Scott Olson/Getty Images
A car sits under a collapsed section of the Henryville school after a tornado ripped through town March 3, 2012 in Henryville, Indiana.
Joe Raedle/Getty Images
Dwane Patrick surveys what is left of his home, after it was destroyed by a tornado, on March 3, 2012 in Holton, Indiana.
Scott Olson/Getty Images
A car lies overturned in the parking lot of the Henryville school after a tornado ripped through town March 3, 2012 in Henryville, Indiana.
Joe Raedle/Getty Images
Theresa Antill stands outside the damaged bedroom of her mother's home after it was hit by a tornado that passed through the town on March 3, 2012 in Holton, Indiana.
Photo by Scott Olson/Getty Images
Lee Root (left) and Holly Hatfield use a rescue dog to search a home for victims of yesterday's tornado March 3, 2012 in Henryville, Indiana.
Scott Olson/Getty Images
Pam Hogan and her rescue dog Bart search a collapsed home for victims of yesterday's tornado March 3, 2012 in Henryville, Indiana.
AP Photo/Billy Weeks
Justin Pace helps clean up the home of Gene and Tammy Humphrey in Harrison, Tenn., Saturday. March 3, 2012.
AP Photo/The Lexington Herald-Leader, Ron Garrison
The foundation was all that remained of Ronnie and Beverly Bowman's home after a tornado Saturday, March 3, 2012 in Menifee County, Ky.
AP Photo/The News and Tribune, C.E. Branham
A school bus is crushed into a business on the east side of U.S. 31 in Henryville, Ind., after powerful storms stretching from the U.S. Gulf Coast to the Great Lakes in the north wrecked two small towns and killed several people Friday, March 2, 2012, as the system tore roofs off schools and homes and damaged a maximum security prison.
AP Photo/John Amis
Two unidentified people survey damaged airplanes at Paulding Northwest Atlanta Airport which was struck by an overnight tornado, pictured Saturday, March 3, 2012, in Dallas, Ga. Residents in northwest Georgia face a daunting cleanup from overnight storms that damaged dozens of homes while many counties in southern Georgia remain on the lookout for possible severe weather.
AP Photo/Michael Conroy
An American flag flies over the damaged gym at Henryville High School in Henryville, Ind., Saturday, March 3, 2012. The school was extensively damaged by a tornado on Friday.
AP Photo/The Cincinnati Enquirer, Carrie Cochran
Horses stand in front of debris on Paxton Road in Piner, Ky. on Saturday, March 3, 2012, a day after the storm.
AP Photo/The Cincinnati Enquirer, Patrick Reddy
A work detail from the Grant County Detention Center cleans debris from Barley Circle in the Harvester's subdivision of Crittenden, Ky. on Saturday, March 3, 2012 after a severe storm struck the area.
AP Photo/SWAT Chasers, Chris Bergin via the Indianapolis Star
In this photo provided by SWAT Chasers via the Indianapolis Star, a police officer checks his phone while standing amid wreckage in Henryville, Ind., Friday, March 2, 2012, after a series of powerful tornadoes tore through southern Indiana and leaving several small towns in ruin.
AP Photo/The Gleaner, Darrin Phegley
James R. Shaffer's home sits destroyed at his farm on A. Martin Road in Union County, Ky. Friday, March 2, 2012, in Henerson, Ky. Powerful storms stretching from the U.S. Gulf Coast to the Great Lakes in the north wrecked two small towns, killed more than 30 people and bred anxiety across a wide swath of the country on Friday, in the second deadly tornado outbreak this week.
AP Photo/Nam Y. Huh
Marta Righthouse, right, cries as she hugs her neighbor Debbie Gilbert in Marysville, Ind., Saturday, March 3, 2012. Massive thunderstorms threw off dozens of tornadoes as they raced Friday from the Gulf Coast to the Great Lakes. Twisters crushed blocks of homes, knocked out cellphones and landlines, ripped power lines from broken poles and tossed cars, school buses and tractor-trailers onto roads made impassable by debris.
AP Photo/The Courier-Journal, Matt Stone
Jeanie Lewellyn and her dog Bell Bell stand outside the remains of their home, which was destroyed by a tornado that ripped through their Pekin, Ind. neighborhood, outside of New Pekin, Ind. Friday, March 2, 2012.
