Event summary and storm survey of each tornado that occurred within the Huntsville, AL NWS County Warning Area.
Event summary and storm survey of each tornado that occurred within the Jackson, MS NWS County Warning Area.
Animation of GOES East visible imagery showing the multiple clusters of severe thunderstorms that developed across the region during the day.
An NSSL product captured tracks of where rotation was strongest as detected by NWS Doppler radars during the outbreak.
The Advanced Land Imager (ALI) on NASA's Earth Observing-1 (EO-1) satellite captured this natural-color image of part of the Cordova track. (5 MB)
A pale green swath in this Landsat image from April 28, 2011, reveals the path of a tornado outside of Griffin, GA. (6 MB)
MODIS image showing damage path left by the Hackelburg/Phil Campbell EF-5 tornado.
Animation of GOES imagery spaning from April 26, 2011 through the morning of April 28, 2011.
Radar image showing high reflectivities associated with debris being generated in Tuscaloosa.
Event summary and storm survey of each tornado that occurred within the Birmingham, AL NWS County Warning Area.
A comparison of 250-meter resolution Aqua MODIS 0.65 µm and 0.87 µm visible channel images centered on Tuscaloosa, Alabama on April 28, 2011 showed signatures of a few of the larger and longer tornado damage paths.
Aerial photographs along the damage path of the Hackleburg/Phil Campbell tornado.
On May 4, 2011, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite observed this segment of a tornado track near Birmingham, Alabama. (8 MB)
Three tornado tracks stretch across Georgia and Alabama in this true-color image taken by the MODIS on NASA's Aqua satellite on April 28, 2011.
Aqua MODIS Natural Color image showing Alabama before the outbreak.
Before and after views of the Charleston Square Apartments, Tuscaloosa, AL and a portion of Jefferson County, AL.
Before and after imagery showing tornado damage in various neighborhoods of Tuscaloosa, AL.