Tropical Storm Allison (2001)
Atlantic storm, 06/05/2001 to 06/19/2001. Peak: Tropical storm.
- Peak strength
- Tropical storm
- Peak winds
- 58 mph
- 50 knots
- Lowest pressure
- 1,000 mb
- Duration
- 14 days
Storm track
57 positions from NOAA's best-track data, colored by strength at each point
- Depression
- Tropical storm
- Cat 1
- Cat 2
- Cat 3
- Cat 4
- Cat 5
U.S. landfalls
Counties along the track
Strongest estimated winds near each county, tropical storm force (39 mph) or more
- Brazoria County, TX52 mph
- Harris County, TX52 mph
- Montgomery County, TX52 mph
- Mobile County, AL46 mph
- Jefferson Parish, LA46 mph
- St. Charles Parish, LA46 mph
- St. John the Baptist Parish, LA46 mph
- St. Tammany Parish, LA46 mph
- George County, MS46 mph
- Hancock County, MS46 mph
- Pearl River County, MS46 mph
- Stone County, MS46 mph
- Baldwin County, AL40 mph
- Escambia County, AL40 mph
- Monroe County, AL40 mph
- Assumption Parish, LA40 mph
- Lafourche Parish, LA40 mph
- St. James Parish, LA40 mph
- St. Martin Parish, LA40 mph
- St. Mary Parish, LA40 mph
All track points (57)
| Time (UTC) | Position | Status | Wind | Pressure |
|---|---|---|---|---|
| 06/05/2001 19:00 UTC | 27.5°N, 95.0°W | Tropical storm | 46 mph | 1,007 mb |
| 06/06/2001 01:00 UTC | 28.5°N, 95.3°W | Tropical storm | 58 mph | 1,002 mb |
| 06/06/2001 04:00 UTC | 28.9°N, 95.3°W | Tropical storm (landfall) | 52 mph | 1,003 mb |
| 06/06/2001 07:00 UTC | 29.3°N, 95.3°W | Tropical storm | 52 mph | 1,003 mb |
| 06/06/2001 13:00 UTC | 30.1°N, 95.2°W | Tropical depression | 35 mph | 1,006 mb |
| 06/06/2001 19:00 UTC | 31.0°N, 95.2°W | Tropical depression | 23 mph | 1,005 mb |
| 06/07/2001 01:00 UTC | 31.5°N, 95.0°W | Tropical depression | 23 mph | 1,005 mb |
| 06/07/2001 07:00 UTC | 31.6°N, 95.0°W | Tropical depression | 23 mph | 1,005 mb |
| 06/07/2001 13:00 UTC | 31.8°N, 94.9°W | Tropical depression | 23 mph | 1,006 mb |
| 06/07/2001 19:00 UTC | 31.4°N, 94.9°W | Tropical depression | 23 mph | 1,006 mb |
| 06/08/2001 01:00 UTC | 31.1°N, 95.0°W | Tropical depression | 17 mph | 1,007 mb |
| 06/08/2001 07:00 UTC | 30.9°N, 95.6°W | Tropical depression | 17 mph | 1,002 mb |
| 06/08/2001 13:00 UTC | 30.7°N, 96.1°W | Tropical depression | 23 mph | 1,004 mb |
| 06/08/2001 19:00 UTC | 30.4°N, 96.2°W | Tropical depression | 23 mph | 1,007 mb |
| 06/09/2001 01:00 UTC | 30.2°N, 96.1°W | Tropical depression | 23 mph | 1,007 mb |
| 06/09/2001 07:00 UTC | 29.9°N, 95.9°W | Tropical depression | 23 mph | 1,007 mb |
| 06/09/2001 13:00 UTC | 29.6°N, 95.8°W | Tropical depression | 23 mph | 1,007 mb |
| 06/09/2001 19:00 UTC | 29.3°N, 95.8°W | Tropical depression | 23 mph | 1,007 mb |
| 06/10/2001 01:00 UTC | 28.9°N, 95.6°W | Tropical depression | 23 mph | 1,008 mb |
| 06/10/2001 07:00 UTC | 28.6°N, 95.2°W | Subtropical depression | 23 mph | 1,008 mb |
| 06/10/2001 13:00 UTC | 28.6°N, 94.7°W | Subtropical depression | 29 mph | 1,007 mb |
| 06/10/2001 19:00 UTC | 28.7°N, 94.3°W | Subtropical depression | 29 mph | 1,006 mb |
| 06/11/2001 01:00 UTC | 28.8°N, 93.5°W | Subtropical depression | 35 mph | 1,006 mb |