AP Photo/The Courier-Journal, Matt Stone
From left, Amos Calloway, Steve Burnett and his wife Rhonda Burnett look towards the hills after a tornado ripped through the Burnett's welding business outside of New Pekin, Ind. Friday, March 2, 2012.
AP Photo/The Enquirer, Gary Landers
Emergency workers make their way down Broadway Street after an apparent tornado moved through Moscow, Ohio Friday March 2, 2012.
AP Photo/SWAT Chasers, Chris Bergin via the Indianapolis Star
In this photo provided by SWAT Chasers via the Indianapolis Star, a woman salvages belongings from her home that was destroyed in Henryville, Ind., Friday, March 2, 2012, after a series of powerful tornadoes tore through southern Indiana.
John Flavell
Vehicles, including two police cruisers, are piled up in front of the West Liberty City Hall Friday, March 2, 2012, following a tornado strike, in West Liberty, Ky. It was the second tornado to hit the town in a week.
AP Photo/Brian Bohannon
Tornado damage is seen Friday, March 2, 2012 in Marysville, Ind. Powerful storms stretching from the U.S. Gulf Coast to the Great Lakes in the north wrecked two small towns, killed more than 30 people in several states, and bred anxiety across a wide swath of the country on Friday, in the second deadly tornado outbreak this week.
AP Photo/The Messenger-Inquirer, Gary Emord-Netzley
Bystanders look over what remains of an Evergreen Lawncare warehouse off East Fourth Street in Owensboro, Ky., Friday, March 2, 2012. Powerful storms stretched from the U.S. Gulf Coast to the Great Lakes.
AP Photo/Garry Jones
Various sizes of hail stones litter the ground in Henryville, Ind., Friday, March 2, 2012 more than three hours after an apparent tornado touchdown in the community 20 miles north of Louisville, Ky.
AP Photo/Brian Bohannon
Tornado damage is seen Friday, March 2, 2012 in Marysville, Ind. Powerful storms stretching from the U.S. Gulf Coast to the Great Lakes in the north wrecked two small towns, in the second deadly tornado outbreak this week.
AP Photo/The News and Tribune, C.E. Branham
Fireman go through debris of businesses and homes along U.S. 31 in Henryville, Ind., after powerful storms stretching from the U.S. Gulf Coast to the Great Lakes in the north wrecked two small towns Friday, March 2, 2012, as the system tore roofs off schools and homes and damaged a maximum security prison. It was the second deadly tornado outbreak this week.
AP Photo/The News and Tribune, C.E. Branham
People check out the damage at a Marathon gas station in Henryville, Ind., after powerful storms stretching from the U.S. Gulf Coast to the Great Lakes in the north wrecked two small towns and killed at least eight people Friday, March 2, 2012, as the system tore roofs off schools and homes and damaged a maximum security prison. It was the second deadly tornado outbreak this week.
AP Photo/David Kohl
A man cuts trees off his truck after a possible tornado hit the village of Moscow, Ohio, Friday, March 2, 2012. Powerful storms stretching from the Gulf Coast to the Great Lakes flattened buildings in several states, wrecked two Indiana towns and bred anxiety across a wide swath of the country in the second powerful tornado outbreak this week.
AP Photo/The Huntsville Times, Dave Dieter
Tony Hernandez helps Ceola Dejean look for clothes in her destroyed home on Tom Taylor Circle Friday, March 2, 2012 in Meridianville, Ala. AP Photo/The Huntsville Times, Dave Dieter
Getty Images/Scott Olson
Jeff Spore with Atmos Energy works to disconnect a gas line to a home which was destroyed by a tornado March 2, 2012 in Harrisburg, Illinois.
AP Photo/The Huntsville Times, Eric Schultz
The Plant Place greenhouse lies destroyed after a reported tornado came through Toney, Ala., Friday, March 2, 2012.
AP Photo/Wade Payne
Sheila Skaggs, daughter of Harold and Carolyn Jones, sifts through the remains of her parents home where a deadly tornado destroyed houses in the Rinnie Community near Crossville, Tenn. Thursday, March 1, 2012. Carolyn Jones was killed and Harold Jones was taken to the hospital.
AP Photo/The Huntsville Times, Bob Gathany
People look at a truck that was blown off the road by debris from a reported tornado that passed through the Harvest, Ala., area Friday, March 2, 2012.
