Sharon Walker checks on some farm equipment that was stored in a metal shed behind her barn in Limestone County, near Athens, Ala., Friday, April 4, 2008. Waves of strong thunderstorms toppled trees and power lines across north and west Alabama on Friday, damaging homes and businesses and prompting schools to dismiss thousands of students early as a precaution. Forecasters issued a string of tornado warnings through the afternoon, but there were no confirmed touchdowns. (AP Photo/The Decatur Daily, Gary Cosby Jr.)