Effective Date Scheduled for
March 30, 2011
Apr 18:
TIN11-14cfs_grids.pdf
Climate Forecast System (CFS) Change: Effective
July 5, 2011
Apr 21:
TIN11-15naefs.pdf
North American Ensemble Forecast System Modification: Effective
May 24, 2011
Oct 7:
TIN11-16nam_changes_aad.pdf
Updated:
Implementation Date Delayed: Changes to the North American Mesoscale (NAM) Analysis and Forecast System: Effective
October 18, 2011
Jun 24:
TIN11-17mag_aaa.pdf
Updated:
Enhancements to the MAG Website: Delayed until
July 14, 2011
Nov 15, 2012:
TIN11-18gridded_lamp_aad.pdf
Updated:
Addition of Gridded Localized Aviation Model Output Statistics Program (GLMP) Products to NOAAPort: Effective
Monday, December 17, 2012
Nov 5, 2012:
TIN11-19ruc_aab.pdf
Updated:
Addition of RAP Products to NOAAPort: Effective
November 19, 2012
Jun 1:
TIN11-20rtma.pdf
Addition of 2.5 km RTMA Products to NOAAPort
Nov 1:
TIN11-21hi_res_aab.pdf
Updated:
Addition of HIRES-W Products to NOAAPort: Scheduled for
November 8, 2011
Jun 3:
TIN11-22ccpa.pdf
Global Ensemble CCPA Changes: Effective
August 23, 2011
TIN11-23:
Incorrectly Issued.  See
TIN11-28
TIN11-24:
Incorrectly issued.  See
TIN11-26
Jun 16:
TIN11-25spc_fire_ndfd_opnl.pdf
Transition to Operational Status of Two Fire Weather Outlook Elements in NDFD for CONUS Only: Effective
July 14, 2011
Jun 9:
TIN11-26punta_gorda_lakeland_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Punta Gorda Regional Airport and Lakeland Linder Regional Airport, FL: Effective
October 20, 2011
Jun 23:
TIN11-27mammoth_yosemite_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Mammoth Yosemite, CA Airport (KMMH): Effective
September 8, 2011
Jun 24:
TIN11-28st_lucie_martin_cty_fl_tafs.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Space Coast Regional Airport, St. Lucie County International Airport (IAP) and for Martin County Airport/Witham Field, FL on
September 27, 2011
Jun 25:
TIN11-29ypsilanti_mi_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Ypsilanti/Willow Run Airport, MI: Effective
September 15, 2011
Jul 8:
TIN11-30nascar_taf.pdf
Implementation of Seasonal Terminal Aerodrome Forecast (TAF) Service for Talladega Municipal Airport (KASN), AL: Effective
October 9, 2011
Jul 13:
TIN11-31aviation_websites.pdf
Implementing Security Improvements to Aviation Weather Websites: Effective
August 16, 2011
Jul 19:
TIN11-32taf_manistee_mi.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Manistee County-Blacker Airport, MI: Effective
October 12, 2011
Jul 19:
TIN11-33taf_kiwd_mi.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Gogebic Iron County Airport, MI: Effective
October 12, 2011
Jul 21:
TIN11-34termination_hawaii_rsm.pdf
Termination of NCEP’s Regional Spectral Model for Hawaii: Effective
September 13, 2011
Nov 15, 2012:
TIN11-35nam_dng_aac.pdf
Updated:
Changes and Additions to NAM-DNG Products, Including Distribution of New High-Resolution DNG: Effective Date of NOAAPort Activation:
December 4, 2012
Jul 27:
TIN11-36ruc.pdf
Notice of Intent to Replace Rapid Update Cycle (RUC) Model: Effective
Fall 2011
Aug 1:
TIN11-37mag_removal.pdf
Reminder: Removal of NCEP Model Analysis and Forecast Webpage: Effective
August 30, 2011
Oct 18, 2012:
TIN11-38klgx_radar_test_aaa.pdf
Updated:
Extend Test Period: NWS Field Test Using New WSR-88D in Grays Harbor County, WA
Aug 8:
TIN11-39wafs.pdf
World Area Forecast Center (WAFC) Internet File System Operational: Effective
September 8, 2011
Aug 8:
TIN11-40web_iffdp.pdf
Web-enabled International Flight Folder Documentation Program Operational: Effective
September 12, 2011
Aug 9:
TIN11-41lightning_prod_removal.pdf
Removal of Experimental Long-Range Lightning Product: Effective
September 8, 2011
Sep 1:
TIN11-42rtma_oper.pdf
Real-time Mesoscale Analysis to Become Operational: Effective
October 4, 2011
Sep 6:
TIN11-43rsf_sst.pdf
Upgrade to High Resolution Real Time Global Sea Surface Temperature Analysis: Effective
October 11, 2011
Sep 8:
TIN11-44desert_rock_az_taf.pdf
Elimination of the Terminal Aerodrome Forecast (TAF) Service for the Desert Rock Airport, NV (KDRA): Effective
December 7, 2011
Nov 14:
TIN11-45taf_st_louis_airport_cca.pdf
Corrected:
Implementation of Terminal Aerodrome Forecast (TAF) Service for Saint Louis Downtown Airport, St. Clair County, IL: Effective
January 11, 2012
Jul 10, 2012:
TIN11-46lamp_output_stats_aab.pdf
Updated:
Changes to Localized Aviation Model Output Statistics Program (LAMP) Products: Effective
July 17, 2012
Jan 18, 2012:
TIN11-47gefs_reincrease_aab.pdf
Updated:
Global Ensemble Forecast System (GEFS) Changes: Effective
February 14, 2012
Nov 10:
TIN11-48taf_sgu.pdf
Change of Terminal Aerodrome Forecast (TAF) Service for the St. George, UT Airport (KSGU): Effective
December 15, 2011
Nov 22:
TIN11-49rofor.pdf
Addition of Outlook Sections to the San Francisco/Santa Barbara, CA to Honolulu, HI Route Forecasts (ROFOR): Effective
December 28, 2011
Nov 22:
TIN11-50jackson_ms_taf_cca.pdf
Corrected:
Implementation of Terminal Aerodrome Forecast (TAF) Service for Hawkins Field (KHKS) in Jackson, MS: Effective
February 28, 2012
Nov 22:
TIN11-51clarksville_tn_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Outlaw Field, Clarksville, TN (CKV): Effective
February 28, 2012
Nov 23:
TIN11-52arkadelphia_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Dexter B. Florence Memorial Field Airport (KM89) in Arkadelphia, AR: Effective
January 26, 2012
Apr 16, 2012:
TIN11-53ruc_rap_aae.pdf
Updated:
Changing the Rapid Update Cycle (RUC) to the Rapid Refresh (RAP) Analysis and Forecast System: Effective Date Set for
May 1, 2012
Apr 16, 2012:
TIN11-54mesa_aad.pdf
Updated:
Change to First Guess Used by Real-Time Mesoscale Analysis to Rapid Refresh (RAP): Effective Date Set for
May 1, 2012
Dec 20:
TIN11-55soil_data.pdf
Soil Moisture and Soil Temperature Data Entering Hourly02 and Daily01 Products: Effective
January 31, 2012
Dec 21:
TIN11-56sigmet_fir_test.pdf
SIGMET Format Test to be Conducted on
January 24, 2012
Dec 23:
TIN11-57dust_aq.pdf
Upgrade of the NCEP Air Quality Forecast System: Effective
January 31, 2012
Apr 16, 2012:
TIN11-58gtg_aad.pdf
: Updated:
Graphical Turbulence Guidance (GTG) Change: Effective
May 1, 2012
TINs 2010
Jan 6:
TIN10-01taf_ kaia.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Alliance, NE Airport (KAIA): Effective
March 30, 2010
Jan 6:
TIN10-02taf_katw.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Appleton, WI Airport (KATW): Effective
March 30, 2010
Jan 6:
TIN10-03gtg_enhancement.pdf
Enhancement of Graphical Turbulence Guidance (GTG): Effective
February 9, 2010
Jan 11:
TIN10-04gfs_mos_snow_qpf.pdf
Addition of New QPF and Snow Elements to the GFS-based Gridded MOS Guidance in Alaska and Addition of Extended-Range Snowfall in the CONUS: Effective
March 30, 2010
Jan 12:
TIN10-05wave_height.pdf
Increase in Temporal Resolution to Significant Wave Height Grid in the National Digital Forecast Database (NDFD): Effective
Wednesday, February 17, 2010
Jan 15:
TIN10-06rrs.pdf
Second Quarter 2010
Schedule Dates for Termination of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF) with Installation of Radiosonde Replacement Systems (RRS)
Jan 19:
TIN09-34gefs_aab.pdf
Amended:
Global Ensemble Forecast System/North American Ensemble Forecast System Changes: Effective
February 23, 2010
Jan 25:
TIN10-07ruc_changes_aaa.pdf
Updated:
Rapid Update Cycle Changes: Postponed to
March 2, 2010
Jan 29:
TIN10-08ccfp_1-10.pdf
2010 Collaborative Convective Forecast Product (CCFP) Changes and Production Schedule: Effective
March 1, 2010
Feb 5:
TIN09-39gfs_mos_aab.pdf
Amended:
Changes to GFS MOS Guidance Equations: Postponed to
February 9, 2010
Feb 10:
TIN10-09hysplit.pdf
Upgrade of the NCEP Air Quality Forecast (HYSPLIT) System: Effective
February 23, 2010
Mar 1:
TIN10-10taf_kfky.pdf:
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Arlington, TX Municipal Airport (KGKY): Effective
June 8, 2010
Mar 1:
TIN10-11taf_knew_kasd.pdf:
Implementation of Terminal Aerodrome Forecast (TAF) Service For New Orleans Lakefront Airport (KNEW) and for Slidell Municipal Airport, LA (KASD): Effective
June 1, 2010
Mar 1:
TIN10-12awc_sigwx_alignment.pdf
Change in Transmission Times of High Level and Medium Level Significant Weather Products by Washington and London World Area Forecast Centers (WAFCs): Effective
June 15, 2010
Apr 1:
TIN10-13wave_model_aaa.pdf
Updated:
Global Multi-grid Wave Model Changes: Postponed Until
May 11, 2010
Mar 11:
TIN10-14rrs_schedule.pdf
Third Quarter 2010
Schedule Dates for Termination of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF) with Installation of Radiosonde Replacement Systems (RRS)
Jul 19:
TIN10-15gfs_aab.pdf
: Updated:
Global Forecast System Changes: Rescheduled for
July 28, 2010
Apr 7:
TIN10-16tropical_ndfd_pr.pdf
Tropical Cyclone Surface Wind Speed Probability Elements for the North Pacific Ocean Become Operational in the National Digital Forecast Database: Effective
May 13, 2010
Apr 27:
TIN10-17hwrf.pdf
Hurricane Weather and Research Forecast Model Changes: Effective
June 1, 2010
Apr 28:
TIN10-18taf_kecp.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Northwest Florida Beaches International Airport (KECP) and the Ending of the TAF Service for the Panama City-Bay County, FL International Airport (KPFN): Effective
May 23, 2010
Apr 28:
TIN10-19ruc_dis_time.pdf
Change to RUC Model Dissemination Time: Effective
April 27, 2010
Jun 30:
TIN10-20gfs_mos_bufr_aaa.pdf
Updated:
Changes to Short-Range and Extended-Range Global Forecast System (GFS)-Based MOS BUFR Products: Postponed to
August 3, 2010
May 4:
TIN10-21rtp.pdf
Mandatory Product Format for Maximum/Minimum Temperature and Precipitation Table (RTP): Effective
September 1, 2010
May 12:
TIN10-22Adeepwater_tafs.pdf
Implementation of Emergency Terminal Aerodrome Forecast (TAF) Service for Stennis, MS International Airport (KHSA), MS and for Houma-Terrebonne, LA Airport (KHUM): Effective
Immediately
Sept. 2, 2011:
TIN10-22dual_pol_88d_aad.pdf
Updated:
WSR-88D Dual Polarization Modification Beginning
September 12, 2011
Nov 2:
TIN10-23dual_pol_88d_cca.pdf
Corrected:
Modified Dates for WSR-88D Dual Polarization Products and Level II Data Transmission
May 19:
TIN10-24rrs_schedule.pdf
Fourth Quarter 2010
Schedule Dates for Termination of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF) with Installation of Radiosonde Replacement Systems (RRS)
May 20:
TIN10-25ak_pahn.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Haines, AK Airport (PAHN): Effective
July 1, 2010
May 21:
TIN10-26kzak_fir.pdf
U.S. Oceanic FIR Name Change Testing Early June 2010; NWS Will Test a Change to the Name of the Oakland Oceanic Flight Information Region (FIR) for KZOA:
June 3, 2010
Oct 4:
TIN10-27gmos_aab.pdf
Amended:
Addition of GFS-Based Gridded MOS Guidance for Hawaii Postponed to
November 9, 2010
Aug 11:
TIN10-28rtma_aaa.pdf
Amended:
Domain Changes for Hawaii NDFD DNG, NAM and RTMA Postponed until
September 28, 2010
Jun 9:
TIN10-29kzak_fir.pdf
U.S. Oceanic SIGMET Name Change on
July 28, 2010
Jun 10:
TIN10-30sti_sdu3.pdf
Change STI Radar Product from SDUS6 to SDUS3 on SBN, NOAAPort and RPCCDS: Effective
August 24, 2010
Jun 10:
TIN10-31dpa_sdu5.pdf
Change SDUS8 Radar Products to SDUS5 on SBN, NOAAPort and RPCCDS: Effective
August 24, 2010
Jun 17:
TIN10-32taf_kbed.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Laurence G. Hanscom Field Airport, MA: Effective
November 2, 2010
Jul 8:
TIN10-33high_res_frontal.pdf
Addition of Higher Resolution (0.1 Degree) Coded Surface Frontal Positions Product to NOAAPort: Effective
September 21, 2010
Jul 14:
TIN10-34nwstg_outage.pdf
NWS Telecommunications Gateway (NWSTG) Outage Scheduled for
July 20, 2010
Jul 15:
TIN10-35rtma_2-5_conus.pdf
Horizontal Resolution Changes for CONUS RTMA on NDGD: Effective
September 14, 2010
Jul 19:
TIN10-36vor_findlay.pdf
Change of Name and Identifier for the Findlay, OH VHF Omnidirectional Radio Range (VOR) Aviation Radio Navigation Site: Effective
November 18, 2010
Jul 19:
TIN10-37taf_bartlesville_ok.pdf
New Terminal Aerodrome Forecast (TAF) Service for Bartlesville Municipal Airport (KBVO) in Bartlesville, OK: Effective
October 19, 2010
Jul 19:
TIN10-38vor_decatur.pdf
Change of Name and Identifier for the Decatur, IL VHF Omnidirectional Radio Range (VOR) Aviation Radio Navigation Site: Effective
September 23, 2010
Jul 26:
TIN10-39_88d_super_res.pdf
New Definition of WSR-88D Level II Super Resolution Data: Effective with WSR-88D Build 12.1:
November 2, 2010
Aug 5:
TIN10-40asos_awpag_cca.pdf
Corrected:
Automated Surface Observing System (ASOS) Deployment of the Altershield for the All Weather Precipitation Accumulation Gauge (AWPAG)
Aug 5:
TIN10-41spc_fire_outlk.pdf
Change to Coding of Storm Prediction Center (SPC) GRIB2 Fire Weather Outlook Products: Effective on
December 7, 2010
Sep 14:
TIN10-42ozone_aaa.pdf
Updated:
Upgrade of the NCEP Air Quality Forecast System Postponed until
September 21, 2010
Aug 30:
TIN10-43rtma_guam.pdf
Addition of GFS-based DNG and RTMA Products for Guam: Effective
November 16, 2010
Oct 25:
TIN10-44wave_model_aab.pdf
Updated:
Multi-grid Hurricane Wave Model Upgrade: Rescheduled for
November 2, 2010
Nov 16:
TIN10-45gefs_naefs_alaska_aaa.pdf
Updated:
Addition of GEFS/NAEFS Products for Alaska: Rescheduled for
December 7, 2010
Sep 10:
TIN10-46grib_cip.pdf
Changes to the Implementation of the Current Icing Product (CIP) in GRIB format: Effective
December 1, 2010
Sep 23:
TIN10-47sig_grid_wave.pdf
