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Unnamed tropical storm of 1947 (AL011947)

Unnamed tropical storm of 1947 (AL011947) was a tropical storm at its peak, with 52 mph winds, per NOAA's National Hurricane Center. Modeled winds reached tropical-storm force (39 mph) at one of the cities we track; the strongest was Brownsville, TX, with a modeled peak gust of 49 mph.

Peak strength52 mph winds (1-minute)
Tropical storm
Cities with tropical-storm-force windsModeled, of the cities we track
1
LandfallsFirst August 2, 1947
1
Lowest pressure
Not recorded

Track, wind field and cities

Select a piece of the track or a city for details.

  • Depression or weaker
  • Tropical storm
  • Hurricane, Category 1 or 2
  • Major hurricane, Category 3 to 5
  • Landfall
  • City (larger ring, stronger modeled gust)
  • Modeled wind field, 39 to 111 mph sustained (darker, stronger; orange 111 mph+)
Source: NOAA/NWS National Hurricane Center best track (HURDAT2). City winds and the wind field are modeled.

The shaded areas are where our model puts Unnamed tropical storm of 1947 (AL011947)’s sustained winds over open land at 39 mph or more (tropical-storm force), 58, 74 (hurricane force) and 111 mph (major hurricane force) at some point along its track. Modeled, not measured. How we model hurricane winds

Landfalls

  1. August 2, 1947, tropical storm at 52 mph, in Mexico

Modeled winds at cities (1)

Estimated peak winds for open, flat ground at each city’s center. Not measurements. How we model hurricane winds

CityPeak gustSustainedClosest passPeak
Brownsville, TX49 mph40 mph18 milesAug 1, 1947, 7:15 PM GMT-5

Best track (10 positions)

TimeStatusWindPressurePosition
Jul 31, 06:00 UTCTropical depression35 mph19.5°N, 93.6°W
Jul 31, 12:00 UTCTropical storm40 mph20.2°N, 93.8°W
Jul 31, 18:00 UTCTropical storm40 mph21.0°N, 94.0°W
Aug 1, 00:00 UTCTropical storm40 mph22.0°N, 94.3°W
Aug 1, 06:00 UTCTropical storm40 mph23.0°N, 94.7°W
Aug 1, 12:00 UTCTropical storm40 mph24.1°N, 95.4°W
Aug 1, 18:00 UTCTropical storm46 mph24.9°N, 96.3°W
Aug 2, 00:00 UTC (landfall)Tropical storm52 mph25.6°N, 97.3°W
Aug 2, 06:00 UTCTropical storm46 mph26.0°N, 98.1°W
Aug 2, 12:00 UTCTropical depression35 mph26.1°N, 98.5°W