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Unnamed tropical storm of 1947 (AL061947)

Unnamed tropical storm of 1947 (AL061947) was a tropical storm at its peak, with 63 mph winds and a lowest pressure of 987 mb, per NOAA's National Hurricane Center. Modeled winds reached tropical-storm force (39 mph) at 5 of the cities we track; the strongest was Tampa, FL, with a modeled peak gust of 62 mph.

Peak strength63 mph winds (1-minute)
Tropical storm
Cities with tropical-storm-force windsModeled, of the cities we track
5
LandfallsFirst September 21, 1947
3
Lowest pressure
987 mb

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 (AL061947)’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. September 21, 1947, tropical storm at 52 mph, in Cuba
  2. September 22, 1947, tropical storm at 52 mph, in Cuba
  3. September 23, 1947, tropical storm at 63 mph, about 38 miles from Ocala, FL

Modeled winds at cities (5)

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

CityPeak gustSustainedClosest passPeak
Tampa, FL62 mph51 mph35 milesSep 23, 1947, 11:30 AM GMT-4
Ocala, FL60 mph49 mph29 milesSep 23, 1947, 6:30 PM GMT-4
Gainesville, FL53 mph43 mph8 milesSep 23, 1947, 7:30 PM GMT-4
Jacksonville, FL52 mph42 mph33 milesSep 24, 1947, 12:30 AM GMT-4
Lakeland, FL50 mph41 mph64 milesSep 23, 1947, 1:00 PM GMT-4

Best track (27 positions)

TimeStatusWindPressurePosition
Sep 20, 06:00 UTCTropical storm40 mph19.2°N, 77.7°W
Sep 20, 12:00 UTCTropical storm40 mph19.5°N, 78.7°W
Sep 20, 18:00 UTCTropical storm40 mph19.7°N, 79.4°W
Sep 21, 00:00 UTCTropical storm40 mph19.9°N, 80.0°W
Sep 21, 06:00 UTCTropical storm46 mph20.2°N, 80.6°W
Sep 21, 12:00 UTCTropical storm46 mph20.5°N, 81.2°W
Sep 21, 18:00 UTCTropical storm52 mph21.1°N, 82.0°W
Sep 21, 22:00 UTC (landfall)Tropical storm52 mph21.6°N, 82.6°W
Sep 22, 00:00 UTCTropical storm52 mph22.0°N, 82.8°W
Sep 22, 03:00 UTC (landfall)Tropical storm52 mph22.5°N, 83.1°W
Sep 22, 06:00 UTCTropical storm52 mph23.0°N, 83.3°W
Sep 22, 12:00 UTCTropical storm52 mph23.8°N, 83.4°W
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