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Tropical Storm Allison (1989)

Tropical Storm Allison was a tropical storm at its peak, with 52 mph winds and a lowest pressure of 999 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 Pasadena, TX, with a modeled peak gust of 51 mph.

Peak strength52 mph winds (1-minute)
Tropical storm
Cities with tropical-storm-force windsModeled, of the cities we track
5
LandfallsFirst June 26, 1989
1
Lowest pressure
999 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 Tropical Storm Allison’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. June 26, 1989, tropical storm at 46 mph, about 62 miles from Sugar Land, TX

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
Pasadena, TX51 mph42 mph7 milesJun 26, 1989, 6:30 PM CDT
League City, TX51 mph41 mph14 milesJun 26, 1989, 5:00 PM CDT
Pearland, TX50 mph41 mph3 milesJun 26, 1989, 3:00 PM CDT
Houston, TX50 mph41 mph10 milesJun 26, 1989, 4:30 PM CDT
Sugar Land, TX48 mph39 mph4 milesJun 26, 1989, 1:30 PM CDT

Best track (29 positions)

TimeStatusWindPressurePosition
Jun 24, 18:00 UTCTropical depression35 mph1008 mb27.0°N, 96.0°W
Jun 25, 00:00 UTCTropical depression35 mph1006 mb27.0°N, 96.0°W
Jun 25, 06:00 UTCTropical depression35 mph1005 mb27.2°N, 96.0°W
Jun 25, 12:00 UTCTropical depression35 mph1005 mb27.4°N, 95.9°W
Jun 25, 18:00 UTCTropical depression35 mph1005 mb27.6°N, 95.8°W
Jun 26, 00:00 UTCTropical storm40 mph1004 mb27.8°N, 95.8°W
Jun 26, 06:00 UTCTropical storm40 mph1004 mb28.1°N, 95.8°W
Jun 26, 12:00 UTCTropical storm46 mph1003 mb28.6°N, 95.7°W
Jun 26, 13:00 UTC (landfall)Tropical storm46 mph1002 mb28.7°N, 95.7°W
Jun 26, 18:00 UTCTropical storm52 mph1001 mb29.1°N, 95.7°W
Jun 27, 00:00 UTCTropical storm52 mph999 mb29.7°N, 95.7°W
Jun 27, 06:00 UTCTropical storm40 mph1000 mb30.2°N, 95.3°W
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