Transition from Experimental To Operational Status the Gridded Significant Wave Heights from the National Centers: Effective
October 24, 2010
Jan 18, 2011:
TIN10-48bufr_aac.pdf
Updated:
Changes to NCEP BUFR Products: Effective Date:
January 25, 2011
Dec 10:
TIN10-49ozone_aaa.pdf
Updated:
Upgrade of the NCEP Air Quality Forecast System: Effective
December 14, 2010
Feb 18, 2011:
TIN10-50naefs_aac.pdf
Updated:
Changes to the North American Ensemble Forecasting System (NAEFS): Effective
March 1, 2011
Dec 6:
TIN10-51fip_severity_cca.pdf
Corrected:
Forecast Icing Severity Product to be Converted from Experimental to Operational: Effective
January 18, 2011
Oct 20:
TIN10-52psn_loc_cca.pdf
Corrected:
Format Change for the Volcanic Ash SIGMET: Effective
November 18, 2010
Oct 20:
TIN10-53grib2_iscs_cca.pdf
Corrected:
Addition of GRIB2 data to ISCS: Effective
November 11, 2010
Oct 22:
TIN10-54sig_wx_charts.pdf
Change in Legend Box Text of SIGWX Charts: Effective
November 17, 2010
Apr 18, 2011:
TIN10-55cfs_aad.pdf
Updated:
Climate Forecast System (CFS) Changes: Effective Date Scheduled for
March 30, 2011
Nov 12:
TIN10-56hourly01_discontinuation.pdf
Discontinuation of the Hourly01 Product: Effective
December 15, 2010
Nov 19:
TIN10-57coop_format_rev.pdf
Removal of Cooperative Observer Program Identifiers from the Hourly02 and Daily01 Products: Effective
March 22, 2011
Dec 8:
TIN10-58rugs.pdf
Extend Comment Period for Experimental Service Allowing NDFD Users to Identify Updated Grids: Effective
December 13, 2010
Dec 8:
TIN10-59ending_wfs.pdf
Discontinue the Experimental NDFD WFS: Effective
March 1, 2011
Dec 9:
TIN10-60taf_bend_or.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Bend, OR Airport (KBDN): Effective
April 5, 2011
Feb 25, 2011:
TIN10-61hi_res_aaa.pdf
Updated:
Upgrade to HI-RES Window: Effective
March 29, 2011
Dec 15:
TIN10-62wafs.pdf
Change to GRIB Encoding of WAFS Products: Effective
Tuesday, March 1, 2011
Jan 5, 2011:
TIN10-63st_george_taf_cca.pdf
Corrected:
Change of Terminal Aerodrome Forecast (TAF) Service for the Replacement St. George, UT Airport (KDXZ): Effective
January 12, 2011
Dec 21:
TIN10-64storm_surge_gulf.pdf
Upgrade Gulf of America Basin for the Extratropical Storm Surge Model: Effective
February 1, 2011
TINs 2009
Jan 7:
TIN09-01awips_crn_id.pdf
Addition of AWIPS Identifier to CRN Products and Addition of New Hourly CRN Product: Effective
February 9, 2009
Jan 8:
TIN08-99gfs_upgrade_aaa.pdf
Updated:
Global Forecast System Changes: Effective
February 24, 2009
Jan 9:
TIN09-02taf_kues.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Waukesha County Airport, WI: Effective
March 31, 2009
Jan 15:
TIN09-03nomads_official.pdf
Operational Implementation on
February 14, 2009
of High Availability Applications for Serving Data from the NOAA Operational Model Archive Distribution System (NOMADS) at the Web Operations Center (WOC)
Jan 30:
TIN09-04ngm_termination_reminder.pdf
Reminder: Termination of the NGM and NGM-Based Products: Effective
March 3, 2009
Feb 3:
TIN09-05sigmet.pdf
ICAO Compliant Test of SIGMET Production During
February 2009
Feb 9:
TIN09-06ccfp_schedule.pdf
2009 CCFP Production Schedule: Effective
February 26, 2009
Feb 12:
TIN09-07asos_xfr_raleigh.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Raleigh/Durham, NC: Effective
February 11, 2009
Feb 18:
TIN09-08taf_alaska.pdf
Terminal Aerodrome Forecast (TAF) Service Changes for Alaska: New TAF for Sand Point Airport (PASD) in Sand Point, AK and Transfer of McGrath, AK (PAMC) TAF Service from Anchorage, AK Weather Forecast Office (WFO) to Fairbanks, AK WFO: Effective
May 7, 2009
at 0000 UTC
Feb 20:
TIN09-09pr_tropical_wind.pdf
Probabilistic Tropical Cyclone Surface Wind Speed Elements for the North Pacific Ocean Remain Experimental for
2009
in the National Digital Forecast Database (NDFD)
Feb 24:
TIN09-10air_stagnation_cca.pdf
Corrected:
Operational Implementation of Air Stagnation Outlook with Valid Time Event Code (VTEC) in Non-Precipitation Weather (NPW) Product: Effective
June 24, 2009
Feb 25:
TIN09-11asos_xfr_las_vegas.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Las Vegas, NV: Effective February 24, 2009
Mar 10:
TIN09-12new_crn_cca.pdf
Corrected:
Introduction of New Daily CRN Product: Effective
Friday, April 10, 2009
Mar 18:
TIN08-97rrs_schedule_aaa.pdf
Updated:
2009
Schedule Dates for Termination of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF) with Installation of Radiosonde Replacement Systems (RRS)
Mar 27:
TIN09-13ruc_enhancements.pdf
Rapid Update Cycle Changes: Effective
Tuesday, March 31, 2009
Mar 30:
TIN09-14convective_hazards.pdf
Nine Convective Outlook Hazard Probability Elements Transition to Operational in the National Digital Forecast Database (NDFD): Effective
April 30, 2009
Apr 24:
TIN09-15taf_branson.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Branson, MO Airport (KBBG): Effective
July 13, 2009
May 6:
TIN09-16fp_gauge.pdf
Fischer-Porter Rain Gauge Rebuild Kit (FPR) Implementation to Begin after
June 7, 2009
May 8:
TIN09-17asos_ceilometer_repl.pdf
Automated Surface Observing System (ASOS) Ceilometer Replacement Beginning
May 13, 2009
at 2000 GMT
May 21:
TIN09-18ak_gridded_cloud.pdf
Addition of Hydrometeorological Prediction Center Gridded Cloud Cover Product for Alaska: Effective
June 30, 2009
Jun 1:
TIN09-19guam_taf.pdf
Implementation of 30-hour Terminal Aerodrome Forecast (TAF) for Guam International Airport (PGUM): Effective
August 19, 2009
Jun 4:
TIN09-20ak_grid_fcst.pdf
Nine Additional Alaska Gridded Forecast Elements to be Added to the National Digital Forecast Database (NDFD) in Experimental Status: Effective
July 8, 2009
Jun 5:
TIN09-21slosh_online.pdf
Tropical Cyclone Storm Surge Display Program Now Online
Jun 10:
TIN09-22rrs_schedule.pdf
Fourth Quarter FY09 Schedule Dates for Termination of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF) with Installation of Radiosonde Replacement Systems (RRS)
Jun 26:
TIN09-23ar_max_min_t.pdf
Changes to Alaska Region Only Definitions for Max T and Min T in XF03DY, XF07DY and Selected Cities Summary Products: Effective
July 28, 2009
Aug 12:
TIN09-24hazards_grids_oper.pdf
Hazards Grid in the National Digital Forecast Database (NDFD) Transitions to Operational Status: Effective
September 15, 2009
Aug 24:
TIN09-25gfs_change.pdf
Global Forecast System BUFR Product Change: Effective
August 25, 2009
Aug 28:
TIN09-26nam_stations.pdf
Additional Stations in NCEP NAM Soundings Collectives on NOAAPort: Effective
November 10, 2009
Sep 1:
TIN09-27ewx_30_hr.pdf
Implementation of 30-Hour Terminal Aerodrome Forecast (TAF) for San Antonio International Airport, TX (KSAT) and Austin Bergstrom International Airport, TX (KAUS): Effective
October 1, 2009
Sep 2:
TIN09-28smoke_ak.pdf
Upgrade of the NCEP Air Quality Forecast (HYSPLIT) System: Effective
September 29, 2009
Oct 9:
TIN09-29sref_upgrade_aaa.pdf
Updated:
Upgrade to Short Range Ensemble Forecast System: Effective
October 27, 2009
Oct 22:
TIN09-30rtofs_aaa.pdf
Updated:
Upgrade to Real Time Ocean Forecast System (RTOFS): Effective
November 4, 2009
Sep 23:
TIN09-31meso_removal.pdf
Deletion of WSR-88D Legacy Mesocyclone Product: Effective on or about
April 1, 2010
Dec 1:
TIN09-32gfs_changes_aab.pdf
Updated:
Global Forecast System Changes: Effective
December 15, 2009
Sep 24:
TIN09-33nam_dgex.pdf
NAM/DGEX Modifications: Effective
November 3, 2009
Jan 19, 2010:
TIN09-34gefs_aab.pdf
Amended:
Global Ensemble Forecast System/North American Ensemble Forecast System Changes: Effective
February 23, 2010
Sep 30:
TIN09-35cfc_change.pdf
Change WSR-88D Clutter Filter Control Product AWIPS Category Name: Effective
October 27, 2009
Oct 15:
TIN09-36sigmet_tests.pdf
U.S. SIGMET Testing During
November 2009
Oct 22:
TIN09-37crndo1_emr_change.pdf
Emergency Revision of Product SXXX91 CRND01: Effective
October 21, 2009
Oct 28:
TIN09-38conv_4-8_oper.pdf
Day 4 to 8 Convective Outlook Element in the National Digital Forecast Database (NDFD) Transitions from Experimental to Operational: Effective
December 1, 2009
Feb 5, 2010:
TIN09-39gfs_mos_aab.pdf
Amended:
Changes to GFS MOS Guidance Equations: Postponed to
February 9, 2010
Nov 24:
TIN09-40sig_wx.pdf
Use of Administrative Message by World Area Forecast Center (WAFC) Washington to Notify Users of Problems or Errors with SIGWX Forecasts: Effective
December 31, 2009
Nov 8, 2016:
TIN09-41_88d_aae.pdf
Amended:
Turn Off Date for WSR-88D Low-Resolution Products Changed to
October 2, 2017
Nov 25:
TIN09-42nomads_reminder.pdf
Reminder: Operational Implementation on
February 14, 2009
of High Availability Applications for Serving Data from the NOAA Operational Model Archive Distribution System (NOMADS) at the Web Operations Center (WOC)
Dec 24:
TIN09-43bufr_nam_ruc.pdf
Additions/Deletions/Changes to NAM and RUC BUFR Stations and Associated Changes to NAM BUFR Sounding Collectives: Effective
March 9, 2010
TINs 2008
Jan 4:
TIN08-01headlines.pdf
Editing Headlines to Enhance Clarity and Accuracy of Long Duration Weather Products: Effective Beginning
January 2008
Jan 8:
TIN08-02afwa_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
February 13, 2008
until
0500 UTC
on
February 14, 2008
Jan 8:
TIN08-03ccfp_startup.pdf
2008
CCFP Production Schedule
Feb 21:
TIN08-04wave_grib_aaa.pdf
Updated:
NOAA WAVEWATCH III Model Global GRIB Output Modification: Effective
February 26, 2008
Jan 11:
TIN08-05taf_mobile.pdf
New Terminal Aerodrome Forecast (TAF) Service for Mobile Downtown Airport (KBFM) in Mobile, AL: Effective
Tuesday, March 25, 2008
Jan 16:
TIN08-06aq_data.pdf
Streamlined Data Pathway for Air Quality Forecast Guidance Products: Effective
April 1, 2008
Jan 23:
TIN08-07rrs_schedule.pdf
Second Quarter FY08
Schedule: Radiosonde Replacement System (RRS) Implementation with Termination of Operations of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes
Jan 24:
TIN08-08asos_xfer_syracuse.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Syracuse, NY: Effective
January 23, 2008
Feb 8:
TIN08-09temp_extremes.pdf
NOAA Updates its Long-Term Station Extremes of Daily Temperature and Precipitation for Data Through 2007: Effective
December 31, 2008
Feb 13:
TIN07-96nam_changes_aab.pdf
Updated:
North American Mesoscale Model Changes: Effective
March 25, 2008
Feb 13:
TIN08-10gfs_alaska.pdf
Addition of GFS-based MOS Thunderstorm Guidance for Alaska: Effective
May 1, 2008
Feb 15:
TIN08-11great_lakes_wave_model.pdf
Great Lakes Wave Model Implementation: Effective
March 25, 2008
Feb 21:
TIN08-12asos_xfr_tampa_el_paso.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Tampa, FL and El Paso, TX: Effective
February 21, 2008
Feb 28:
TIN08-13asos_xfr_roswell.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Roswell, NM: Effective
February 27, 2008
Mar 31:
TIN08-14gfs_lamp_aaa.pdf
Updated:
Addition of New Cycles for GFS-Based LAMP Guidance
Postponed to April 8, 2008
Mar 3:
TIN07-83aim_update_aaa.pdf
Updated:
Updating Aviation Weather Advisory Plotting Chart Reference Points: Effective
April 15, 2008
Mar 3:
TIN08-15tafs_tvf_dvl.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Thief River Falls Regional Airport, MN and Devils Lake Municipal Airport, ND: Effective
May 20, 2008
Mar 6:
TIN08-16taf_30_hr_atl_dal_hou.pdf
TAF Locations Adopting a 30-Hour Valid Period: Effective
November 5, 2008
Mar 7:
TIN08-17_30_hr_pacific.pdf
Pacific Region to Adopt 30-Hour TAF Valid Period: Effective
November 5, 2008
Mar 7:
TIN08-18_30_hr_western_reg.pdf
Western Region Locations Adopting a 30-Hour Valid Period: Effective
November 5, 2008
Mar 7:
TIN08-19_30_hr_test.pdf
Test TAFs to Ensure Proper Decoding of 30-Hour TAF Format Test Date Scheduled:
March 26, 2008
Mar 10:
TIN08-20rrs_schedule.pdf
Third Quarter FY08
Schedule: Radiosonde Replacement System (RRS) Implementation with Termination of Operations of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes
Mar 11:
TIN07-90rtma_alaska_cca.pdf
Corrected:
Addition of NCEP RTMA Grids for the Alaska Region: Effective
March 13, 2008
Mar 12:
TIN08-21asos_xfr_nashville.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Nashville, TN: Effective March 11, 2008
Mar 14:
TIN08-22taf_clinton_norman.pdf
New Terminal Aerodrome Forecast (TAF) Service for Clinton-Sherman Regional Airport (KCSM) and Norman Regional Airport (KOUN) in OK: Effective:
May 27, 2008
Mar 20:
TIN08-23nww3.pdf
Addition of NOAA WAVEWATCH III Model Grids to SBN/NOAAPort: Effective
April 29, 2008
Mar 25:
TIN08-24_30_hr_taf_ar.pdf
Alaska Region Locations Adopting a 30-Hour Valid Period: Effective
November 5, 2008
Mar 25:
TIN08-25_30_hr_taf_cr.pdf
Eight Central Region TAFs Expanding to a 30-Hour Valid Period:  Effective
November 5, 2008
Mar 25:
TIN08-26_30_hour_taf_test_delayed.pdf
Test TAFs to Ensure Proper Decoding of 30-Hour TAF Format Test Date Postponed Until
April 30, 2008
Mar 28:
TIN08-27wafc_backup.pdf
Backup Test of the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products:
April 23, 2008
Apr 1:
TIN08-28asos_xfr_charleston.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Charleston, WV: Effective
March 31, 2008
Aug 20:
TIN08-29hi_res_quikscat_aaa.pdf
Amended:
NESDIS High Density QUIKSCAT Ocean Surface Winds Added to SBN/NOAAPort: Effective
June 26, 2008
Apr 2:
TIN08-30taf_30_hr_er.pdf
: Eleven Eastern Region TAF Locations Adopting a 30-Hour Valid Period: Effective
November 5, 2008
May 14:
TIN08-31gfs_upgrade_aab.pdf
Updated:
Planned Implementation of Global Forecast System (GFS) Model Changes is Withdrawn: Effective
