Killer tornadoes tear across U.S. from Gulf Coast to Great Lakes
Severe Weather
An utility worker assesses damage on to power lines in Athens, Ala., that were heavily damaged by a strong storm that swept through the area Friday, March 2, 2012. A reported tornado destroyed several houses in northern Alabama as storms threatened more twisters across the region Friday. (AP Photo/The News Courier, Lora Scripps)