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Unnamed hurricane of 1947 (AL091947)

Unnamed hurricane of 1947 (AL091947) was a Category 2 hurricane at its peak, with 104 mph winds and a lowest pressure of 966 mb, per NOAA's National Hurricane Center. Modeled winds reached tropical-storm force (39 mph) at 7 of the cities we track; the strongest was Savannah, GA, with a modeled peak gust of 111 mph.

Peak strength104 mph winds (1-minute)
Category 2
Cities with tropical-storm-force windsModeled, of the cities we track
7
LandfallsFirst October 11, 1947
3
Lowest pressure
966 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 hurricane of 1947 (AL091947)’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. October 11, 1947, tropical storm at 63 mph, in Cuba
  2. October 12, 1947, Category 1 at 92 mph, about 64 miles from Naples, FL
  3. October 15, 1947, Category 2 at 104 mph, about 23 miles from Savannah, GA

Modeled winds at cities (7)

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

CityPeak gustSustainedClosest passPeak
Savannah, GA111 mph90 mph15 milesOct 15, 1947, 6:45 AM GMT-5
Hilton Head Island, SC107 mph87 mph28 milesOct 15, 1947, 7:00 AM GMT-5
Miami, FL81 mph66 mph13 milesOct 12, 1947, 12:00 AM GMT-5
Charleston, SC71 mph58 mph79 milesOct 15, 1947, 12:45 AM GMT-5
Naples, FL59 mph48 mph62 milesOct 11, 1947, 9:00 PM GMT-5
Augusta, GA54 mph44 mph114 milesOct 15, 1947, 7:15 AM GMT-5
Jacksonville, FL49 mph40 mph97 milesOct 15, 1947, 7:00 AM GMT-5

Best track (36 positions)

TimeStatusWindPressurePosition
Oct 8, 18:00 UTCTropical depression29 mph13.5°N, 82.3°W
Oct 9, 00:00 UTCTropical depression29 mph14.2°N, 82.5°W
Oct 9, 06:00 UTCTropical depression35 mph14.9°N, 82.7°W
Oct 9, 12:00 UTCTropical depression35 mph15.6°N, 83.0°W
Oct 9, 18:00 UTCTropical storm40 mph16.4°N, 83.3°W
Oct 10, 00:00 UTCTropical storm46 mph17.2°N, 83.5°W
Oct 10, 06:00 UTCTropical storm46 mph18.1°N, 83.7°W
Oct 10, 12:00 UTCTropical storm52 mph19.1°N, 84.0°W
Oct 10, 18:00 UTCTropical storm58 mph1000 mb20.1°N, 84.1°W
Oct 11, 00:00 UTCTropical storm63 mph21.1°N, 83.9°W
Oct 11, 06:00 UTCTropical storm63 mph22.1°N, 83.7°W
Oct 11, 07:00 UTC (landfall)Tropical storm63 mph22.2°N, 83.6°W
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