AP Photo/Michael Patrick, News Sentinel
Relatives of Melissa Beaty console each other on Friday, March 2, 2012 while looking at the home where Melissa was killed and the home destroyed after a tornado touched down in Cumberland County Wednesday evening Feb. 29, 2012.
AP Photo/The Huntsville Times, Bob Gathany
A home under construction after being leveled during an April 2011 tornado, lies damaged again, Friday, March 2, 2012 in Harvest, Ala., after another reported tornado.
AP Photo/The Huntsville Times, Eric Schultz
A semitrailer lies flipped near Sparkman High School on Jeff Road after a reported tornado came through Harvest, Ala., Friday, March 2, 2012.
Getty Images/Scott Olson
Residents continue to clean up following a tornado March 2, 2012 in Harrisburg, Illinois.
Getty Images/Scott Olson
Keith Huke walks past what remains of his tornado-ravaged home on March 2, 2012 in Harrisburg, Illinois. Huke remained in the bed behind him and escaped without any injuries as the tornado ripped apart his home.
AP Photo/Wade Payne
Mike Hatheway sits on a tree uprooted by a deadly tornado as he talks on the phone at the remains of his grandparents home in the Rinnie Community near Crossville, Tenn. Thursday, March 1, 2012. His grandmother Carolyn Jones was killed and his grandfather Harold Jones was taken to the hospital. A pre-dawn twister flattened entire blocks of homes Wednesday as violent storms ravaged the Midwest and South.
AP Photo/Daily American Republic, Paul Davis
Sierra Gaines, 8, sifts through the remains of her family's mobile home Thursday, March 1, 2012. Gaines was trapped under the rubble when a tornado overturned the trailer Wednesday morning, but escaped with only minor scratches.
AP Photo/The Huntsville Times, Bob Gathany
Downed power lines and debris caused by a reported tornado lie along Yarbrough Road, Friday, March 2, 2012, in Harvest, Ala.
AP Photo/The Southern Illinoisan, Paul Newton
Kera Wise of Carrier Mill, Ill., searches for items in the rubble of a house that had blown across the road during Wednesday's tornado on Thursday, March 1, 2012 in Harrisburg, Ill.
AP Photo/Wade Payne
Water covers a family photo at the home where a deadly tornado on Wednesday killed a woman in the Rinnie Community near Crossville, Tenn. Thursday, March 1, 2012.
AP Photo/Seth Perlman
People try to salvage what they can after a tornado destroyed homes in their neighborhood Wednesday, Feb. 29, 2012, in Harrisburg, Ill.
AP Photo/The Southern, Steve Jahnke
This aerial photo shows damaged homes near the corner of South Water and Birch Streets in Harrisburg, Ill., after a severe storm hit Wednesday, Feb. 29, 2012. Several deaths have been reported in Harrisburg and left the city's medical center scrambling to treat an influx of injured, the hospital's top administrator said.
Getty Images/Whitney Curtis
John Bonenberger looks at debris after a tornado damaged a strip mall where his business was located Feb., 29, 2012 in Harrisburg, Illinois.
AP Photo/The Southern Illinoisan, Paul Newton
St. Joseph's Catholic Church is left in ruins after a severe storm hit in the early morning hours on Wednesday, Feb. 29, 2012, in in Ridgway, Ill. Several deaths have been reported in Harrisburg and left the city's medical center scrambling to treat an influx of injured, the hospital's top administrator said.
Getty Images/Scott Olson
The foundation is all that remains of a home after a tornado ripped through a neighborhood killing several people in the early morning hours of Feb., 29, 2012 in Harrisburg, Illinois.
Getty Images/Julie Denesha
Robert Garner (at left) uses a chainsaw to remove a fallen tree as Jason Peer and his mother Deanna Peer watch from the doorway after a tornado touched down Feb. 29, 2011 in Harveyville, Kansas.
Getty Images/Whitney Curtis
Steve McDonald stands debris from the home of his mother-in-law, Mary Osman, who was killed after a tornado touched down Feb., 29, 2012 in Harrisburg, Illinois.
AP Photo/Seth Perlman
Jeff Rann, 29, right, pauses while sifting for possessions in the remains of their parents' duplex trying to salvage what he can after a tornado destroyed their parents home Wednesday, Feb. 29, 2012, in Harrisburg, Ill. Their parents were cancer survivors Randy Rann, 65, and Donna Rann. Randy died at the scene and his wife died later at a hospital.
