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Unnamed hurricane of 1909 (AL091909)

Unnamed hurricane of 1909 (AL091909) was a Category 3 hurricane at its peak, with 121 mph winds and a lowest pressure of 952 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 Baton Rouge, LA, with a modeled peak gust of 112 mph.

Peak strength121 mph winds (1-minute)
Category 3
Cities with tropical-storm-force windsModeled, of the cities we track
7
LandfallsFirst September 21, 1909
1
Lowest pressure
952 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 1909 (AL091909)’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, 1909, Category 3 at 115 mph, about 65 miles from Lafayette, LA

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
Baton Rouge, LA112 mph91 mph22 milesSep 20, 1909, 7:45 PM GMT-6
Lafayette, LA91 mph74 mph34 milesSep 20, 1909, 7:00 PM GMT-6
New Orleans, LA86 mph70 mph87 milesSep 20, 1909, 6:00 PM GMT-6
Slidell, LA76 mph62 mph99 milesSep 20, 1909, 6:30 PM GMT-6
Gulfport, MS57 mph46 mph142 milesSep 20, 1909, 6:00 PM GMT-6
Jackson, MS56 mph45 mph81 milesSep 21, 1909, 2:30 AM GMT-6
Lake Charles, LA55 mph44 mph104 milesSep 20, 1909, 6:45 PM GMT-6

Best track (35 positions)

TimeStatusWindPressurePosition
Sep 13, 12:00 UTCTropical depression35 mph17.5°N, 71.0°W
Sep 13, 18:00 UTCTropical depression35 mph17.8°N, 72.5°W
Sep 14, 00:00 UTCTropical depression35 mph18.1°N, 73.9°W
Sep 14, 06:00 UTCTropical depression35 mph18.3°N, 75.2°W
Sep 14, 12:00 UTCTropical depression35 mph18.5°N, 76.5°W
Sep 14, 18:00 UTCTropical depression35 mph18.7°N, 77.5°W
Sep 15, 00:00 UTCTropical storm40 mph18.9°N, 78.4°W
Sep 15, 06:00 UTCTropical storm46 mph19.1°N, 79.3°W
Sep 15, 12:00 UTCTropical storm52 mph19.3°N, 80.0°W
Sep 15, 18:00 UTCTropical storm58 mph19.5°N, 80.6°W
Sep 16, 00:00 UTCTropical storm63 mph19.6°N, 81.0°W
Sep 16, 06:00 UTCTropical storm69 mph19.9°N, 81.5°W
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