May 14, 2008
May 20:
TIN08-32anchor_pts_aab.pdf
Updated:
To Rescind the Change in CONUS Site Location Identifiers in Severe Thunderstorm and Tornado Watch Bulletins that would have Occurred
June 5, 2008
Apr 9:
TIN08-33asos_xfr_tulsa.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Tulsa, OK: Effective
April 9, 2008
Apr 14:
TIN08-34tpc_pacific_ndfd_exper.pdf
Probabilistic Tropical Cyclone Surface Wind Speed Elements for the North Pacific Ocean to be Added to the National Digital Forecast Database (NDFD) on
May 15, 2008
at 1200 UTC
Apr 22:
TIN08-35afwa_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
May 20, 2008
until
0400 UTC
on
May 21, 2008
Apr 22:
TIN08-36asos_xfr_rome.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Rome, GA: Effective
April 22, 2008
Apr 28:
TIN08-37_30_hr_taf_remind.pdf
Test TAFs to Ensure Proper Decoding of 30-Hour TAF Format Test Date Scheduled:
April 30, 2008
Apr 29:
TIN08-38taf_castle_mercer.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Castle/Mercer Airport, CA (KMER): Effective
July 25, 2008
May 5:
TIN08-39gridded_et_surge.pdf
Addition of Gridded Extratropical Storm Surge Guidance: Effective
August 26, 2008
Aug 6:
TIN08-40g-airmet_aaa.pdf
Updated:
Aviation Weather Center (AWC) Graphical AIRMET (G-AIRMET) becomes an Operational Product: Effective
October 1, 2008
May 9:
TIN08-41rrs_schedule.pdf
FY08 Schedule
: Radiosonde Replacement System (RRS) Implementation with Termination of Operations of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes
May 20:
TIN08-42ensemble_wave.pdf
Ensemble Wave Model Changes: Effective
June 24, 2008
May 20:
TIN08-43hires_window.pdf
Changes to Output from HI-RES Window Model: Effective
August 5, 2008
May 21:
TIN08-44lamp_gfs.pdf
Addition of New Cycles for GFS-Based LAMP Guidance: Effective
June 24, 2008
May 22:
TIN08-45wafs_text_product.pdf
Text Product for the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products: Effective
August 5, 2008
May 22:
TIN08-46atcf_b_deck_change.pdf
Change in Format of the Automated Tropical Cyclone Forecast (ATCF) Database at the National Hurricane Center (NHC): Effective
When the First Tropical Cyclone Forms in 2008
May 22:
TIN08-47_30_hr_taf_test_may.pdf
Test TAFs to Ensure Proper Decoding of 30-Hour TAF Format Test Date Scheduled:
May 28, 2008
May 30:
TIN07-82mos_alaska_aab.pdf
Updated:
Addition of GFS-Based Gridded MOS Guidance for Alaska: Effective
June 10, 2008
Jun 2:
TIN08-48sterling_radar_move.pdf
Relocation of Sterling, VA WSR-88D on
June 17, 2008
Jun 6:
TIN08-49ndfd_hazard_cca.pdf
Corrected:
Hazard Element to Become Experimental in the National Digital Forecast Database (NDFD) on
July 8, 2008
at
1400 UTC/July 9, 2008
at
Midnight Local Time
in Guam
Jun 6:
TIN08-50qpf_sky_snow.pdf
Quantitative Precipitation, Sky Cover and Snow Amount Elements to Become Operational in the National Digital Forecast Database at
1400 UTC
on
July 8, 2008
Midnight Local Time
on
July 9, 2008
in Guam
Jun 17:
TIN08-51awc_t4.pdf
Discontinuation of High Level and Medium Level T4 Formatted Charts: Effective
September 3, 2008
Jun 18:
TIN08-52sterling_radar_move_done.pdf
Relocation of Sterling, VA WSR-88D on
June 17, 2008
Jun 20:
TIN08-53ww3_spectral.pdf
Addition of Multi-Grid NOAA WAVEWATCH III Text Spectral Bulletins to NOAAPort: Effective
September 9, 2008
Jun 23:
TIN08-54_30_hr_taf_test_june_cca.pdf
Corrected:
Test TAFs to Ensure Proper Decoding of 30-Hour TAF Format Test Date Scheduled:
June 25, 2008
Jun 24:
TIN08-55wpac_temp_dewpt_mod.pdf
New GFS MOS Temperature and Dewpoint Guidance for Island Locations in the Western Pacific Ocean: Effective
September 9, 2008
Jul 15:
TIN08-56rtma.pdf
Addition of Experimental NCEP RTMA Grids for Hawaii and Puerto Rico Areas: Effective
September 23, 2008
Aug 20:
TIN08-57cpc_outlk_aaa.pdf
Amended:
Postponement of Twelve Climate Outlook Probability Elements Becoming Operational in the National Digital Forecast Database (NDFD) until
September 18, 2008
at 1200 UTC
Jul 23:
TIN08-58asos_xfer_mobile.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Mobile, AL: Effective
July 22, 2008
Jul 24:
TIN08-59taf_test_july.pdf
Test TAFs to Ensure Proper Decoding of 30-Hour TAF Format Test Date Scheduled:
July 30, 2008
Jul 31:
TIN08-60awc_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
August 27, 2008
until
0500 UTC
on
August 28, 2008
Aug 1:
TIN08-61metsat.pdf
NESDIS High Density Geostationary Winds to be Added to SBN/NOAAPort: Effective
October 15, 2008
Aug 6:
TIN08-62great_lakes_wave_model.pdf
Addition of Great Lakes Wave Model Grids to NOAAPort: Effective
Tuesday, October 21, 2008
Aug 6:
TIN08-63sterling_rrs_move.pdf
Sterling, VA (KLWX) Upper Air Facility to Relocate with Radiosonde Replacement System (RRS): Effective
September 19, 2008
Aug 15:
TIN08-64asos_xfr_huntsville.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Huntsville, AL: Effective
August 14, 2008
Aug 19:
TIN08-65taf_krbg.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Roseburg, OR Airport (KRBG): Effective
November 6, 2008
Aug 22:
TIN08-66pabi_taf_transfer.pdf
Transfer Terminal Aerodrome Forecast (TAF) Service for Allen Army Airfield (PABI), AK from NWS Weather Forecast Office (WFO) Fairbanks, AK to US Air Force (USAF) Air Force Weather 17th Operational Weather Squadron: Effective
October 1, 2008
Aug 22:
TIN08-67weekly_30_hr_test_taf.pdf
Weekly Test TAFs to Ensure Proper Decoding of 30-Hour TAF Format Test
Aug 22:
TIN08-68ascat.pdf
NESDIS ASCAT Ocean Surface Winds to be Added to SBN/NOAAPort: Effective
November 4, 2008
Nov 14:
TIN08-69ak_gmos_aaa.pdf
Updated:
Addition of New Elements to the GFS-Based Gridded MOS Guidance for Alaska: Effective
December 16, 2008
Sep 3:
TIN08-70chi_dfw_agl.pdf
Elimination of Routine Use of Above Ground Level (AGL) in Aviation Weather Center Issued Chicago and Dallas-Fort Worth Area Forecasts: Effective
November 5, 2008
Sep 4:
TIN08-71grt_lks_spectral.pdf
Addition of Great Lakes Wave Model Text Spectral Bulletins to NOAAPort: Effective
November 18, 2008
Sep 9:
TIN08-72conv_4-8.pdf
Addition of Experimental Day 4 to 8 Convective Outlook Element to the National Digital Forecast Database (NDFD): Effective
September 30, 2008
Sep 11:
TIN08-73_30_hr_taf.pdf
Weekly Test TAFs to Ensure Proper Decoding of 30-Hour TAF Format Test: Additional Tests Available
Tuesdays through Thursdays
Sep 26:
TIN08-74g-airmet_exp.pdf
Aviation Weather Center (AWC) Graphical AIRMET (G-AIRMET) will be Experimental: Effective
October 1, 2008
Oct 1:
TIN08-75wind_profiler_gap.pdf
Wind Profiler Data Products Temporarily Discontinued
Oct 3:
TIN08-76yuma_taf_cca.pdf
Corrected:
Termination of NWS Terminal Aerodrome Forecast (TAF) Service for the Yuma, AZ Airport (KYUM): Effective
December 16, 2008
Nov 4:
TIN08-77ruc_upgrades_aaa.pdf
Amended:
Rapid Update Cycle Upgrade: Effective
November 12, 2008
Oct 7:
TIN08-78sterling_upper_air.pdf
Revised Datum Information for Sterling, VA (LWX) Upper Air Release Point: Effective
September 19, 2008
Nov 6:
TIN08-79nam_upgrade_aaa.pdf
Updated:
North American Mesoscale Model Changes: Effective
December 16, 2008
Oct 9:
TIN08-80wind_prof_update.pdf
Six-Minute Wind Profiler Data Delivery Resumed: Effective
October 7, 2008
Oct 9:
TIN08-81rrs.pdf
First Quarter Fiscal Year 2009
Implementation of Radiosonde Replacement System (RRS) with Termination of Operations of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF)
Oct 9:
TIN08-82gfs_lamp.pdf
Addition of New Cycles for GFS-Based LAMP Guidance: Effective
November 12, 2008
Oct 15:
TIN08-83afwa_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
November 19, 2008
Until
0500 UTC
on
November 20, 2008
Oct 15:
TIN08-84evansville_wsr-88d_level_2.pdf
Conversion of Evansville, IN (KVWX) WSR-88D (KVWX) Level II Data Stream:
November 1, 2008
Oct 16:
TIN08-85tdwr_spg.pdf
Addition of Products Derived from FAA Terminal Doppler Weather Radar to SBN/NOAAPort and RPCCDS: Effective
November 18, 2008
Oct 17:
TIN08-86global_forecast.pdf
Global Forecast System Changes: Effective
December 9, 2008
Oct 28:
TIN08-87dng_conus.pdf
Addition of NCEP NAM-Based CONUS Area DNG Grids to NOAAPort: Effective
December 2, 2008
Oct 29:
TIN08-88taf_pontiac_mi.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Oakland County International Airport (KPTK) Near Pontiac, MI: Effective at
1800Z
on
January 15, 2009
Nov 3:
TIN08-89nam_mos.pdf
Replacement of Eta-Based MOS Guidance with NAM-Based MOS Guidance: Effective
December 9, 2008
Nov 6:
TIN08-90ngm_termination.pdf
Termination of the NGM and NGM-Based Products: Effective
March 3, 2009
Dec 12:
TIN08-91sref_upgrade_aaa.pdf
Updated:
Upgrade to Short Range Ensemble Modeling System: Effective
July 6, 2009
Nov 12:
TIN08-92dng_oconus.pdf
Addition of NCEP NAM-Based OCONUS Area DNG Grids to NOAAPort: Effective
January 28, 2009
Nov 12:
TIN08-93ww3_spectral_bulletins.pdf
Removal of Redundant WAVEWATCH III Spectral Bulletins: Effective
January 27, 2009
Nov 13:
TIN08-94swp_removal_revo.pdf
Deletion of WSR-88D Severe Weather Probability Product: Effective
May 18, 2009
Nov 14:
TIN08-95rtma_grids.pdf
Add New Experimental NCEP RTMA Grids to NOAAPort and NDGD: Effective
January 28, 2009
Dec 4:
TIN08-96taf_jacksonville.pdf
New Terminal Aerodrome Forecast (TAF) Service for Cecil Field Airport (KVQQ) in Jacksonville, FL: Effective
February 16, 2009
Mar 18, 2009:
TIN08-97rrs_schedule_aaa.pdf
Updated:
2009
Schedule Dates for Termination of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes (RDF) with Installation of Radiosonde Replacement Systems (RRS)
Dec 22:
TIN08-98storm_surge.pdf
Addition of More Levels of Probabilistic Storm Surge: Effective
March 24, 2009
Jan 8, 2009:
TIN08-99gfs_upgrade_aaa.pdf
Updated:
Global Forecast System Changes: Effective
February 24, 2009
TINs 2007
Jan 9:
TIN07-01taf_evanston_wy.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Evanston-Uinta County, WY Airport (KEVW): Effective
March 27, 2007
Jan 18:
TIN07-02asos_xfer_ct_and_az.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Bridgeport, CT and Winslow, AZ: Effective
January 18, 2007
Jan 19:
TIN07-03awc_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
February 28, 2007
Until
0500 UTC
on
March 1, 2007
Jan 26:
TIN07-04asos_xfer_tx_and_az_cca.pdf
Corrected:
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Dallas/Fort Worth, TX and Tucson, AZ: Effective
January 24, 2007
Jan 26:
TIN07-05ndfd_spc_update.pdf
Nine Experimental Convective Outlook Hazard Probability Elements to be Added to the National Digital Forecast Database (NDFD) on
February 27, 2007
at
1400 UTC
Jan 29:
TIN07-06asos_xfer_alamosa_co.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Alamosa, CO: Effective
January 26, 2007
Feb 2:
TIN07-07pacific_mos_precip.pdf
New GFS MOS Precipitation Guidance for Island Locations in the Western Pacific Ocean: Effective
Tuesday, April 24, 2007
Feb 20:
TIN07-08time_chg_sprg_07_ccb.pdf
Corrected:
Impact of Change to Daylight Saving Time on Issuance Times of Several NWS Aviation Weather Forecasts: Effective
March 11, 2007
Feb 13:
TIN07-09wafc_backup.pdf
Backup Test of the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products on
April 4, 2007
Feb 13:
TIN07-10taf_plattsburgh_ny.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Plattsburgh International Airport (KPBG) Near Plattsburgh, NY: Effective
May 16, 2007
Feb 15:
TIN07-11gefs_14_to_20.pdf
: NCEP Global Ensemble Forecast System Expands from 14 to 20 Members: Effective
March 27, 2007
Feb 21:
TIN07-12asos_xfr_mi_mn_az.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Flint, MI, St. Cloud, MN, Duluth, MN and Page, AZ: Effective
February 21, 2007
Feb 22:
TIN07-13lamp_addtn.pdf
Addition of New Cycles and Stations for GFS-Based LAMP Guidance: Effective
May 8, 2007
Feb 26:
TIN07-14asos_xfr_wichita.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Wichita, KS: Effective
February 23, 2007
Mar 2:
TIN07-15cip_grib_chng.pdf
Changes to the Implementation of the Current Icing Product (CIP) in GRIB Format: Effective
May 15, 2007
Mar 8:
TIN07-16rrs_implement_cca.pdf
Corrected:
FY 2007
Schedule of Radiosonde Replacement System (RRS) Implementation with Termination of Operations of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes
Mar 7:
TIN07-17gfs_bufr_soundings.pdf
NCEP Global Forecast System BUFR Format Sounding Products to be Added to NOAAPort: Effective
June 5, 2007
Mar 15:
TIN07-18taf_plattsburgh_ny.pdf
Closure of Clinton County Airport (KPLB) Near Plattsburgh, NY; Opening of Plattsburgh International Airport (KPBG) Near Plattsburgh, NY and Associated Product Identifier Changes: Effective
May 9, 2007
Nov 16:
TIN07-19ndfd_web_feature_serv_aaa.pdf
Updated:
Comment Period for Web Feature Service Access to the National Digital Forecast Database Extended through
April 30, 2008
Apr 10:
TIN07-20asos_xfr_indianapolis.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Indianapolis, IN: Effective
April 6, 2007
Apr 12:
TIN07-21gfs_upgrade.pdf
NCEP Global Forecast System Model Upgrade: Effective
May 1, 2007
Apr 16:
TIN07-22prob_wind_speed.pdf
Changes to Tropical Cyclone Probabilistic Wind Speed Products: Effective
May 15, 2007
Apr 16:
TIN07-23afwa_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2000 UTC
on
May 16, 2007
Until
0400 UTC
on
May 17, 2007
Apr 23:
TIN07-24_24_hr_taf_bluefield_wv.pdf
Terminal Aerodrome Forecast (TAF) Service for the Mercer County Airport (KBLF) Near Bluefield, WV Extended to 24 Hours: Effective
July 18, 2007
TIN07-25 - Not Available.
