Tornado Outbreak of April 27th, 2011 


Storm Survey Status

This page will be updated with the latest status for ongoing and planned storm surveys for major tornado outbreak of April 27, 2011.  Due to the immense scope of the event, both in the degree of damage and the large geographical area that it covered, it will likely be a week or more before all surveys can be finalized.



Damage Survey Status

Hackleburg EF-5 Tornado. Estimated Peak Winds: < 200mph.
Path Length: 25.2 miles.
Path Width 3/4 mile. Tornado continued into the
Tennessee Valley.
Other portions of Marion, Lamar, Fayette, and Winston Counties

Shotsville: EF-3+ Tornado. Winds:
Around 140mph. Path Length:
19.1 miles in Marion County . 
Path Width: 3/4 mile. Further Evaluation Underway.

Haleyville: EF-3+ Tornado.
Winds: Around 140mph.Path Length:
31.8 miles, Path Width: 3/4 mile. The
track may have continued into the
Tennessee Valley.

Pickens County into Northern Tuscaloosa County Ongoing (Aerial)
Walker and Blount Counties Ongoing (Aerial)
Tuscaloosa EF-3+ Tornado. Expert Analysis to be released soon.
Jefferson County/Birmingham Metro EF-3+ Tornado. Expert Analysis to be released soon.
Western portions of Tuscaloosa-Birmingham Supercell (Sumter and Green Counties) Ongoing
Eastern portions of Tuscaloosa-Birmingham Supercell (Saint Clair to Cherokee County) EF-3+ Tornado. Winds: Potentially up to 180mph.
Path Length: 72 miles, continued up to 26 miles
into Georgia. Path Width: Up to 1.25 miles.
Further Evaluation Underway.
Sumter-Green-Hale-Bibb Counties

EF-3 Tornado.  Winds: Around 145mph.
Path Length: 71.3 miles. Path Width: 1 mile.
Started near the Tombigbee River in Greene
County and continued into Northeast Bibb County.

Pell City-Talladega-Calhoun-Cleburne Counties No Damage Found.  Rotation was aloft.
Marengo (continuation from Choctaw County) Being Finalized
Perry-Dallas-Chilton Counties To Be Surveyed by Monday.
 Autauga-Elmore-Tallapoosa-Chambers (including Dadeville) EF-3+ Tornado. Winds: Potentially up to 170mph.
Path Length: 44.1 miles. Path Width: 1/2 mile.
Further Evaluation Underway. is the U.S. government's official web portal to all federal, state and local government web resources and services.