30-kt wind radius < 500 km
Large
500 km ≤ 30-kt wind radius < 800 km
Very large
800 km ≤ 30-kt wind radius
Intensity/Category
Tropical Depression
maximum wind speed < 34 kt
Tropical Storm
34 kt ≤ maximum wind speed < 48 kt
Severe Tropical Storm
48 kt ≤ maximum wind speed < 64 kt
Typhoon
64 kt ≤ maximum wind speed < 85 kt
Very strong Typhoon
85 kt ≤ maximum wind speed < 105 kt
Violent Typhoon
105 kt ≤ maximum wind speed
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