Apr 24:
TIN07-26storm_surge_guidance.pdf
Extension of Extratropical Storm Surge Guidance Forecast through 96 Hours: Effective
July 10, 2007
Apr 26:
TIN07-27asos_xfer_toledo.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Toledo, OH: Effective
April 25, 2007
Apr 27:
TIN07-28taf_rutland_vt.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Rutland State Airport (KRUT) Near Rutland, VT: Effective
July 11, 2007
Apr 27:
TIN07-29asos_comm_rome_ny.pdf
Commissioning of Automated Surface Observing System (ASOS) at Rome, NY: Effective
April 27, 2007
May 1:
TIN07-30asos_xfr_detroit.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Detroit, MI: Effective
May 1, 2007
May 1:
TIN07-31ndfd_6_tpc_opnl.pdf
Probabilistic Tropical Cyclone Surface Wind Speed Elements to Become Operational in the National Digital Forecast Database on
May 31, 2007
with the
1200 UTC Issuance
May 1:
TIN07-32ndfd_wave_hgt_opnl.pdf
Significant Wave Height Element to Become Operational in the National Digital Forecast Database on
May 31, 2007
at
1200 UTC
Jun 22:
TIN07-33real_time_ocean_update_aaa.pdf
Updated:
National Centers for Environmental Prediction (NCEP) Real Time Ocean Forecast System (RTOFS) Model Upgrade: Effective
June 5, 2007
May 8:
TIN07-34jun_cloud.pdf
Upgrade of GFS-based Sky Cover Guidance: Effective
June 5, 2007
May 9:
TIN07-35polar_microwave.pdf
National Environmental Satellite, Data and Information Service Polar Satellite Microwave Products to be Added to NOAAPort: Effective
July 24, 2007
May 21:
TIN07-36asos_xfer_limon_co_cca.pdf
Corrected:
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Apalachicola, FL and Limon, CO: Effective
May 17, 2007
May 21:
TIN07-37awc_remove_sig_wx_bufr.pdf
Removal of Operational WAFS Significant Weather Messages in BUFR Format from the Experimental Product Evaluation ftp Server: Effective
July 24, 2007
May 24:
TIN07-38asos_xfer_orlando.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Orlando, FL: Effective
May 23, 2007
May 30:
TIN07-39rrs_implement.pdf
Fourth Quarter FY07
Schedule: Radiosonde Replacement System (RRS) Implementation with Termination of Operations of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes
Jun 1:
TIN06-87gfs_mos_addl_aac.pdf
Updated:
Addition of New Elements to the GFS-Based Gridded MOS Guidance: Effective
June 5, 2007
Jun 14:
TIN07-40hurr_wx_resrch_forecast_model.pdf
National Centers for Environmental Prediction (NCEP) to Implement Hurricane Weather Research and Forecast (HWRF) Model: Effective
June 19, 2007
Jun 19:
TIN07-41asos_xfr_plattsburgh_ny.pdf
Commissioning of Automated Surface Observing System (ASOS) at Plattsburgh, NY: Effective
June 18, 2007
Aug 27:
TIN07-42gfs_mos_lamp_chgs_aaa.pdf
Updated:
Changes to GFS-Based MOS and LAMP Products: Effective
September 11, 2007
Jun 22:
TIN07-43cofs_discontinue.pdf
NCEP Coastal Ocean Forecast System (COFS) Discontinued: Effective
September 5, 2007
Jun 29:
TIN07-44asos_sid_chg_sd.pdf
Site Identifier (SID) Change to the Automated Surface Observing System (ASOS) at Winner, SD: Effective
July 5, 2007
Jun 29:
TIN07-45taf_owensboro_ky.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Owensboro-Daviess County, KY Airport (KOWB): Effective
October 2, 2007
Jun 29:
TIN07-46asos_xfr_youngstown_oh.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Youngstown, OH: Effective
June 28, 2007
Jul 2:
TIN06-65exp_sig_wv_hgt_aaa.pdf
Updated:
Soliciting Comments for Experimental Format of the Significant Wave Height Forecasts from the National Marine Forecast Centers Beginning
October 16, 2006
Jul 12:
TIN07-47afwa_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
August 22, 2007
Until
0400 UTC
on
August 23, 2007
Jul 12:
TIN07-48new_cycles_gfs_lamp.pdf
Addition of New Cycles for GFS-Based LAMP Guidance: Effective
September 26, 2007
Jul 27:
TIN07-49grib1_to_grib2_conversion.pdf
Removal of NCEP Derived Model GRIB1 Products from NCEP and NWSTG Public ftp/http Servers and Replacement of NCEP Derived Model GRIB1 Products with GRIB2 Products on the NWSTG and NCEP Public ftp/http Servers: Effective
January 29, 2008
Aug 2:
TIN07-50asos_xfer_stockton_ca.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Stockton, CA: Effective
July 31, 2007
Nov 14:
TIN07-51nww3_upgrade_aad.pdf
Updated:
Upgrade to NOAA WAVEWATCH III Model is
Delayed Until November 27, 2007
Aug 3:
TIN07-52asos_xfr_dubuque_ia.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Dubuque, IA: Effective
August 2, 2007
Aug 6:
TIN07-53wafs_sig_wx_times_chg.pdf
Change in Transmission Times of High Level and Medium Level Significant Weather Products by Washington and London World Area Forecast Centers (WAFCs): Effective
February 6, 2008
Aug 6:
TIN07-54wafc_backup.pdf
Backup Test of the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products on
October 3, 2007
Aug 17:
TIN07-55asos_xfr_salt_lake_city.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Salt Lake City, UT: Effective
August 16, 2007
Aug 17:
TIN07-56wind_gust_operational_ndfd.pdf
Wind Gust Element to Become Operational in the National Digital Forecast Database (NDFD) on
September 20, 2007
at
1400 UTC/September 21, 2007
at
Midnight Local Time
in Guam
Aug 20:
TIN07-57ncep_air_qual_upgrade.pdf
Upgrade of the NCEP Air Quality Forecast (CMAQ) System: Effective
September 18, 2007
Aug 21:
TIN07-58grib2_paramtr_chg.pdf
Gridded Binary Encoding and Decoding Changes for the Experimental Convective Outlook Hazard Probability Elements in the National Digital Forecast Database (NDFD): Effective
September 20, 2007
Aug 21:
TIN07-59gfs_upgrade_unified_post.pdf
Upgrade to NCEP Global Forecast System (GFS): Effective
September 25, 2007
Aug 21:
TIN07-60wafc_sig_wx.pdf
Changes to the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products: Effective
Tuesday, November 6, 2007
Aug 21:
TIN07-61intl_sigmet_change.pdf
Changes to the International Civil Aviation Organization (ICAO) SIGMETs Issued by Aviation Weather Center on
November 7, 2007
Aug 31:
TIN06-24rtma_grids_aac.pdf
Updated:
Addition of Real Time Mesoscale Analysis Grids
Aug 31:
TIN07-62asos_xfr_albany.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Albany, NY: Effective
August 31, 2007
Sep 4:
TIN07-63ndfd_enhancement.pdf
Enhanced Options for Specifying Location Input to the National Digital Forecast Database (NDFD) Simple Object Access Protocol (SOAP) Service Starts
October 18, 2007
Sep 5:
TIN07-64taf_jerome.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Jerome County Airport, ID (KJER): Effective
November 29, 2007
Sep 5:
TIN07-65taf_pecos.pdf
New Terminal Aerodrome Forecast (TAF) Service for Pecos Municipal Airport (KPEQ) in Pecos, TX: Effective
November 20, 2007
Sep 3:
TIN07-66asos_xfr_co_spr.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Colorado Springs, CO: Effective
September 6, 2007
Sep 10:
TIN07-67asos_xfr_san_antonio.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for San Antonio, TX: Effective
September 7, 2007
Sep 10:
TIN07-68rrs_implement.pdf
First Quarter FY08
Schedule: Radiosonde Replacement System (RRS) Implementation with Termination of Operations of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes
Sep 12:
TIN07-69asos_xfr_fresno.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Fresno, CA: Effective
September 11, 2007
Sep 14:
TIN06-01ruc_13_aab.pdf
Updated:
Addition of Rapid Update Cycle (RUC) 13 km Resolution Model Guidance on NOAAPort Postponed until
December 4, 2007
Sep 14:
TIN07-70asos_san_francisco.pdf
: Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for San Francisco, CA: Effective
September 13, 2007
Sep 18:
TIN07-71ndfd_climate.pdf
Twelve Experimental Climate Outlook Hazard Probability Elements to be Added to the National Digital Forecast Database (NDFD) on
October 18, 2007
at
1400 UTC
Sep 20:
TIN07-72asos_xfr_spokane_portland.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Spokane, WA and Portland, OR: Effective
September 18, 2007
Sep 21:
TIN07-73asos_xfr_buffalo.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Buffalo, NY: Effective
September 21, 2007
Sep 27:
TIN07-74taf_visalia.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Visalia Airport, CA (KVIS): Effective
December 13, 2007
Sep 27:
TIN07-75chg_standard_time.pdf
Impact of Change to Standard Time on Issuance Times of Aviation Weather Forecasts: Effective
November 4, 2007
Oct 4:
TIN07-76asos_xfr_grand_rpds_val.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Grand Rapids, MI and Valentine, NE: Effective
October 3, 2007
Oct 4:
TIN07-77taf_kenosha.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Kenosha Regional Airport in WI: Effective
December 20, 2007
Oct 11:
TIN07-78asos_xfr_reno.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Reno, NV: Effective
October 10, 2007
Oct 23:
TIN07-79asos_xfr_lynchburg.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Lynchburg, VA: Effective
October 19, 2007
Oct 24:
TIN07-80afwa_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
November 7, 2007
Until
0500 UTC
on
November 8, 2007
Oct 24:
TIN07-81naefs.pdf
NCEP Begins Producing NAEFS Products: Effective
Tuesday, December 4, 2007
May 30, 2008:
TIN07-82mos_alaska_aab.pdf
Updated:
Addition of GFS-Based Gridded MOS Guidance for Alaska: Effective
June 10, 2008
Mar 3, 2008:
TIN07-83aim_update_aaa.pdf
Updated:
Updating Aviation Weather Advisory Plotting Chart Reference Points: Effective
April 15, 2008
Oct 25:
TIN07-84taf_ext.pdf
Terminal Aerodrome Forecast (TAF) Service Extended to 24 Hours at Nine NWS Eastern Region Airports: Effective
January 16, 2008
Nov 1:
TIN07-85asos_xfr_providence.pdf
: Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Providence, RI: Effective
October 31, 2007
Nov 2:
TIN07-86asos_xfr_lexington.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Lexington, KY: Effective
November 1, 2007
Nov 8:
TIN07-87taf_dls.pdf
Terminal Aerodrome Forecast (TAF) Service for the Dalles Airport (KDLS), OR Increases to 24 Hours Effective:
December 11, 2007
Dec 18:
TIN07-88climate_upgrade_aaa.pdf
Updated:
Upgrade to Climate Forecast System: Effective
January 22, 2008
Nov 9:
TIN07-89sref_upgrade.pdf
Upgrade to Short Range Ensemble Modeling System: Effective
December 11, 2007
Mar 11, 2008:
TIN07-90rtma_alaska_cca.pdf
Corrected:
Addition of NCEP RTMA Grids for the Alaska Region: Effective
March 13, 2008
Nov 15:
TIN07-91asos_xfr_beckley_yakima.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Beckley, WV and Yakima, WA: Effective
November 14, 2007
Nov 16:
TIN07-92asos_xfr_huntington_kalispell.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Huntington, WV and Kalispell, MT: Effective
November 15, 2007
Nov 20:
TIN07-93taf_falmouth.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Otis Air National Guard Base (KFMH) Near Falmouth, MA: Effective
February 27, 2008
Nov 26:
TIN07-94ngm_lamp_removal.pdf
Removal of NGM-LAMP Guidance Products from NWS Websites and ftp Servers and Replacement by the Localized Aviation MOS Program: Effective
January 15, 2008
Nov 26:
TIN07-95wsr-88d_level_2.pdf
Implementation of Changes to WSR-88D Level II Data Stream and Format: Effective with WSR-88D Build 10
February 2008
beta test
Feb 13, 2008:
TIN07-96nam_changes_aab.pdf
Updated:
North American Mesoscale Model Changes: Effective
March 25, 2008
Dec 7:
TIN07-97asos_xfr_cleveland.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Cleveland, OH: Effective
December 7, 2007
Dec 10:
TIN06-26taf_san_marcos_aaa.pdf
: Updated:
Suspend Terminal Aerodrome Forecast (TAF) Service for San Marcos Municipal Airport (KHYI) in San Marcos, TX: Effective:
Tuesday, December 18, 2007
Dec 10:
TIN07-98taf_gunnison_yampa.pdf
Suspension of Terminal Aerodrome Forecast (TAF) Service for Gunnison (KGUC) and Yampa Valley (KHDN), CO: Effective
February 26, 2008
Dec 21:
TIN07-99wafc_backup.pdf
January 30, 2008
Backup Test of the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products
TINs 2006
Sep 14, 2007:
TIN06-01ruc13_aab.pdf
Updated:
Addition of Rapid Update Cycle (RUC) 13 km Resolution Model Guidance on NOAAPort Postponed until
December 4, 2007
Jan 19:
TIN06-02afwa_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
March 15, 2006
until
0500 UTC
on
March 16, 2006
Jan 27:
TIN06-03kalispell_winds.pdf
Change to Station Identifier Within the Bulletin Body of FDUS and FBUS Bulletins for Kalispell, MT from FCA to GPI: Effective
April 12, 2006
Feb 6:
TIN06-04ndfd_update.pdf
NWS National Digital Forecast Database (NDFD) Operational Readiness Status Message: Two Experimental Elements to Become Operational on
March 15, 2006/March 16, 2006
Local Guam Time
Feb 13:
TIN06-05gldn_tri_taf.pdf
: New Terminal Aerodrome Forecast (TAF) Service for Golden Triangle Regional Airport (KGTR) in Columbus, MS: Effective
April 27, 2006
Feb 16:
TIN06-06wafc_backup.pdf
Backup Test of the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products on
April 5, 2006
Mar 2:
TIN06-07ndfd_update_aaa.pdf
Updated
: NWS National Digital Forecast Database (NDFD) Improvements: Relative Humidity and Apparent Temperature Elements to Become Operational on
March 15, 2006/March 16, 2006
Local Guam Time
Feb 17:
TIN06-08asos_xfer.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Concordia, KS and Valentine, NE: Effective
February 17, 2006
Feb 22:
TIN06-09time_chg_sprg_2006.pdf
Impact of Change to Daylight Savings Time on Issuance Times of Several Aviation Weather Forecasts: Effective
April 2, 2006
Feb 22:
TIN06-10rrs_deploy_12.pdf
Implementation of Radiosonde Replacement System (RRS) Operations with Termination of Automated Radiotheodolite Tracking (ART) and Termination of Radio Direction Finding Radiosondes
Feb 23:
TIN06-11fax_delete.pdf
Deletion of Several Legacy Fax Products: Effective
June 6, 2006
Mar 13:
TIN06-12asos_transfer.pdf
: Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Kirksville, MO and Teterboro, NJ: Effective
March 9, 2006
Apr 17:
TIN06-13sref_addition_aaa.pdf
Updated:
Addition of Short Range Ensemble Forecast (SREF) System Products on NOAAPort: Effective
April 24, 2007
Mar 23:
TIN06-14local_avn_mos.pdf
Addition of New GFS-Based Localized Aviation MOS Program Guidance: Effective
July 25, 2006
Mar 28:
TIN06-15polar_orb_visible_cca.pdf
Corrected:
Addition of NOAA Polar Orbiter AVHRR Satellite Imagery to NOAAPort: Effective
June 7, 2006
Mar 27:
TIN06-16ak_rfc_mos.pdf
Addition of Alaska GFS-Based RFC MOS Product: Effective
June 13, 2006
Mar 27:
TIN06-17thundrsrm_mos.pdf
Enhancements of GFS-Based MOS Thunderstorm Products: Effective
April 25, 2006
Mar 29:
TIN06-18taf_new_rich_wi.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for New Richmond Regional Airport, WI (KRNH): Effective
August 1, 2006
Apr 12:
TIN06-19com_xfer.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Del Rio, TX: Effective
April 7, 2006
Apr 18:
TIN06-20ohare_comms_xfer.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Chicago/O'Hare, IL International Airport: Effective
April 13, 2006
Apr 24:
TIN06-21mos_wind.pdf
