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Storms That Hit

NHC AL041931 · Atlantic basin

Unnamed Tropical Storm of 1931

August 16, 1931 – August 21, 1931

Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated

Tropical Storm Unnamed 1931 storm peaked at Tropical storm with 40 mph sustained winds and passed within 75 miles of 51 US cities, 0 of them while still at hurricane strength.

The 1931 storm in the record

HURDAT2 tracks the unnamed storm of 1931 (AL041931) from August 16, 1931 to August 21, 1931; its peak was 40 mph (tropical storm). Its centre passed within 75 miles of 51 US cities, all in Puerto Rico. The strongest pass was 40 mph (tropical storm) 35 miles from Fajardo, PR.

Peak strength
Tropical storm

40 mph

Cities within 75 mi
51
At hurricane strength
0

when closest

States
1
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Cities Unnamed 1931 storm passed near, strongest first

Puerto Rico (51)

Other storms of the 1931 season

All hurricanes and tropical storms →

About this record

The track is the National Hurricane Center's best-track record, revised after the season with every observation available. Strength at a city is the sustained wind on the track at the closest point, not the wind that city measured.