Chris Nelson hugs his daughter Andrea Nelson, 15, in the parking lot in front of Lowe's hardware store in Sanford, North Carolina, on Sunday, April 17, 2011, a day after a tornado destroyed the building while the Nelsons were inside shopping. The Nelsons returned Sunday to reclaim their truck, back right. #

In this April 16, 2011 photo provided by Bonnie Burkett, a tornado moves through Colerain, North Carolina. The photographer, Richard Burkett, snapped the picture shortly before he and his wife took cover in a closet underneath their stairs. The tornado hit their barn and passed over their house seconds after the picture was taken. #

Destroyed school buses sit among the rubble at Page Middle School, April 17, 2011 in Gloucester, Virginia. A tornado that barreled across Gloucester Saturday evening cut a mile-wide swath of destruction about 7 1/2 miles long from Coke to the Mathews County line, leaving three residents dead and more than 60 injured, said Sheriff Steve Gentry. #

Jeff Bass, right, comforts Kim Thomas as they stand in front of the destroyed Lowe's Home Improvement store after a tornado left several businesses in ruins on Saturday April 16, 2011 in Sanford, North Carolina. #

Clint Stanley (left) and Rob Oakley clear away the remains of a tree on top of a car, Sunday, April 17, 2011. The tree fell and crushed the car of Myra Pearson in the driveway of her house on Oleander Road in Raleigh when a tornado struck Raleigh, North Carolina. Saturday, April 16, 2011. #

Allison Cougill, center, helps sort through debris of her river cottage after a tornado swept through the area Saturday night in Deltaville, Virginia, Sunday, April 17, 2011. #

Annina Purdy, who was inside the Lowe's hardware store in Sanford, North Carolina. the previous day when a tornado destroyed the building, returned to the store's parking lot on Sunday, April 17, 2011, to reclaim personal belongings from her car. #

Hannah Rosser, 13, who suffered bruising to her ribs the previous day when a tornado hit Lowe's hardware store in Sanford, North Carolina, walks through the Lowe's parking lot on Sunday, April 17, 2011. #

People walk through a neighborhood to assess the damage after a tornado ripped through the Cottonade neighborhood on Saturday, April 16, 2011 near Fort Bragg, North Carolina. #

Patrick Woods, a freshman at Pine Forest High School in Fayetteville, North Carolina. picks up a flag on the remains of structures on the softball field at Pine Forest High School on Saturday, April 16, 2011 in Fayetteville, North Carolina. #

An aerial photo shows some of the approximately 30 houses severely damaged or destroyed by a tornado in the St. Andrews neighborhood just south of Sanford, North Carolina, Sunday, April 17, 2011. #

Alicia Brinley pulls an untouched cowboy hat out of the tornado debris where a horse arena once stood on her family farm at the Misty Creek Ranch in Sanford, North Carolina, Sunday, April 17, 2011. #

Only stairs and flowers remain Saturday, April 16, 2011 after severe winds tore a mobile home off it's lot late Friday night in Boone's Chapel, Alabama, in Autauga County. #

Bill Mosley shouts in surprise after seeing the china mostly intact in the cabinet in what remains of his dining room after a tornado passed through his Clinton, Mississippi neighborhood, Friday, April 15, 2011. #

A horse stands in a pasture surrounded by crumpled metal shorn off a shed, right, by high winds, Saturday, April 16, 2011 in Stuarts Draft, Virginia. Several farm structures were damaged by high winds, and residents suspect that a tornado was responsible. #