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Unnamed tropical storm of 1863 (AL091863)

Unnamed tropical storm of 1863 (AL091863) was a tropical storm at its peak, with 69 mph winds, per NOAA's National Hurricane Center. Modeled winds reached tropical-storm force (39 mph) at 7 of the cities we track; the strongest was League City, TX, with a modeled peak gust of 63 mph.

Peak strength69 mph winds (1-minute)
Tropical storm
Cities with tropical-storm-force windsModeled, of the cities we track
7
LandfallsFirst September 29, 1863
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 1863 (AL091863)’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 29, 1863, tropical storm at 69 mph, about 23 miles from League City, TX

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
League City, TX63 mph51 mph22 milesSep 29, 1863, 2:09 AM GMT-5:50:36
Pasadena, TX63 mph51 mph32 milesSep 29, 1863, 6:09 AM GMT-5:50:36
Pearland, TX62 mph51 mph34 milesSep 29, 1863, 6:09 AM GMT-5:50:36
Houston, TX57 mph46 mph49 milesSep 29, 1863, 6:09 AM GMT-5:50:36
Sugar Land, TX56 mph46 mph49 milesSep 29, 1863, 2:54 AM GMT-5:50:36
Beaumont, TX53 mph43 mph28 milesSep 29, 1863, 9:54 AM GMT-5:50:36
Lake Charles, LA52 mph42 mph15 milesSep 29, 1863, 7:39 PM GMT-5:50:36

Best track (12 positions)

TimeStatusWindPressurePosition
Sep 29, 00:00 UTCTropical storm69 mph28.5°N, 95.7°W
Sep 29, 06:00 UTCTropical storm69 mph28.9°N, 95.3°W
Sep 29, 12:00 UTC (landfall)Tropical storm69 mph29.3°N, 94.8°W
Sep 29, 18:00 UTCTropical storm58 mph29.6°N, 94.3°W
Sep 30, 00:00 UTCTropical storm58 mph29.8°N, 93.7°W
Sep 30, 06:00 UTCTropical storm58 mph30.0°N, 93.1°W
Sep 30, 12:00 UTCPost-tropical46 mph30.1°N, 92.5°W
Sep 30, 18:00 UTCPost-tropical46 mph30.2°N, 91.9°W
Oct 1, 00:00 UTCPost-tropical46 mph30.3°N, 91.3°W
Oct 1, 06:00 UTCPost-tropical46 mph30.4°N, 90.7°W
Oct 1, 12:00 UTCPost-tropical46 mph30.5°N, 90.1°W
Oct 1, 18:00 UTCPost-tropical46 mph30.6°N, 89.5°W