Changes to Extended-Range GFS-Based MOS Wind Guidance: Effective
July 11, 2006
Apr 27:
TIN06-22asos_riverton.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Riverton, WY: Effective
April 25, 2006
Apr 27:
TIN06-23afwa_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2000 UTC
on
May 31, 2006
until
0400 UTC
on
June 1, 2006
Aug 31, 2007:
TIN06-24rtma_grids_aac.pdf
Updated:
Addition of Real Time Mesoscale Analysis Grids
May 4:
TIN06-25taf_mnt_home_ark.pdf
New Terminal Aerodrome Forecast (TAF) Service for Ozark Regional Airport (KBPK) in Mountain Home, AR: Effective
July 18, 2006
Dec 10, 2007:
TIN06-26taf_san_marcos_aaa.pdf
: Updated:
Suspend Terminal Aerodrome Forecast (TAF) Service for San Marcos Municipal Airport (KHYI) in San Marcos, TX: Effective:
Tuesday, December 18, 2007
May 4:
TIN06-27taf_monticello_ark.pdf
New Terminal Aerodrome Forecast (TAF) Service for Monticello Municipal Airport/Ellis Field (KLLG) in Monticello, AR: Effective
July 18, 2006
May 4:
TIN06-28taf_san_antonio_tx.pdf
New Terminal Aerodrome Forecast (TAF) Service for Stinson Municipal Airport (KSSF) in San Antonio, TX: Effective
July 18, 2006
May 5:
TIN06-29jet_depth.pdf
New Format for Displaying Jet Depth Information on World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products: Effective
July 26, 2006
May 9:
TIN06-30ndfd_split.pdf
NWS National Digital Forecast Database (NDFD) Element Files to be Split into Smaller Files on
September 6, 2006/September 7, 2006
Local Guam Time
Nov 6:
TIN06-31airmet_standrdztn_cca.pdf
Corrected:
Updated Standardization of AIRMET Text Products Issued for the CONUS: Effective
November 28, 2006
May 30:
TIN06-32gfs_mos_txt_new_sites.pdf
Update to Stations in Global Forecast System (GFS) Model Output Statistics (MOS) Text Products: Effective
August 15, 2006
May 30:
TIN06-33gfs_mos_bufr_new_sites.pdf
Update to Stations in GFS-Based Model Output Statistics (MOS) BUFR Products: Effective
August 15, 2006
Jun 2:
TIN06-34taf_conroe_tx.pdf
New Terminal Aerodrome Forecast (TAF) Service for Lone Star Executive Airport (KCXO) in Conroe, TX: Effective
August 29, 2006
Jun 2:
TIN06-35taf_sugrland_tx.pdf
New Terminal Aerodrome Forecast (TAF) Service for Sugarland Regional Airport (KSGR) in Sugarland, TX: Effective
August 29, 2006
Jun 2:
TIN06-36taf_huntsville_tx.pdf
New Terminal Aerodrome Forecast (TAF) Service for Huntsville Municipal Airport (KUTS) in Huntsville, TX: Effective
August 29, 2006
Jun 5:
TIN06-37exp_ndfd_tropical.pdf
New Experimental National Digital Forecast Database Tropical Cyclone Surface Wind Speed Probability Elements for the Contiguous United States and Adjacent Coastal Areas: Effective
July 5, 2006
Jun 8:
TIN06-38taf_lumberton_nc.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Lumberton Municipal Airport (KLBT) Near Lumberton, NC: Effective
August 22, 2006
Jun 9:
TIN06-39ndfd_split_day_4-7.pdf
NWS National Digital Forecast Database (NDFD) Element Files to be Split Into Smaller Files on
September 6, 2006/September 7, 2006
Local Guam Time
Jun 9:
TIN06-40eta_mos_nmm_final.pdf
Impact on ETA-based MOS Guidance with Implementation of Non-Hydrostatic Mesoscale Model on
June 13, 2006
Jun 12:
TIN06-41asos_xfr_laguardia.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for La Guardia Airport, New York City, NY: Effective
June 12, 2006
Sep 8:
TIN06-42taf_las_cruces_nm_cca.pdf
Corrected:
New Terminal Aerodrome Forecast (TAF) Service for Las Cruces International Airport (KLRU) in NM: Effective
October 3, 2006
Jun 13:
TIN05-68eta_replacement_aab.pdf
Updated:
Replacement of NCEP-Eta Model with the Non-Hydrostatic Mesoscale Model
Postponed to June 20, 2006
Due to Critical Weather Declaration
Jun 15:
TIN06-43wafc_backup.pdf
Backup Test of the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products on
July 11, 2006
Jul 21:
TIN06-44gfs_upgrade_aaa.pdf
Updated:
Upgrades to the National Centers for Environmental Prediction Global Forecast System Postponed until
August 22, 2006
Jun 27:
TIN06-45hpc_prob_winter_wx_label.pdf
Change to Terminology Used in HPC Probabilistic Winter Weather Products: Effective
September 15, 2006
Jun 30:
TIN06-46hydro_quant_precip.pdf
Addition of the Hydrometeorological Prediction Center Quantitative Precipitation Forecast 5 km Product: Effective
October 31, 2006
Jul 6:
TIN06-47taf_bar_harbor_me.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Hancock County Bar Harbor Airport (KBHB) Near Bar Harbor, ME: Effective
October 4, 2006
Jul 10:
TIN06-48obsolete_gfs_bufr.pdf
Removal of Obsolete Short-Range GFS-Based MOS BUFR Products: Effective
August 15, 2006
Jul 11:
TIN06-49comms_xfr_jfk.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA): John F. Kennedy New York City, NY: Effective
July 6, 2006
Jul 14:
TIN06-50temp_chg_pfm_or_and_wa.pdf
Temporary Change to Point Forecast Matrix (PFM) Issued by WFOs Portland, OR, Seattle, WA, Spokane, WA and Pendleton, OR: Effective
September 28, 2006
Jul 19:
TIN06-51ndfd.pdf
Change in Time the NWS National Digital Forecast Database (NDFD) is Extended by 24 Hours: Effective
November 28, 2006
Aug 2:
TIN06-52rrs_deploy_4.pdf
Implementation of Radiosonde Replacement System (RRS) Operations with Termination of Automated Radiotheodolite Tracking (ART) and of Radio Direction Finding Radiosondes
Aug 1:
TIN06-53afwa_backup_8-06.pdf
Backup of Aviation Weather Center Products Scheduled from
2000 UTC
on
September 6, 2006
until
0400 UTC
on
September 7, 2006
Aug 7:
TIN06-54ndfd_alaska.pdf
Forecasts for Alaska Added to the National Digital Forecast Database (NDFD) in Experimental Status on
September 6, 2006
at
1400 UTC
Aug 7:
TIN06-55ndfd_wind_gust.pdf
New Experimental Wind Gust Element to be Added to the National Digital Forecast Database (NDFD) on
September 6, 2006
September 7, 2006
in Guam
Aug 16:
TIN06-56comms_xfr.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Gillette, WY, Des Moines, IA and Worcester, MA: Effective
August 16, 2006
Aug 24:
TIN06-57asos_tx_wa_wi.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Lubbock, TX, Seattle, WA and Milwaukee, WI: Effective
August 23, 2006
Aug 28:
TIN06-58severe_icing.pdf
New CIP Icing Severity: Effective
December 6, 2006
Dec 6:
TIN06-59graph_turbulence_aaa.pdf
Updated:
Enhancement of Graphical Turbulence Guidance (GTG): Effective January 8, 2007;
Postponed Until Further Notice
Sep 5:
TIN06-60ndfd_split_remind.pdf
NWS National Digital Forecast Database (NDFD) Element Files to be Split into Smaller Files on
September 6, 2006
September 7, 2006
Local Guam Time
Sep 8:
TIN06-61wafc_backup.pdf
Backup Test of the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products on
October 4, 2006
Sep 8:
TIN06-62taf_ft_stktn_tx.pdf
New Terminal Aerodrome Forecast (TAF) Service for Fort Stockton Airport (KFST) in Fort Stockton, TX: Effective
December 5, 2006
Sep 13:
TIN06-63chg_standard_time.pdf
Impact of Change to Standard Time on Issuance Times of Several Aviation Weather Forecasts: Effective
October 29, 2006
Sep 27:
TIN06-64rrs_norman_ok.pdf
Norman, OK Elevated to the
2006 Schedule
of Sites to Implement the Radiosonde Replacement System (RRS)
Jul 2, 2007:
TIN06-65exp_sig_wv_hgt_aaa.pdf
Updated:
Soliciting Comments for Experimental Format of the Significant Wave Height Forecasts from the National Marine Forecast Centers: Beginning
October 16, 2006
Sep 29:
TIN06-66ndfd_hawaii.pdf
Experimental QPF Element for Hawaii to be Added to the National Digital Forecast Database (NDFD) on
November 1, 2006
at
1400 UTC
Oct 4:
TIN06-67asos_xfr.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Farmington, NM and Challis, ID: Effective
October 4, 2006
Oct 11:
TIN06-68comms_xfer_peoria.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Peoria, IL: Effective
October 11, 2006
Oct 12:
TIN06-69taf_rome_ny.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Griffiss Airpark (KRME) Near Rome, NY: Effective
December 27, 2006
Oct 12:
TIN06-70taf_oneida_to_rome.pdf
Closure of Oneida County Airport (KUCA) Near Utica, NY, Opening of Griffiss Airpark (KRME) Near Rome, NY and Associated Product Identifier Changes: Effective
January 3, 2007
Oct 23:
TIN06-71prob_wind_spd.pdf
Changes to Tropical Cyclone Probabilistic Wind Speed Products: Effective
January 18, 2007
Oct 23:
TIN06-72ndfd_update_time_remind.pdf
Reminder: Change in Time the NWS National Digital Forecast Database (NDFD) is Extended by 24 Hours: Effective
November 28, 2006
Oct 30:
TIN06-73xml_opnl.pdf
Upgrade NWS XML Services to Operational Status: Effective
December 4, 2006
Oct 31:
TIN06-74afwa_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
December 13, 2006
Until
0500 UTC
on
December 14, 2006
Nov 1:
TIN06-75muskegon_comms_xfr.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Muskegon, MI: Effective
November 1, 2006
Nov 15:
TIN06-76legacy_fax_delete.pdf
Deletion of Several Legacy Fax Products: Effective
February 13, 2007
at
1200 UTC
Mar 8:
TIN06-77rrs_implement_cca.pdf
Corrected:
2007
Schedule of Radiosonde Replacement System (RRS) Implementation with Termination of Operations of Radiotheodolite Tracking (ART) and Radio Direction Finding Radiosondes
Dec 8:
TIN06-78wafc_backup_aaa.pdf
Updated:
Cancel Backup Test of the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products:
January 10, 2007
Nov 22:
TIN06-79taf_leesburg_fl.pdf
New Terminal Aerodrome Forecast (TAF) Service for Leesburg Regional Airport (KLEE) in Leesburg, FL: Effective
February 27, 2007
Nov 22:
TIN06-80taf_kissimmee_fl.pdf
New Terminal Aerodrome Forecast (TAF) Service for Kissimmee Gateway Airport (KISM) in Kissimmee, FL: Effective
February 27, 2007
Nov 22:
TIN06-81taf_ft_laudrdle_fl.pdf
New Terminal Aerodrome Forecast (TAF) Service for Fort Lauderdale Executive Airport (KFXE) in Fort Lauderdale, FL: Effective
March 15, 2007
Nov 22:
TIN06-82taf_opa-locka_fl.pdf
New Terminal Aerodrome Forecast (TAF) Service for Opa-Locka Executive Airport (KOPF) in Miami, FL: Effective
March 15, 2007
Nov 22:
TIN06-83asos_comms_xfr_mt.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Billings and Havre, MT and Poplar Bluff, MO: Effective
November 21, 2006
Nov 22:
TIN06-84alaska_gfs_40.pdf
Addition of Global Forecast System (GFS) Grids for the Alaska Region: Effective
November 28, 2006
Nov 22:
TIN06-85pacific_gfs_40.pdf
Addition of Global Forecast System (GFS) Grids for the Pacific Region: Effective
December 5, 2006
Nov 22:
TIN06-86puerto_rico_gfs_40.pdf
Addition of Global Forecast System (GFS) Grids for the Puerto Rico Region: Effective
December 12, 2006
Jun 1, 2007:
TIN06-87gfs_mos_addl_aac.pdf
Updated:
Addition of New Elements to the GFS-Based Gridded MOS Guidance: Effective
June 5, 2007
Nov 29:
TIN06-88taf_sonora_tx.pdf
New Terminal Aerodrome Forecast (TAF) Service for Sonora Municipal Airport (KSOA) in Sonora, TX; Effective
February 27, 2007
Nov 29:
TIN06-89taf_brady_tx.pdf
New Terminal Aerodrome Forecast (TAF) Service for Curtis Field Airport (KBBD) in Brady, Tx: Effective
February 27, 2007
Nov 29:
TIN06-90taf_junction_tx.pdf
: New Terminal Aerodrome Forecast (TAF) Service for Kimble County Airport (KJCT) in Junction, TX: Effective
February 27, 2007
Dec 13:
TIN06-91asos_comms_xfr_ct_ne_id.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Windsor Locks, CT, Scottsbluff, NE and McCall, ID: Effective
December 13, 2006
Dec 13:
TIN06-92nam_crisis_chg.pdf
Weather Research Forecast Model Crisis Changes: Effective
December 19, 2006
Dec 15:
TIN06-93taf_iberia_la.pdf
New Terminal Aerodrome Forecast (TAF) Service for Acadiana Regional Airport (KARA) in New Iberia, LA: Effective
February 27, 2007
Dec 14:
TIN06-94asos_xfr_pa_ky_mi.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Pittsburgh, PA; Covington, KY and Lansing, MI: Effective
December 14, 2006
TINs 2005
Jan 7:
TIN04-52eta_bufr_aaa.pdf
Updated:
Addition of New Eta-Based MOS BUFR Products: Effective
February 8, 2005
Jan 7:
TIN04-53gfs_bufr_aaa.pdf
Updated:
Addition of New Short-Range GFS-Based MOS BUFR Products: Effective
February 8, 2005
Jan 10:
TIN04-54coop_text_aaa.pdf
Updated:
Addition of GFS-Based MOS Maximum and Minimum Temperature Guidance for Cooperative Observer Locations: Effective
February 8, 2005
Jan 11:
TIN05-01eta_218_removal.pdf
Removal of the NAM (ETA) Model GRIB1 Products on Grid 218 from NOAAPort:
March 29, 2005
Jan 19:
TIN05-02wafc_london_backup.pdf
Backup Test of World Area Forecast Center (WAFC) Washington High Level Significant Weather and Medium Level Significant Weather Products Scheduled from
0500 UTC
on
February 24, 2005
until
1000 UTC
on
February 24, 2005
Jan 19:
TIN05-03asos_transfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Charlotte, NC and Williston, ND: Effective
January 19, 2005
Jan 19:
TIN05-04header_change.pdf
World Meteorological Organization (WMO) Header and NWS Communications Identifier Changes to Aviation Weather Center (AWC), the Alaska Aviation Weather Unit (AAWU) and the Honolulu, HI Weather Forecast Office (WFO HNL) Text Products: Effective
May 17, 2005
Jan 28:
TIN05-05taf_grnd_strnd_sc.pdf
Terminal Aerodrome Forecast (TAF) Service for the Grand Strand Airport (KCRE) Near North Myrtle Beach, SC Extended to 24 Hours: Effective
April 27, 2005
Feb 1:
TIN05-06ccfp_acm.pdf
New Features of Collaborative Convective Forecast Product ASCII Coded Text Message: Effective
March 1, 2005
Feb 7:
TIN05-07gfs_mos_pacific_cca.pdf
Corrected:
Addition of Two Sites to the Short-Range GFS MOS Guidance: Effective
April 19, 2005
Feb 3:
TIN05-08mos_west_pacific.pdf
New Short-range GFS MOS Guidance for Island Locations in the Western Pacific Ocean: Effective
June 7, 2005
Feb 7:
TIN05-09pullman_new_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Pullman/Moscow Regional Airport (KPUW): Effective
May 3, 2005
Feb 16:
TIN05-10eta_242_removal_aaa.pdf
Amended:
Removal of the NAM (ETA) Model GRIB1 Products on Grid 242 from NOAAPort:
May 2, 2005
Feb 14:
TIN05-11trop_cyclone_bull.pdf
Change to Tropical Cyclone Position Bulletins to Permit No More than One Tropical Cyclone Report per Bulletin: Effective
May 3, 2005
Feb 15:
TIN05-12ndfd_t_td_wx.pdf
Three National Digital Forecast Database (NDFD) Elements for the Contiguous U.S. Become Operational on
March 15, 2005
at
1400 UTC
TIN05-13:
Incorrectly issued.  See
TIN05-10 Amended
Feb 18:
TIN05-14hpc_mr_text.pdf
Medium Range Guidance from HPC in Experimental Text Format: Effective
Immediately
Feb 18:
TIN05-15nexrad_comm_vwx.pdf
Commissioning of Evansville, IN Weather Radar
Feb 18:
TIN05-16wafc_london_bkup.pdf
Backup Test of World Area Forecast Center (WAFC) London High Level Significant Weather and Medium Level Significant Weather Products Scheduled from
1630 UTC
on
March 15, 2005
until
2230 UTC
on
March 15, 2005
Mar 4:
TIN05-17sig_wx_bufr.pdf
Addition of New World Area Forecast System (WAFS) Significant Weather Products in BUFR Format: Effective
June 30, 2005
Mar 11:
TIN05-18emc_gfs_addl_data.pdf
Additional Global Forecast System Data Available: Effective
March 15, 2005
Mar 15:
TIN05-19wafc_backup.pdf
