Sistem stuhish vdekjeprurëse godasin pjesë të SHBA-ve

Children sit on the front porch as Lindsey Murray, 15, of Harrisburg, Illinois paints "for sale fixer upper" on the side of the home of their grandmother that was destroyed in a tornado. February 29, 2012. (AP)

Amanda Patrick, 31, reacts while talking about neighbors who died during the tornado that ripped through Harrisburg, Illinois, February 29, 2012. (AP)

People walk through debris caused by a tornado that blasted Harrisburg, Illinois, February 29, 2012. (AP)

Margaret Shimkus, 61, talks with an emergency responder about her condition at her home in Harrisburg, Illinois, February 29, 2011. (AP)

A grain silo destroyed by a tornado that blasted Harrisburg, Illinois lies among the debris, February 29, 2012. (AP)

Jeff Rann, 29, right, pauses while sifting for possessions in the remains of his parents' duplex in Harrisburg, Illinois, February 29, 2012. (AP)

Workers with National Distributors Leasing examine damage to semi trailers following a tornado that went through Hodgenville, Kentucky, February 29, 2012. (AP)

Construction workers lift a piece of sheet metal off of classic cars in a storm-damaged display room at Branson Auto World in Branson, Missouri, February 29, 2012. (AP)

Tim Thress, left, of Branson, and Wake Williams help carry merchandise out of a friend's storm-damaged store in Branson, Missouri, February 29, 2012. (AP)

A powerful storm system has left behind a path a destruction across parts of middle and southern United States, killing 12 people.