| 06/11/2001 07:00 UTC | 29.1°N, 92.3°W | Subtropical depression | 35 mph | 1,005 mb |
| 06/11/2001 09:00 UTC | 29.6°N, 91.6°W | Subtropical depression (landfall) | 35 mph | 1,004 mb |
| 06/11/2001 13:00 UTC | 30.0°N, 90.5°W | Subtropical storm | 40 mph | 1,003 mb |
| 06/11/2001 19:00 UTC | 30.7°N, 89.4°W | Subtropical storm | 46 mph | 1,000 mb |
| 06/12/2001 01:00 UTC | 31.0°N, 88.4°W | Subtropical storm | 40 mph | 1,002 mb |
| 06/12/2001 07:00 UTC | 31.3°N, 87.4°W | Subtropical depression | 29 mph | 1,004 mb |
| 06/12/2001 13:00 UTC | 31.8°N, 86.1°W | Subtropical depression | 23 mph | 1,005 mb |
| 06/12/2001 19:00 UTC | 32.4°N, 84.7°W | Subtropical depression | 23 mph | 1,006 mb |
| 06/13/2001 01:00 UTC | 32.8°N, 83.6°W | Subtropical depression | 23 mph | 1,006 mb |
| 06/13/2001 07:00 UTC | 33.1°N, 82.6°W | Subtropical depression | 23 mph | 1,006 mb |
| 06/13/2001 13:00 UTC | 33.4°N, 81.6°W | Subtropical depression | 29 mph | 1,004 mb |
| 06/13/2001 19:00 UTC | 33.7°N, 80.7°W | Subtropical depression | 29 mph | 1,005 mb |
| 06/14/2001 01:00 UTC | 34.0°N, 79.6°W | Subtropical depression | 29 mph | 1,006 mb |
| 06/14/2001 07:00 UTC | 34.3°N, 78.5°W | Subtropical depression | 29 mph | 1,006 mb |
| 06/14/2001 13:00 UTC | 34.6°N, 77.9°W | Subtropical depression | 29 mph | 1,006 mb |
| 06/14/2001 19:00 UTC | 34.7°N, 77.7°W | Subtropical depression | 29 mph | 1,007 mb |
| 06/15/2001 01:00 UTC | 34.6°N, 77.6°W | Subtropical depression | 29 mph | 1,008 mb |
| 06/15/2001 07:00 UTC | 34.6°N, 77.2°W | Subtropical depression | 29 mph | 1,008 mb |
| 06/15/2001 13:00 UTC | 34.9°N, 77.0°W | Subtropical depression | 29 mph | 1,008 mb |
| 06/15/2001 19:00 UTC | 35.5°N, 76.9°W | Subtropical depression | 29 mph | 1,008 mb |
| 06/16/2001 01:00 UTC | 35.9°N, 76.8°W | Subtropical depression | 29 mph | 1,009 mb |
| 06/16/2001 07:00 UTC | 36.3°N, 76.6°W | Subtropical depression | 29 mph | 1,007 mb |
| 06/16/2001 13:00 UTC | 36.6°N, 76.2°W | Subtropical depression | 29 mph | 1,007 mb |
| 06/16/2001 19:00 UTC | 36.8°N, 75.9°W | Subtropical depression | 29 mph | 1,007 mb |
| 06/17/2001 01:00 UTC | 37.2°N, 75.5°W | Subtropical depression | 29 mph | 1,006 mb |
| 06/17/2001 07:00 UTC | 37.8°N, 75.4°W | Subtropical depression | 29 mph | 1,006 mb |
| 06/17/2001 13:00 UTC | 38.6°N, 74.5°W | Subtropical depression | 35 mph | 1,005 mb |
| 06/17/2001 19:00 UTC | 39.3°N, 73.4°W | Subtropical storm | 46 mph | 1,004 mb |
| 06/18/2001 01:00 UTC | 40.0°N, 72.1°W | Subtropical storm | 40 mph | 1,005 mb |
| 06/18/2001 07:00 UTC | 40.6°N, 70.8°W | Extratropical | 35 mph | 1,006 mb |
| 06/18/2001 13:00 UTC | 41.3°N, 69.4°W | Extratropical | 35 mph | 1,008 mb |
| 06/18/2001 19:00 UTC | 42.0°N, 67.4°W | Extratropical | 35 mph | 1,009 mb |
| 06/19/2001 01:00 UTC | 42.7°N, 64.6°W | Extratropical | 29 mph | 1,011 mb |
| 06/19/2001 07:00 UTC | 43.5°N, 61.0°W | Extratropical | 23 mph | 1,012 mb |
Source: NOAA National Hurricane Center, HURDAT2 best-track data · Positions every 6 hours plus landfall and peak times; winds are 1-minute sustained