Backup Test of World Area Forecast Center (WAFC) Washington High Level Significant Weather and Medium Level Significant Weather Products Scheduled from
1630 UTC
on
April 19, 2005
until
2230 UTC
on
April 19, 2005
Mar 15:
TIN05-20gfs_rbg_removal.pdf
Removal of the GFS Redbook Graphic Products from NOAAPort: Effective
May 31, 2005
Mar 15:
TIN05-21wave_rbg_removal.pdf
Removal of the NCEP Wave Model Redbook Graphic Products from NOAAPort: Effective
May 31, 2005
Mar 15:
TIN05-22uk_ec_rbg_removal.pdf
Removal of the UKMET and ECMWF Redbook Graphic Products from NOAAPort: Effective
May 31, 2005
Mar 15:
TIN05-23time_change_dst.pdf
Impact of Change to Daylight Savings Time on Issuance Times of AIRMETs and Aviation Area Forecasts: Effective
April 3, 2005
Mar 15:
TIN05-24ndfd_eff_june_2005_cca.pdf
Corrected:
National Weather Service National Digital Forecast Database (NDFD) Operational Readiness Status Message: Next Implementation Scheduled for
June 15, 2005
Mar 16:
TIN05-25nam_upgrade.pdf
Upgrade of the North American Mesoscale (ETA) System: Effective
May 3, 2005
Mar 29:
TIN05-26afwa_backup_may.pdf
Backup of Aviation Weather Center Products Scheduled from
2000 UTC
on
May 11, 2005
until
0400 UTC
on
May 12, 2005
Mar 29:
TIN05-27lawton_taf.pdf
New Terminal Aerodrome Forecast (TAF) Service for Lawton-Fort Sill Regional Airport (KLAW) in Lawton, OK: Effective
June 15, 2005
Apr 6:
TIN05-28tpc_backup.pdf
Backup Test of Aviation Weather Center (AWC) International Operations Branch Meteorological Watch Office (MWO) Forecasts and Advisories Scheduled from
1300 UTC
on
May 12, 2005
until
1830 UTC
on
May 12, 2005
Apr 13:
TIN05-29asos_transfer.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Phoenix, AZ: Effective
April 13, 2005
Apr 14:
TIN05-30rocky_mount_taf.pdf
Terminal Aerodrome Forecast (TAF) Service for the Rocky Mount/Wilson Regional Airport (KRWI) Near Rocky Mount, NC Extended to 24 Hours: Effective
July 20, 2005
Oct 6:
TIN05-31ncep_wave_model_aaa.pdf
Updated:
Addition of Extended NCEP Wave Model Forecast Output on NOAAPort: Effective
October 17, 2006
Apr 22:
TIN05-32morehead_tafs.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Kinston Regional Jetport (KISO) Near Kinston, NC, the Pitt/Greenville Airport (KPGV) Near Greenville, NC and the Albert J. Ellis Airport (KOAJ) Near Richlands, NC: Effective
October 12, 2005
Apr 27:
TIN05-33gfs_upgrade.pdf
Upgrade of the NCEP Global Forecast System Effective:
May 31, 2005
May 2:
TIN05-34caribou_rrs_test.pdf
Radiosonde Replacement System (RRS) Communications Test for WFO Caribou, ME Scheduled to Start
May 16, 2005
May 4:
TIN05-35delete_fax_products.pdf
Deletion of Several Legacy Fax Products: Effective
August 2, 2005
May 12:
TIN05-36fort_worth_taf.pdf
New Terminal Aerodrome Forecast (TAF) Service for Fort Worth Alliance Airport (KAFW) in Fort Worth, TX: Effective
July 27, 2005
Jun 23:
TIN05-37ndfd_aab.pdf
Updated:
National Digital Forecast Database (NDFD) Improvements for the Contiguous United States, Puerto Rico and the Virgin Islands and Hawaii: Effective
June 15, 2005
at
1400 UTC
May 19:
TIN05-38taf_exp_panama_city.pdf
Extending Terminal Aerodrome Forecast (TAF) Service from Part Time to 24 Hours at Panama City – Bay County International Airport (KPFN) Panama City, FL: Effective
August 3, 2005
May 19:
TIN05-39taf_exp_malcolm.pdf
Extending Terminal Aerodrome Forecast (TAF) Service from Part Time to 24 Hours at Malcolm McKinnon Airport (KSSI) in Saint Simons Island, GA: Effective
August 3, 2005
May 23:
TIN05-40ruc_upgrade.pdf
Upgrade of the Rapid Update Cycle (RUC) Forecast System: Effective
June 28, 2005
Jun 2:
TIN05-41rrs_test_terminate.pdf
Radiosonde Replacement System (RRS) Communications Test Scheduled to Terminate
June 9, 2005
Jun 23:
TIN05-42gfs_mos_addition_cca.pdf
Corrected:
Addition of Extended Range GFS-Based MOS Text Product for the 1200 UTC Model Cycle: Effective
September 13, 2005
Oct 11:
TIN05-43eta_vis_obv_aab.pdf
Amended:
Addition of Visibility and Obstruction to Vision Guidance to Eta MOS Products: Implementation Date Rescheduled to
November 1, 2005
Jun 13:
TIN05-44oxnard_taf.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Oxnard, CA Regional Airport (KOXR): Effective
August 30, 2005
Jun 17:
TIN05-45gfs_mos.pdf
Addition of New Extended-Range GFS-Based MOS BUFR Products: Effective
October 11, 2005
Jun 17:
TIN05-46ice_potntl.pdf
New Current Icing Potential Products: Effective
September 6, 2005
Jun 17:
TIN05-47chanhassen_rrs.pdf
Termination of Operation Assessment Test (OAT) Radiosonde Replacement System (RRS) and Flight of Record at Chanhassen, MN: Effective
August 18, 2005
Jun 17:
TIN05-48lwx_rrs.pdf
Operation Assessment Test (OAT) Radiosonde Replacement System (RRS) and Flight of Record at Sterling, VA: Effective
July 25, 2005
Jun 23:
TIN05-49afwa_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2000 UTC
on
August 24, 2005
until
0400 UTC
on
August 25, 2005
Jun 23:
TIN05-50taf_eliz_city.pdf
Terminal Aerodrome Forecast (TAF) Service for the Elizabeth City Coast Guard Air Station/Regional Airport (KECG) Near Elizabeth City, NC Extended to 24 Hours: Effective
September 14, 2005
Jul 12:
TIN05-51asos_wind_sensor.pdf
Replacement of Automated Surface Observing System Wind Sensor
Jul 13:
TIN05-52redbook_removal.pdf
Removal of NGM-Based MOS Redbook Graphics: Effective
September 20, 2005
Jul 13:
TIN05-53lanai_winds.pdf
Removal of 1,000 and 1,500 Foot Forecasts for the Lanai, HI Airport (LNY) From the Hawaii Low Level 6-, 12- and 24-Hour Upper Winds and Temperatures Aloft Forecast Bulletins: Effective
September 27, 2005
Jul 13:
TIN05-54for_use_times.pdf
Changes in For Use Times on Wind and Temperature Aloft Forecast Bulletins: Effective
September 27, 2005
Jul 15:
TIN05-55ndfd_update.pdf
National Weather Service National Digital Forecast Database (NDFD) Operational Readiness Status Message: Next Implementation Scheduled
September 14, 2005
July 27, 2006:
TIN05-56gfs_mos_aab.pdf
Amended:
Addition of New GFS-Based Gridded MOS Guidance: Effective
August 15, 2006
Jul 29:
TIN05-57lanai_taf.pdf
Expansion of Terminal Aerodrome Forecast (TAF) Service for the Lanai, HI Airport (PHNY) to 24 Hour Coverage: Effective
October 18, 2005
Jul 29:
TIN05-58upper_air.pdf
Termination of Microart Upper Air Legacy System in Preparation for Operation Assessment Test (OAT) Radiosonde Replacement System (RRS) and Flight of Record: Effective
September 9, 2005
Aug 11:
TIN05-59kalispell_chng.pdf
Change of Location Identifier for Glacier Park International Airport in Kalispell, MT from KFCA to KGPI: Effective
October 25, 2005
Sep 13:
TIN05-60ndfd_guam_aaa.pdf
Updated:
National Digital Forecast Database Improvements for Guam: Implementation
Postponed Until September 20, 2005
at
1400 UTC/September 21, 2005
at
Midnight Local Guam Time
Aug 29:
TIN05-61taf_ithaca.pdf
Terminal Aerodrome Forecast (TAF) Service for the Ithaca Tompkins Regional Airport (KITH) Near Ithaca, NY Extended to 24 Hours: Effective
November 30, 2005
Aug 30:
TIN05-62myrtle_beach_aww.pdf
Implementation of Airport Weather Warning (AWW) Service for the Myrtle Beach International Airport (KMYR) Near Myrtle Beach, SC: Effective
November 30, 2005
Sep 2:
TIN05-63awc_backup.pdf
Backup Test of the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products on
October 5, 2005
Sep 14:
TIN05-64comms_xfer.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Lamoni, IA: Effective
September 14, 2005
Sep 20:
TIN05-65dpi_enhancement.pdf
Improved Resolution of GOES Satellite Sounder Derived Product Imagery (DPI): Effective
November 1, 2005
Sep 21:
TIN05-66time_change.pdf
Impact of Change to Standard Time on Issuance Times of Several Aviation Weather Forecasts: Effective
October 30, 2005
Sep 21:
TIN05-67awc_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
December 7, 2005
until
0500 UTC
on
December 8, 2005
Jun 13, 2006:
TIN05-68eta_replacement_aab.pdf
Updated:
Replacement of NCEP-Eta Model with the Non-Hydrostatic Mesoscale Model
Postponed to June 20, 2006
Due to Critical Weather Declaration
Oct 6:
TIN05-69faca_chg.pdf
Time and Aerial Changes to Caribbean Area Forecast: Effective
December 20, 2005
Oct 21:
TIN05-70greenbriar_taf.pdf
Terminal Aerodrome Forecast (TAF) Service for the Greenbrier Valley Airport (KLWB) Near Lewisburg, WV Extended to 24 Hours: Effective
January 18, 2006
Nov 1:
TIN05-71taf_pinedale.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for Ralph Wenz Field, WY (KPNA): Effective
January 25, 2006
Nov 1:
TIN05-72ndfd_update.pdf
NWS National Digital Forecast Database (NDFD) Operational Readiness Status Message: Next Implementation Scheduled
December 8, 2005/December 9, 2005
Local Guam Time
Dec 8:
TIN05-73ndfd_update_aaa.pdf
Updated:
National Digital Forecast Database Implementation of Wind Direction and Wind Speed Postponed Until
December 14, 2005
at
1400 UTC/December 15, 2005
at
Midnight Local Guam Time
Nov 8:
TIN05-74delete_fax.pdf
Deletion of Several Legacy Fax Products: Effective
February 21, 2006
Nov 17:
TIN05-75wafc_backup.pdf
Backup Test of the International Civil Aviation Organization (ICAO) Washington World Area Forecast Center (WAFC) High and Medium Level Significant Weather Products on
January 11, 2006
Mar 13, 2006:
TIN05-76nam_bufr_extn_aab.pdf
Updated:
Extension of NCEP NAM Model BUFR Sounding Output to 84 Hours Postponed until
May 9, 2006
Nov 29:
TIN05-77missoula_tweb.pdf
Change the Location Identifier of Mullan Pass, ID from KS06 to KMLP for Anchor Point Within Transcribed Weather Broadcast (TWEB) Route 338/KBTM-K3DU-KMSO-KS06-KGEG: Effective
February 14, 2006
Dec 8:
TIN05-78comms_transfer.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Guymon, OK: Effective
December 15, 2005
Dec 15:
TIN05-79asos_xfer_shelton.pdf
Automated Surface Observing System (ASOS) Communications Transfer from NWS to Federal Aviation Administration (FAA) for Shelton, WA: Effective
December 15, 2005
Dec 19:
TIN05-80nam_cape.pdf
New Calculation of CAPE in NCEP NAM Model: Effective
February 7, 2006
at
1200 UTC
Dec 20:
TIN05-81nam_time_change.pdf
Change in Product Issuance Time for 06 and 18 UTC North American Mesoscale (NAM) Model: Effective
March 7, 2006
TINs 2004
Mar 31:
TIN04-01eta_fax_del_cca.pdf
Corrected:
Removal of Legacy NCEP Wave, NGM and GFS Model Fax Charts from the NWS ftp Server: Effective
April 6, 2004
at
1200 UTC
Jan 6:
TIN04-02taf_kbpi.pdf
New Terminal Aerodrome Forecast (TAF) Service for the Big Piney-Marbleton Airport (KBPI) Near Big Piney, WY: Effective
January 13, 2004
Jan 6:
TIN04-03tweb_290.pdf
Change of TWEB Route 290 from KRKS-KJAC to KRKS-KPBI-KJAC: Effective
January 13, 2004
Jan 15:
TIN04-04taf_kiln.pdf
New Terminal Aerodrome Forecast (TAF) Service for Airborne Air Park (KILN) Near Wilmington, OH: Effective
April 7, 2004
Mar 3:
TIN04-05backup_test_aaa.pdf
Updated:
Canceled: Quarterly Supercomputer Backup Test Scheduled for the 1200 UTC Model Cycle on
March 4, 2004
Feb 1:
TIN03-48eta_mos_aaa.pdf
Updated:
Change to Issuance Time of Eta MOS Guidance: Effective
February 17, 2004
at
1200 UTC
Feb 1:
TIN03-49eta_mos_aaa.pdf
Updated:
Changes to Eta MOS Guidance Content and Station List: Effective
February 24, 2004
at
1200 UTC
Feb 5:
TIN04-06gfs_fax_del.pdf
Removal of Legacy NCEP GFS Model Fax Charts from the NWS ftp Server: Effective
May 4, 2004
at
1200 UTC
Feb 5:
TIN04-07eta_compression_cca.pdf
Corrected:
Changes to the Product Delivery Schedule for the NCEP Eta Model Forecasts: Effective
1200 UTC
April 20, 2004
Feb 5:
TIN04-08awc_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2000 UTC
on
February 25, 2004
until
0400 UTC
on
February 26, 2004
Mar 4:
TIN04-09gfs_mos_fin.pdf
Changes in Global Forecast System (GFS) Model Output Statistics (MOS) Guidance for Total Sky Cover, Ceiling Height and Visibility: Effective
May 18, 2004
Mar 9:
TIN04-10awc_wafc_backup.pdf
Backup Test of World Area Forecast Center (WAFC) London High Level Significant Weather and Medium Level Significant Weather Products Scheduled from
1200 UTC
on
March 10, 2004
until
1640 UTC
on
March 10, 2004
Mar 12:
TIN04-11gfsmos_sched.pdf
Change to the Product Delivery Schedule for the Extended-Range GFS MOS Guidance Products: Effective
0000 UTC
on
May 26, 2004
Mar 16:
TIN04-12asos_sensor.pdf
Automated Surface Observing System (ASOS) Precipitation Accumulation Sensor Replacement: Beginning
April 2004
Mar 22:
TIN04-13awc_backup_cca.pdf
Corrected:
Backup Test of World Area Forecast Center (WAFC) Washington High Level Significant Weather and Medium Level Significant Weather Products Scheduled from
1200 UTC
until
1640 UTC
on
April 14, 2004
Mar 22:
TIN04-14taf_kguy_cca.pdf
Corrected:
New Terminal Aerodrome Forecast (TAF) Service for Guymon Municipal Airport (KGUY) in Guymon, OK: Effective
June 18, 2004
Mar 22:
TIN04-15taf_kpdk.pdf
New Terminal Aerodrome Forecast (TAF) Service for Dekalb-Peachtree Airport (KPDK) in Chamblee, GA: Effective
June 18, 2004
Apr 14:
TIN04-16taf_ksme_cca.pdf
Corrected:
New Terminal Aerodrome Forecast (TAF) Service for the Somerset-Pulaski County Airport (KSME) Near Somerset, KY: Effective
June 1, 2004
Mar 29:
TIN04-17time_chg.pdf
Impact of Change to Daylight Savings Time on Issuance Times of AIRMETs and Aviation Area Forecasts: Effective
April 4, 2004
Mar 31:
TIN03-51fax_charts.pdf
Removal of Legacy NCEP Wave, NGM and GFS Model Fax Charts from the NWS ftp Server: Effective
April 6, 2004
at 1200 UTC
Mar 31:
TIN04-18ndfd_update.pdf
Update: National Weather Service National Digital Forecast Database (NDFD) Status
Apr 29:
TIN04-19awc_backup.pdf
Backup of Aviation Weather Center (AWC) Products Scheduled from
2000 UTC
on
May 12, 2004
until
0400 UTC
on
May 13, 2004
May 21:
TIN04-20ccfp_tin_update.pdf
Addition of Collaborative Convective Forecast Product ASCII Coded Text Message: Effective
May 26, 2004
May 27:
TIN04-21avn_gfs.pdf
Relabeling of Several NCEP Fax and Redbook Graphics from AVN or MRF to GFS: Effective
August 3, 2004
Jun 1:
TIN04-22taf_trenton.pdf
New Terminal Aerodrome Forecast (TAF) Service for the Trenton Mercer Airport (KTTN) Near Trenton, NJ: Effective
September 1, 2004
Jun 9:
TIN04-23sup_comp_backup.pdf
Quarterly Supercomputer Backup Test on
July 14, 2004
Jun 14:
TIN04-24icingprod.pdf
Modification of Current Icing Potential and Forecast Icing Potential Products: Effective
July 13, 2004
Jun 14:
TIN04-25gtg.pdf
Modification of Graphical Turbulence Guidance Product: Effective
August 25, 2004
Jun 15:
TIN04-26gfs_rename.pdf
Renaming of the NCEP AVN Model Output to GFS on the NCEP and NWS ftp Servers
Jun 16:
TIN04-27asos_transfer_faa.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Long Beach, CA and Lincoln, NE: Effective
June 16, 2004
Jun 29:
TIN04-28rfc_mos_cca.pdf
Corrected:
Change to GFS-Based RFC MOS Products: Effective
September 14, 2004
Aug 2:
TIN04-29stn_id_change_mos_cca.pdf
Corrected:
Change to Station Identifier in GFS-Based MOS Text Products: Effective
September 14, 2004
Jun 17:
TIN04-30xml_web_services.pdf
NWS Offers Experimental XML Web Services: Effective
