Kentucky tornadoes A resident surveys the damage from a tornado that hit downtown Mayfield, Kentucky, on Friday night. (Mark Humphrey/Associated Press )
Kentucky tornadoes Emergency response workers dig through the rubble of the Mayfield Consumer Products candle factory in Mayfield, Kentucky. (Timothy D. Easley/Associated Press )
Kentucky tornadoes A woman walks away from a row of ambulances on the property of Mayfield Consumer Products Candle Factory after it was destroyed by a tornado. (John Amis/AFP via Getty Images)
Kentucky tornadoes A feed store in Mayfield, Kentucky was severely damaged by a tornado Friday night. (Timothy D. Easley/Associated Press)
Kentucky tornadoes: artin Bolton, left, and shop owner Danny Wagner try to shut off a leaking gas meter after his automobile repair shop was destroyed by a tornado in Mayfield, Kentucky. (John Amis/Agence France Presse/AFP via Getty Images)
Kentucky tornadoes (Dylan T. Lovan/Associated Press)
Kentucky tornadoes: Debris is scattered near a damaged feed store in Mayfield, Kentucky. (Timothy D. Easley/Associated Press)
Kentucky tornadoes A car sits under a house destroyed by a tornado in Campbellsville, Kentucky. (Michael Clubb/Associated Press )
Kentucky tornadoes Workers survey damage done by a tornado that traveled through Campbellsville, Kentucky. (Michael Clubb/Associated Press )
Kentucky tornadoes Several homes were reduced to rubble after a tornado hit Mayfield, Kentucky. (Mark Humphrey/Associated Press )
Kentucky tornadoes Workers survey the rubble at a Family Dollar store in Mayfield, Kentucky, after Friday night's tornado. (Mark Humphrey/Associated Press )
Kentucky tornadoes A resident surveys the damages after a tornado struck Bowling Green, Kentucky, on Friday. (Gunnar Word/AFP via Getty Images)
Kentucky tornadoes Rescue workers dig through the rubble at the Mayfield Consumer Products candle factory in Mayfield, Kentucky. (Timothy D. Easley/Associated Press )
Kentucky tornadoes A woman in Bowling Green, Kentucky, looks at the damage in the aftermath of a tornado that roared through the western part of the state Friday night. (Gunnar Word/AFP via Getty Images)
Kentucky tornadoes Residents in Bowling Green, Kentucky, assess the damage after Friday night's tornado. (Gunnar Word/AFP via Getty Images)
Kentucky tornadoes Cars and homes were damaged in Mayfield, Kentucky, on Friday night. (Mark Humphrey/Associated Press )
Kentucky tornadoes: People walk past the debris of a home flattened by Friday's tornado in Mayfield, Kentucky. (Mark Humphrey/Associated Press )
Kentucky tornadoes: People carry out boxes from a destroyed building after Friday's tornado in Mayfield, Kentucky. (Mark Humphrey/Associated Press )