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Home > Weather and Earthquakes > Tropical Cyclone Information

50-kt Wind Probability (by Prefecture)

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50-kt Wind Probability for
Prefecture
50-kt wind probability indicates the chance of tropical cyclone-related sustained winds with speeds exceeding 50 knots during the specified forecast period in any of prefectural sub-divisions.
50-kt wind probability data are issued for sub-divisions where the probability is expected to exceed 0.5 percent within 120 hours. Click a prefecture on the map to see three-hourly probability data up to 120 hours ahead and cumulative probability data for next 24, 48, 72, 96 and 120 hours.

Abbreviations:
TY: Typhoon
STS: Severe Tropical Storm
TS: Tropical Storm