June 18, 2004
Aug 2:
TIN04-31ngm_bufr_cca.pdf
Corrected:
Change to NGM MOS BUFR Products: Effective
September 7, 2004
Jun 28:
TIN04-32marine_temp.pdf
Addition of Air Temperature and Dewpoint MOS Guidance at Marine Locations Based on the GFS Model: Effective
September 14, 2004
Jul 10:
TIN04-33wind_temp_aloft_cca.pdf
Corrected:
Changes to Wind and Temperature Aloft Forecast Bulletins: Effective
September 14, 2004
Jun 30:
TIN04-34ndfd_update.pdf
Update: National Weather Service National Digital Forecast Database (NDFD) Status
Jul 6:
TIN04-35awc_backup.pdf
Backup Test of World Area Forecast Center (WAFC) London High Level Significant Weather and Medium Level Significant Weather Products: Effective
July 8, 2004
from
0000 UTC
until
0440 UTC
Jul 14:
TIN04-36xfer_tafs_sigmets.pdf
Transfer of TAF and SIGMET Production Between WFO Honolulu, HI and Guam: Effective
September 29, 2004
Jul 14:
TIN04-37drop_johnston_taf.pdf
Discontinue Johnston Island Terminal Aerodrome Forecast (TAF): Effective
September 29, 2004
Jul 23:
TIN04-38wake_island_cca.pdf
Corrected:
Transfer of the Wake Island Terminal Aerodrome Forecast (TAF) Responsibility to Department of Defense from WFO Honolulu, HI: Effective
October 1, 2004
Jul 14:
TIN04-39comms_xfr.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Columbus and Wilmington, OH: Effective
July 14, 2004
Aug 2:
TIN04-40backup_aug4.pdf
Backup of Aviation Weather Center Products Scheduled from
2000 UTC
on
August 18, 2004
until
0400 UTC
on
August 19, 2004
Aug 23:
TIN04-41taf_klck.pdf
New Terminal Aerodrome Forecast (TAF) Service for Rickenbacker International Airport (KLCK) Near Columbus, OH: Effective
November 3, 2004
Aug 24:
TIN04-42taf_garfield.pdf
New Terminal Aerodrome Forecast (TAF) Service for the Garfield County Regional Airport (KRIL) Near Rifle, CO: Effective
October 15, 2004
Aug 30:
TIN04-43hpc_wmo_change.pdf
Revision of WMO Headers on NCEP/HPC Gridded Products: Effective
November 9, 2004
Sep 3:
TIN04-44max_heat_headers.pdf
Modification of WMO Headers for NCEP/CPC Maximum Heat Index Outlooks: Effective
November 16, 2004
Sep 13:
TIN04-45emergency_ver.pdf
Delay of Technical Implementation Notice 04-33, Changes to Wind and Temperature Aloft Forecast Bulletins: Effective
September 14, 2004
Sep 14:
TIN04-46ndfd_hi_gu.pdf
Experimental Digital Data from Hawaii and Guam Now Available in the National Weather Service National Digital Forecast Database (NDFD)
Sep 15:
TIN04-47comms_xfr_33.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Boston, MA and Minneapolis, MN: Effective
September 15, 2004
Sep 16:
TIN04-48wafc_backup.pdf
Backup Test of World Area Forecast Center (WAFC) London High Level Significant Weather and Medium Level Significant Weather Products Scheduled from
0500 UTC
on
October 19, 2004
Until
1000 UTC
on
October 19, 2004
Sep 16:
TIN04-49ndfd_final.pdf
Update: National Weather Service National Digital Forecast Database (NDFD) Status
Sep 16:
TIN04-50afwa_backup_1104.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
November 4, 2004
until
0500 UTC
on
November 5, 2004
Jan 7, 2005:
TIN04-51eta_marine_aaa.pdf
Updated:
Addition of Eta-Based MOS Wind and Temperature Guidance for Marine Locations: Effective
February 8, 2005
Jan 7, 2005:
TIN04-52eta_bufr_aaa.pdf
Updated:
Addition of New Eta-Based MOS BUFR Products: Effective
February 8, 2005
Jan 7, 2005:
TIN04-53gfs_bufr_aaa.pdf
Updated:
Addition of New Short-Range GFS-Based MOS BUFR Products: Effective
February 8, 2005
Jan 10, 2005:
TIN04-54coop_text_aaa.pdf
Updated:
Addition of GFS-Based MOS Maximum and Minimum Temperature Guidance for Cooperative Observer Locations: Effective
February 8, 2005
Oct 15:
TIN04-55jet_depth.pdf
Changes to World Area Forecast Center (WAFC) Washington High Level Significant Weather and Medium Level Significant Weather Products: Effective
November 25, 2004
Oct 22:
TIN04-56wafc_backup_resch.pdf
Delay of Technical Implementation Notice 04-48: Backup Test of World Area Forecast Center (WAFC) London High Level Significant Weather and Medium Level Significant Weather Products from
October 19, 2004
to
November 17, 2004
Oct 25:
TIN04-57snow_depth_cid.pdf
Communication Identifiers Added to the Existing Inventory of Supplementary Climatological Data (SCD) Product Identifiers: Effective
November 8, 2004
Dec 17:
TIN04-58avn_eta_rename_aaa.pdf
Updated:
Renaming NCEP AVN and Eta Model Output Data on the NCEP and NWS ftp Servers
Nov 23:
TIN04-59traj_removal.pdf
Removal of NGM-Based Trajectory Model Products: Effective
January 11, 2005
Nov 29:
TIN04-60taf_bloomington.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Central Illinois Regional Airport at Bloomington - Normal (KBMI) Near Bloomington, IL: Effective
February 15, 2004
Nov 30:
TIN04-61ndfd_reminder.pdf
Reminder: Three National Digital Forecast Database (NDFD) Elements for the Contiguous U.S. Become Official on
December 1, 2004
at
1400 UTC
Dec 3:
TIN04-62asos_munising_cca.pdf
Corrected:
Commissioning of Automated Surface Observing System (ASOS) at Munising, MI: Effective
December 1, 2004
Dec 7:
TIN04-63taf_monroe_cca.pdf
Corrected:
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Monroe County Airport, IN (KBMG): Effective
March 15, 2005
Dec 7:
TIN04-64taf_cub_dnl_ogb.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Columbia Owens Downtown Airport (KCUB) Near Columbia, SC; the Daniel Field Airport (KDNL) Near Augusta, GA and the Orangeburg Municipal Airport (KOGB) near Orangeburg, SC: Effective
March 2, 2005
Dec 15:
TIN04-65ndfd_update.pdf
Update: National Weather Service National Digital Forecast Database (NDFD) Status
Dec 21:
TIN04-66taf_mobridge.pdf
Implementation of Terminal Aerodrome Forecast (TAF) Service for the Mobridge, SD Municipal Airport (KMBG): Effective
April 19, 2005
Dec 27:
TIN04-67awc_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
February 9, 2005
until
0500 UTC
on
February 10, 2005
TINs 2003
Jan 13:
TIN03-01taf_rhi_cca.pdf
Corrected:
New Terminal Aerodrome Forecast (TAF) Service for Rhinelander-Oneida County Airport (KRHI) near Rhinelander, WI: Effective
January 23, 2003
Jan 14:
TIN03-02asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Philadelphia, PA: Effective
January 15, 2003
Jan 30:
TIN03-03ncwf.pdf
Change in the National Convective Weather Forecast Product: Effective
February 27, 2003
Apr 2:
TIN03-04mos_guidance.pdf
Removal of Obsolete Extended Range MOS Guidance Based on the NCEP Global Forecast System: Effective
April 9, 2003
Feb 11:
TIN03-05kcho_taf.pdf
Terminal Aerodrome Forecast (TAF) Service for Charlottesville-Albemarle Airport (KCHO) near Charlottesville, VA Extended to 24 Hours: Effective
April 7, 2003
Feb 12:
TIN03-06turb_cca.pdf
Corrected:
Addition of the Graphical Turbulence Guidance Product: Effective
March 19, 2003
Feb 24:
TIN03-07gfs.pdf
Renaming and Consolidation of the NCEP MRF and AVN Models to the GFS on the NCEP Model Webpages: Effective
April 15, 2003
Feb 28:
TIN03-08kjkl_taf.pdf
New Terminal Aerodrome Forecast (TAF) Service for Julian Carroll Airport (KJKL) in Jackson, KY: Effective
April 7, 2003
Mar 6:
TIN03-09awc_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2100 UTC
on
March 12, 2003
Until
0500 UTC
on
March 13, 2003
Mar 10:
TIN03-10awc_sigwx_backup.pdf
Backup of Aviation Weather Center High Altitude Significant Weather Facsimile Forecast Charts: Valid
March 13, 2003
at 0600 UTC
May 1:
TIN03-11ncep_ccs_aaa.pdf
Updated:
Transfer of NCEP Forecast Model Production to the New NCEP Central Computer System: Effective 1200 UTC on
May 12, 2003
Mar 17:
TIN03-12kmth_taf.pdf
New Terminal Aerodrome Forecast (TAF) Service for the Florida Keys Marathon Airport (KMTH) in Marathon, FL: Effective
April 15, 2003
Mar 17:
TIN03-13kwwr_taf.pdf
New Terminal Aerodrome Forecast (TAF) Service for West Woodward Airport (KWWR) in Woodward, OK: Effective
April 15, 2003
Mar 18:
TIN03-14khbg_taf.pdf
New Terminal Aerodrome Forecast (TAF) Service for Bobby l. Chain Municipal Airport (KHBG) in Hattiesburg, MS: Effective
April 15, 2003
Mar 19:
TIN03-15asos_wind.pdf
Automated Surface Observing System (ASOS) Wind Sensor Replacement
Mar 26:
TIN03-16ncep_bck_cca.pdf
Corrected:
Quarterly Supercomputer Backup Test Planned During for the 1300 and 1400 UTC RUC Model Cycles on
April 2, 2003
Apr 2:
TIN03-17daylight.pdf
Impact of Change to Daylight Savings Time on Issuance Times of AIRMETs and Aviation Area Forecasts: Effective
April 6, 2003
Apr 18:
TIN03-18asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Miami, FL: Effective
April 16, 2003
Apr 29:
TIN03-19taf_kpqi.pdf
New Terminal Aerodrome Forecast (TAF) Service for Northern Maine Regional Airport (KPQI) near Presque Isle, ME: Effective
July 2, 2003
Apr 29:
TIN03-20taf_kgon.pdf
New Terminal Aerodrome Forecast (TAF) Service for Groton/New London Airport (KGON) near Groton, CT: Effective
July 9, 2003
May 5:
TIN03-21gfs_mos_wind.pdf
Addition of Model Output Statistics Guidance for Wind Speed and Direction at Marine Locations Based on the GFS Model: Effective
May 6, 2003
May 15:
TIN03-22asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Houston, TX and St. Louis, MO: Effective
May 14, 2003
May 21:
TIN03-23asos_precip_sensor.pdf
Automated Surface Observing System (ASOS) Precipitation Accumulation Sensor Replacement
May 21:
TIN03-24taf_kbtl.pdf
New Terminal Aerodrome Forecast (TAF) Service for W.K. Kellogg Airport (KBTL) in Battle Creek, MI: Effective
August 6, 2003
May 21:
TIN03-25taf_ktmb.pdf
New Terminal Aerodrome Forecast (TAF) Service for Kendall-Tamiami Executive Airport (KTMB) in Miami, FL: Effective
July 1, 2003
May 28:
TIN03-26taf_kfod.pdf
New Terminal Aerodrome Forecast (TAF) Service for Fort Dodge Regional Airport (KFOD) in Fort Dodge, IA: Effective
August 12, 2003
Jun 6:
TIN03-27ndfd.pdf
Updated:
National Weather Service Experimental National Digital Forecast Database (NDFD) Element Release
Jun 12:
TIN03-28ncep_backup.pdf
Quarterly Supercomputer Backup Test Planned during the
1200 UTC Model Cycle
on
July 9, 2003
Jun 19:
TIN03-29asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration: Effective
June 18, 2003
Jun 25:
TIN03-30ktoi_taf.pdf
New Terminal Aerodrome Forecast (TAF) Service for Troy Municipal Airport (KTOI) in Troy, AL: Effective
August 19, 2003
Jun 25:
TIN03-31kryy_taf.pdf
New Terminal Aerodrome Forecast (TAF) Service for Cobb County Airport - McCollum Field (KRYY) in Kennesaw, GA: Effective
September 16, 2003
Jul 16:
TIN03-32asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Newark, NJ and West Palm Beach, FL: Effective
July 16, 2003
Sep 15:
TIN03-33ncep_backup.pdf
Quarterly Supercomputer Backup Test Planned for
October 2, 2003
Sep 15:
TIN03-34awc_backup_cca.pdf
Corrected:
Backup of Aviation Weather Center Products Scheduled from
2000 UTC
on
September 24, 2003
until
0400 UTC
on
September 25, 2003
Sep 15:
TIN03-35n_atlantic_chart.pdf
New Medium Level Significant Weather Forecast Service for the North Atlantic Ocean: Effective
September 15, 2003
Sep 15:
TIN03-36taf_xfer_ktph.pdf
Terminal Aerodrome Forecast Transfer in Central Nevada: Effective
October 20, 2003
Sep 15:
TIN03-37taf_keet.pdf
New Terminal Aerodrome Forecast (TAF) Service for Shelby County Airport (KEET) in Calera, AL: Effective
November 4, 2003
Sep 24:
TIN03-38taf_klbx.pdf
New Terminal Aerodrome Forecast (TAF) Service for Angleton/Lake Jackson - Brazoria County Airport (KLBX) in Angleton, TX: Effective
November 25, 2003
Sep 24:
TIN03-39taf_konp.pdf
New Terminal Aerodrome Forecast (TAF) Service for Newport Municipal Airport (KONP) in Newport, OR: Effective
November 25, 2003
Sep 24:
TIN03-40asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Reagan National Airport in Washington, DC: Effective
September 24, 2003
Sep 24:
TIN03-41radiosonde.pdf
Radiosonde Type Change at Three National Weather Service Upper Air Stations: Effective
October 1, 2003
at
0000 UTC
Oct 1:
TIN03-42ndfd_cca.pdf
Corrected Update:
National Weather Service Experimental National Digital Forecast Database (NDFD) Comment Period Extended through
March 31, 2004
Oct 17:
TIN03-43gfs_mos.pdf
Enhancements to Global Forecast System (GFS) Model Output Statistics (MOS) Guidance Including Addition of Snowfall Amount Guidance: Effective
December 16, 2003
Nov 24:
TIN03-44gfs_mos_new_sites_cca.pdf
Corrected:
Addition/Deletion/Update of Stations in Global Forecast System (GFS) Model Output Statistics (MOS) Guidance: Effective
December 16, 2003
Oct 23:
TIN03-45standard_time.pdf
Impact of Change to Standard Time on Issuance Times of AIRMETs and Aviation Area Forecasts: Effective
October 26, 2003
Nov 6:
TIN03-46awc_backup.pdf
Backup of Aviation Weather Center Products Scheduled from
2000 UTC
on
November 19, 2003
until
0400 UTC
on
November 20, 2003
Nov 7:
TIN03-47taf_kmhr.pdf
New Terminal Aerodrome Forecast (TAF) Service for Sacramento Mather Airport (KMHR) in Sacramento, CA: Effective
February 1, 2004
Feb 1, 2004:
TIN03-48eta_mos_aaa.pdf
Updated:
Change to Issuance Time of Eta MOS Guidance: Effective
February 17, 2004
at
1200 UTC
Feb 1, 2004:
TIN03-49eta_mos_aaa.pdf
Updated:
Changes to Eta MOS Guidance Content and Station List: Effective
February 24, 2004
at
1200 UTC
Dec 15:
TIN03-50fip_awc.pdf
Forecast Icing Potential Product to be Converted from Experimental to Operational: Effective
January 13, 2004
Mar 31, 2004:
TIN03-51fax_charts.pdf
Removal of Legacy NCEP Wave, NGM and GFS Model Fax Charts from the NWS ftp Server: Effective
April 6, 2004
at
1200 UTC
TINs 2002
Jan 7:
TIN02-01awc_power_outage.pdf
Planned Power Outage at the Aviation Weather Center Scheduled from
1100 UTC
on
January 9, 2002
until
1300 UTC
on
January 9, 2002
Feb 8:
TIN02-02taf_ttd.pdf
Change in Terminal Aerodrome Forecast (TAF) Service at Troutdale, OR (KTTD): Effective
February 26, 2002
Feb 12:
TIN02-03ccfp.pdf
Collaborative Convective Forecast Product (CCFP) Starts Again on
March 1, 2002
Mar 8:
TIN02-04icing_pot_prod.pdf
Addition of the Current Icing Potential Product: Effective
March 27, 2002
Mar 21:
TIN02-05awc_backup_mar.pdf
Quarterly Aviation Backup Test Planned: Scheduled from
2100 UTC
on
March 27, 2002
until
0500 UTC
on
March 28, 2002
Mar 22:
TIN02-06global_cca.pdf
Corrected:
Discontinuation of the NCEP Operational Medium Range Forecast (MRF) Model System: Effective
April 23, 2002
at
1200 UTC
Mar 22:
TIN02-07daylight.pdf
Impact of Change to Daylight Savings Time on Issuance Times of AIRMETs and Aviation Area Forecasts: Effective
April 7, 2002
Mar 28:
TIN02-08vaa.pdf
New Format for Volcanic Ash Advisory (VAA) Issued by Format for Washington, DC and Anchorage, AK Volcanic Ash Advisory Centers: Effective
May 1, 2002
May 29:
TIN02-09tweb_367.pdf
Change in Transcribed Weather Broadcast (TWEB) Route 367: Service Between Portland, OR (KPDX) and Pendleton, OR (KPDT): Effective
June 12, 2002
Jun 27:
TIN02-10tlh_ua_move.pdf
Upper Air Observations Moving from Airport at Tallahassee, FL to the Florida State Campus: Effective
July 1, 2002
at
0000 UTC
Jul 9:
TIN02-11awc_backup.pdf
