Alabama

A truck from the Alabama Department of Transportation, followed by traffic, spreads sand on the northbound lanes of the Hudson Memorial Bridge spanning the Tennessee River, Thursday, Jan. 15, 2015, in Decatur, Ala.   A wintery mix of precipitation was expected throughout the day.

Gary Cosby Jr/The Decatur Daily/AP

A truck from the Alabama Department of Transportation, followed by traffic, spreads sand and grit on the northbound lanes of the Hudson Memorial Bridge spanning the Tennessee River on Thursday in Decatur, Alabama

Lighting strikes from a tornadic vortex signature storm in Tuscaloosa, Alabama...Lighting strikes from a TVS (tornadic vortex signature) storm in Tuscaloosa, Alabama April 28, 2014. On a second day of ferocious storms that have claimed at least 21 lives in the southern United States, a tornado tore through the Mississippi town of Tupelo on Monday destroying homes and businesses, according to witnesses and emergency officials. REUTERS/Gene Blevins

Gene Blevins/Reuters

Lightning strikes from a TVS (tornadic vortex signature) storm in Tuscaloosa, Alabama. On a second day of ferocious storms that have claimed at least 21 lives in the southern United States, a tornado tore through the Mississippi town of Tupelo on Monday destroying homes and businesses, according to witnesses and emergency officials 

Investigators search through the debris on the scene of a UPS cargo plane crash

Butch Dill/AP

Investigators search through the debris at the scene of a UPS cargo plane crash at Birmingham International airport in Birmingham, Alabama on Wednesday