Quarterly Aviation Backup Test Planned from
2000 UTC
on
July 10, 2002
until
0400 UTC
on
July 11, 2002
Aug 8:
TIN02-12gfs_aaa.pdf
Amended:
Changes to the Horizontal and Vertical Resolutions of the NCEP Global Forecast System
Have Been Postponed
Jul 30:
TIN02-13ncep_backup.pdf
Quarterly Supercomputer Backup Test Planned During the
1200 UTC Model Cycle
on
July 25, 2002
Jul 30:
TIN02-14asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Atlanta, GA, Binghamton, NY and Springfield, NY: Effective
July 31, 2002
Aug 8:
TIN02-15asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Oklahoma City, OK: Effective
August 14, 2002
Aug 13:
TIN02-16asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for 33 Locations: Effective
August 12, 2002
Aug 22:
TIN02-17gfs.pdf
Rescheduled Changes to the Horizontal and Vertical Resolutions of the NCEP Global Forecast System: Now Effective
October 29, 2002
at
1200 UTC
Oct 23:
TIN02-18ncep_backup_aab.pdf
Amended:
Rescheduled: Quarterly Supercomputer Backup Test Now Planned During the
1200 UTC Model Cycle
on
October 24, 2002
Sep 19:
TIN02-19asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for North Platte, NE and Pocatello, ID: Effective
September 18, 2002
Sep 19:
TIN02-20asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Cheyenne, WY: Effective
September 24, 2002
Sep 25:
TIN02-21gfs_frz.pdf
New Method for Finding the Lowest Tropospheric Freezing Level in the NCEP Global Forecast System: Effective
October 29, 2002
Oct 3:
TIN02-22asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Nine Locations: Effective
October 2, 2002
and
October 3, 2002
Oct 4:
TIN02-23avn_qtr_backup.pdf
Quarterly Aviation Backup Test Planned from
2000 UTC
on
October 16, 2002
until
0400 UTC
on
October 17, 2002
Oct 7:
TIN02-24mesa_taf.pdf
New Terminal Aerodrome Forecast (TAF) Service for Williams Gateway Airport (KIWA) in Mesa, AZ: Effective
November 4, 2002
Oct 7:
TIN02-25craig_taf.pdf
New Terminal Aerodrome Forecast (TAF) Service for Craig Municipal Airport (KCRG) in Jacksonville, FL: Effective
October 31, 2002
Oct 9:
TIN02-26avn_daylight.pdf
Impact of Change to Standard Time on Issuance Times of AIRMETs and Aviation Area Forecasts: Effective
October 27, 2002
Oct 10:
TIN02-27asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Four Locations: Effective
October 9, 2002 and October 10, 2002
Oct 17:
TIN02-28asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Five Locations: Effective
October 16, 2002 and October 17, 2002
Oct 23:
TIN02-29asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Boise, ID: Effective
October 23, 2002
Oct 25:
TIN02-30wind_sensor.pdf
Automated Surface Observing System (ASOS) Wind Sensor Replacement
Oct 28:
TIN02-31ndfd.pdf
National Weather Service Experimental National Digital Forecast Database (NDFD): Effective
December 2, 2002
Oct 30:
TIN02-32asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for San Angelo, TX and Wilmington, NC: Effective
October 30, 2002
Nov 6:
TIN02-33asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Cheyenne, WY and Midland, TX: Effective
November 6, 2002
Nov 13:
TIN02-34asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Brownsville, TX and Lake Charles, LA: Effective
November 13, 2002
Nov 27:
TIN02-35asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Great Falls, MT: Effective
November 20, 2002
Dec 11:
TIN02-36asos_xfer.pdf
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Kansas City, MO and Philadelphia, PA (Northeast): Effective
December 10, 2002
TINs 2001
Nov 26:
TIN01-32awc.pdf:
Backup of Aviation Weather Center Products Scheduled from
1300 UTC
on
November 28, 2001
until
2100 UTC
on
November 28, 2001
Nov 26:
TIN01-31mesoeta.pdf:
Changes Implemented in the National Centers for Environmental Prediction (NCEP) Operational Meso-Eta Model System: Effective
November 26, 2001
at
1200 UTC
Nov 20:
TIN
01-30.pdf:
New Weather Elements to be Added to the Aviation MOS Guidance Package: Effective
November 27, 2001
Oct 31:
TIN01-29.pdf:
Update: ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Evansville, IN, Fort Smith, AR and Meridian, MS: Effective
October 31, 2001
Oct 19:
TIN
01-28.pdf:
Impact of Change to Standard Time on Issuance Times of AIRMETs and Aviation Area Forecasts: Effective
October 28, 2001
Oct 11:
TIN01-27.pdf:
Implementation of Operational Seasonal Climate Forecast Model: Effective
November 6, 2001
Oct 4:
TIN01-26.pdf:
Addition of One Terminal Aerodrome Forecast (TAF) for Sawyer County Airport at Hayward, WI (KHYR): Effective
December 15, 2001
Sep 26:
TIN
01-25.pdf:
Update: ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Five Locations: Effective
September 30, 2001
Sep 12:
TIN
01-24.pdf:
New Terminal Aerodrome Forecast (TAF) Service for the Airport in Nuiqsut, AK (PAQT): Effective
October 1, 2001
Sep 26:
TIN01-23_aab.pdf
Amended:
Implementation of the National Convective Weather Forecast Products: Effective
September 27, 2001
Aug 16:
TIN
01-22.pdf:
Update: ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Seven Locations: Effective
August 16, 2001 through August 30, 2001
Jul 26:
TIN
01-21.pdf:
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for Twelve Locations: Effective
July 27, 2001 through August 2, 2001
Jul 24:
TIN01-20.pdf:
Changes Implemented in the Aviation Model (AVN) Model Output Statistics (MOS) Guidance: Effective
July 24, 2001
at
1200 UTC
Jul 24:
TIN01-19.pdf:
Changes Implemented in the National Centers for Environmental Prediction (NCEP) Operational Meso-Eta Model System: Effective
July 24, 2001
at
1200 UTC
Jun 29:
TIN01-18_cca.pdf
Corrected:
Extending the Window of Time that TWEB Products are Issued: Effective
July 17, 2001
Jun 29:
TIN01-17.pdf:
Non-Unique WMO Headings
Jul 2:
TIN01-16_ccb.pdf
Corrected:
Addition of Two Terminal Aerodrome Forecast (TAF) Products for Two Airfields in Northeast Montana: Clayton Airport (KOLF) at Wolf Point, MT and Dawson County Airport (KMCK) at Glendive, MT: Effective
July 18, 2001
Jun 29:
TIN01-15_cca.pdf
Corrected:
Addition of Airport Weather Warning (AWW) Product for Phoenix Sky Harbor International Airport, AZ (KPHX): Effective
July 2, 2001
Jun 22:
TIN
01-14.pdf:
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for 29 Locations: Effective
July 27, 2001 through September 27, 2001
Jun 12:
TIN
01-13.pdf:
ASOS Communications Transfer from National Weather Service to Federal Aviation Administration for 29 Locations: Effective
July 17, 2001 through September 21, 2001
Jun 5:
TIN
01-12.pdf:
Change in Terminal Aerodrome Forecast (TAF) Service at Bryce Canyon, UT (KBCE): Effective
June 14, 2001
May 7:
TIN01-11_ccb.pdf
Corrected:
New Terminal Aerodrome Forecast (TAF) Service for R.L. Jones Riverside Airport (KRVS) in Jenks, OK: Effective
May 15, 2001
Apr 20:
TIN01-10.pdf:
New Terminal Aerodrome Forecast (TAF) Service for Naples, FL (KAPF): Effective
April 18, 2001
TIN01-09 NOT AVAILABLE:
Impact of Change to Daylight Savings Time on Issuance Times of AIRMETs and Aviation Area Forecasts: Effective
April 1, 2001
Mar 27:
TIN
01-08.pdf:
Addition of Three New Terminal Aerodrome Forecast (TAF) Products in Western Nebraska: Effective
May 1, 2001
Feb 1:
TIN
01-07.pdf:
Change in Terminal Aerodrome Forecast (TAF) Service at Ukiah Municipal Airport (KUKI) in CA: Effective
February 8, 2001
Jan 29:
TIN01-06.pdf:
New Terminal Aerodrome Forecast (TAF) Service for Sanford/Orlando Municipal Airport (KSFB) in FL: Effective
February 15, 2001
TIN01-05 NOT AVAILABLE:
Implementation of New Sea Surface Temperature Scheme in the National Centers for Environmental Prediction (NCEP) Operational Meso-Eta Model System: Effective
January 30, 2001
at
1200 UTC
TIN01-04 NOT AVAILABLE:
Change in Terminal Aerodrome Forecast (TAF) Service at Needles, CA (KEED): Effective
February 8, 2001
Jan 23:
TIN01-03.pdf:
New Terminal Aerodrome Forecast (TAF) Service for Five Airports in Idaho, Utah and Arizona: Effective
March 15, 2001
TIN01-02 NOT AVAILABLE:
Change in Terminal Aerodrome Forecast (TAF) Service at University Park, PA (KUNV): Effective
January 19, 2001
TIN01-01 NOT AVAILABLE:
Change in Terminal Aerodrome Forecast (TAF) Service at Pasco, WA (KPSC): Effective
January 17, 2001
TINs 2000
​
TIN00-25 NOT AVAILABLE:
Change in Terminal Aerodrome Forecast (TAF) Service at South Lake Tahoe, CA (KTVL)
TIN00-24 NOT AVAILABLE:
Impact of Change to Standard Time on Issuance Times of AIRMETs and Aviation Area Forecasts: Effective
October 29, 2000
TIN00-23 NOT AVAILABLE:
Change in Terminal Aerodrome Forecast (TAF) Service at North Las Vegas Airport (KVGT): Effective
October 11, 2000
TIN00-22 NOT AVAILABLE:
Change in Terminal Aerodrome Forecast (TAF) Service at Crescent City, CA (KCEC): Effective
October 18, 2000
TIN00-21 NOT AVAILABLE:
Changes to the NCEP Operational Meso-Eta Model System: Effective
September 26, 2000
TIN00-20 NOT AVAILABLE:
Implementation of Two New Terminal Aerodrome Forecasts (TAFs) for the Gary/Chicago Airport and Hays Regional Airport in KS: Effective
October 1, 2000
TIN00-19 NOT AVAILABLE:
Change in Terminal Aerodrome Forecast (TAF) Service at Chadron Municipal Airport (
August 28, 2000
) and Rawlins Municipal Airport (
September 28, 2000
TIN00-18 NOT AVAILABLE:
New Terminal Aerodrome Forecast (TAF) Service for the Following Airport: West Tinian Island Airport, Northern Mariana Islands: Effective
Monday, October 2, 2000
TIN00-17 NOT AVAILABLE:
New Terminal Aerodrome Forecast (TAF) Service for the Following Airports: Page, AZ (KPGA) and Carlsbad, CA (KCRQ): Effective
Wednesday, September 27, 2000
Aug 3:
TIN00-16.pdf:
Access to Weather Surveillance Radar-88 Doppler (WSR-88D) Systems to Obtain Radar Base Data
Jul 28:
TIN00-15.pdf:
Change in Station Identifier Used in Aviation Messages: Apalachicola, FL Station Identifier Changed from AQQ to AAF: Effective
Monday, August 14, 2000
Jul 27:
TIN00-14.pdf:
Elimination of a Number of Significant Weather Forecast Graphics Charts on
September 1, 2000
at
0000 UTC
Jul 26:
TIN00-13.pdf:
Expansion of Terminal Aerodrome Forecast (TAF) Service at Snohomish County Airport in Everett, WA and Grant County Airport in Moses Lake, WA: Effective
Wednesday, September 27, 2000
at
0000 UTC
May 5:
TIN00-12.pdf:
Changes in the National Centers for Environmental Prediction Operational Wave Model Suite: Effective
May 10, 2000
Mar 31:
TIN00-11.pdf:
Expanded Day 1 and Day 2 Quantitative Precipitation Forecast (QPF) Products as of
March 20, 2000
Mar 29:
TIN00-10.pdf:
Elimination of Obsolete Significant Weather Text Products: Effective
Wednesday, May 17, 2000
at
1200 UTC
Mar 29:
TIN00-09.pdf:
Change in Communication Headers for Several International In-Flight Advisories Prepared by the Aviation Weather Center: Effective
Monday, April 17, 2000
at
1200 UTC
Mar 29:
TIN00-08.pdf:
Impact of Change to Daylight Savings Time on Issuance Times of AIRMETs and Aviation Area Forecasts: Effective
April 2, 2000
Mar 28:
TIN00-07.pdf:
Changes to the NCEP Eta Analysis/Forecast System: Effective
March 29, 2000
Mar 17:
TIN00-06.pdf:
Changes to the NCEP Nested Grid Model: Effective
March 15, 2000
Feb 28:
TIN00-05.pdf:
New Expanded and Enhanced Day 2 and 3 Quantitative Precipitation Forecast (QPF) Products: Effective
March 20, 2000
Jan 27:
TIN00-04.pdf:
Changes to the NCEP Global Analysis/Forecast System: Effective
January 24, 2000
Jan 7:
TIN00-03.pdf:
Increase in Terminal Aerodrome Forecast (TAF) Service at Caribou, ME (KCAR): Effective
January 8, 2000
Jan 7:
TIN00-02.pdf:
Transfer of Aviation Forecast and Warning Responsibility from the Tropical Prediction Center (TPC) to the Aviation Weather Center (AWC): Effective
March 6, 2000
Nov 1, 1999:
TIN00-01.pdf:
Standardization of Latitude and Longitude References in Aviation Text Products Issued by U.S. Meteorological Watch Offices and Volcanic Ash Advisory Centers: Effective
January 3, 2000
at
0000 UTC
TINs 1999
Nov 8:
TIN99-20.pdf:
Implementation of NAVTEX Product: Effective
November 30, 1999
Nov 4:
TIN99-19.pdf:
Discontinuance of Air Stagnation Discussion from HPC: Effective
December 6, 1999
Oct 27:
TIN99-18.pdf:
Impact of Change to Standard Time on Issuance Times of AIRMETs and Aviation Area Forecasts: Effective
October 31, 1999
Oct 21:
TIN99-17.pdf:
Enhanced HPC QPF Products: Effective
December 6, 1999
Oct 22:
TIN
99-16_aaa.pdf
Amended:
Model Assessment Discussion from NCEP/HPC: Effective
December 5, 1999
Sep 14:
TIN
99-15.pdf:
Proposed Changes to HPC Heavy Snow Guidance Products: Effective 1200 UTC
November 1, 1999
Aug 31:
TIN
99-14_cca.pdf
Corrected:
Threats Assessment Product and Drought Monitor Product Operationally Available
August 31, 1999
and
September 2, 1999
Respectively, on NWWS, FOS, NOAAPort and AWIPS
Aug 12:
TIN
99-13.pdf:
Transfer of Aviation Forecast Responsibility in Maine: Change in Issuing Office for Three Terminal Aerodrome Forecasts and Two Transcribed Weather Broadcast Text Products: Effective
September 1, 1999
Aug 4:
TIN
99-12.pdf:
Restoration of Transcribed Weather Broadcast Routes in Utah: Effective
September 1, 1999
Jul 30:
TIN
99-11.pdf:
Changes to the National Centers for Environmental Prediction (NCEP) Rapid Update Cycle Analysis/Forecast System Last Monday,
July 26, 1999
Jul 7:
TIN
99-10.pdf:
Summary of Changes Related to the Opening of the New Kalaeloa, HI Airport at
2200 UTC July 2, 1999
May 14:
TIN
99-09.pdf:
Changes to the National Centers for Environmental Prediction (NCEP) Rapid Update Cycle Analysis/Forecast System
May 13:
TIN
99-08.pdf:
Changes to the NCEP Operational Eta Model System: Effective
May 13, 1999
Apr 2:
TIN
99-07.pdf:
Change in Issuance Time for AIRMETs and Area Forecasts Issued by the Aviation Weather Center: Effective
April 4, 1999
Mar 25:
TIN
99-06.pdf:
Change in Terminal Aerodrome Forecast (TAF) Service at Santa Rosa (KSTS) and Monterey, CA (KMRY):  Effective
April 1, 1999
Mar 8:
TIN
99-05.pdf:
Changes to the National Centers for Environmental Prediction (NCEP) Global Analysis/Forecast System: Effective
March 8, 1999
Mar 2:
TIN
99-04.pdf:
Aviation Weather Center Phased Move of Operational Units to a New Facility: To Begin on
March 15, 1999
and be Completed on
March 23, 1999
Feb 16:
TIN
99-03.pdf:
One Additional Error for a Reference Point Contained in OML 9-98 has been Found, in Addition to the Eight Errors Reported in Technical Implementation Notice 99-01 (for
March 1, 1999
Feb 3:
TIN
99-02.pdf:
Y2K Upgrade and Product Delivery for the C90 Computer Operating System at the National Centers for Environmental Prediction (NCEP): Effective
February 9, 1999
Jan 25:
TIN
99-01.pdf:
Operations Manual Letter 9-98: Revised In-Flight Advisory Plotting Chart: Effective
March 1, 1999
Older TINs
Oct 15, 1997:
TIN97-27.pdf:
Redeployment of Two Weather Data Buoys Off the Texas Coast Near the End of
October 1997
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
NWS Service Change Notices
1325 East-West Hwy, 18th floor
Communications Office
Silver Spring, MD 20910
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