AP Photo/Stephen Lance Dennee
From left, Alli Ferrell, 10, and cousin Christian Murray, 12, sit on the front porch, as Lindsey Murray, 15, of Harrisburg, Ill., paints "for sale fixer upper" on the side of the home of their grandmother, Sharon Murray, 61, after a tornado destroyed the house in Harrisburg, Ill., Wednesday, Feb. 29, 2012. A tornado struck the small town in southern Illinois killing 6. Murray was not at home at the time of the storm. A prosthetic leg was found among the wreckage.
Getty Images/Scott Olson
Josh Summers and his wife Lindsey search for their possessions after a tornado ripped through their neighborhood in the early morning hours of Feb., 29, 2012 in Harrisburg, Illinois.
Getty Images/Whitney Curtis
Carolyn Osman looks over debris from the home of her mother-in-law, Mary Osman, who was killed after a storm touched down Feb., 29, 2012 in Harrisburg, Illinois.
AP Photo/The Southern Illinoisan,Paul Newton
Gene Byrd pauses for a moment while he and his son Devyn Byrd, 14, look over some of the damage sustained to a friends house after a severe storm hit in the early morning hours on Wednesday, Feb. 29, 2012, in Harrisrbug, Ill. A severe pre-dawn storm pounded portions of southern Illinois on Wednesday.
AP Photo/The Southern Illinoisan,Paul Newton
Emergency crews comb through some of the damage after a severe storm hit in the early morning hours on Wednesday, Feb. 29, 2012, in Harrisrbug, Ill.
AP Photo/Robert Ray
A prosthetic leg found among the debris caused by a tornado that ripped through Harrisburg, Ill. leans against a damaged home Wednesday, Feb. 29, 2012. The tornado that blasted Harrisburg, killing six, was an EF4, the second-highest rating given to twisters based on damage. Scientists said it was 200 yards wide with winds up to 170 mph.
AP Photo/Mark Schiefelbein
Windows are blown out of a Hilton hotel in downtown Branson, Mo., Wednesday, Feb. 29, 2012. A powerful storm system lashed the Midwest early Wednesday, roughing up the country music resort city of Branson and laying waste to a small town in Kansas.
AP Photo/Timothy D. Easley
A car is perched on top of another following severe weather Wednesday Feb, 29th 2012 in Hodgenville, Ky. Waves of strong storms ripped roofs off homes, apartment buildings and a bank and destroyed several buildings in north-central Kentucky.
AP Photo/Allison Long,Kansas City Star
Bill Mason wraps caution tape around a damage commercial property building on Wednesday, Feb. 29, 2012, in Kansas City, Mo. The structure was severely damaged by storms on Tuesday night. The contractor did the dirt work for the building.
AP Photo/Patti Longmire
Cathy Riggs looks for her belongings after a tornado struck Harry Owen Trucking Company Wednesday, Feb. 29, 2012 in Elizabethtown, KY. Waves of strong storms ripped roofs off homes, apartment buildings and a bank and destroyed several buildings in north-central Kentucky.
AP Photo/The Southern, Steve Jahnke
This aerial photo shows a path of damage stretching west from the backside of a Wal-Mart Supercenter to the east in Harrisburg, Ill., after a severe storm hit Wednesday, Feb. 29, 2012. Several deaths have been reported in Harrisburg and left the city's medical center scrambling to treat an influx of injured, the hospital's top administrator said.
AP Photo/The State Journal-Register/Justin L. Fowler
Patty Ferrell, of Herod, Ill., is overcome with emotion after finding the nursing scrubs that are on the hanger that belonged to her daughter, Jaylynn Ferrell, 22, who was killed in a tornado that struck Harrisburg, Ill., on Wednesday, Feb. 29, 2012. The tornado destroyed the duplex where Jaylynn Ferrell had lived.
AP Photo/Topeka Capital-Journal, Thad Allton
Dennis Irwin, pastor of Harveyville Methodist Church, on Wednesday Feb. 29, 2012, stands near the steeple that was on top of the Church before an EF-2 tornado struck the town Tuesday night. Irwin said the church was built in 1885.
AP Photo/Mike Ransdell/The Kansas City Star
Jeff Woodyard, left, and Tabor Hill helped their neighbor clean up Wednesday Feb. 29, 2012 in Harveyville, Mo., after his home was declared a total loss after a tornado struck overnight. The tornado that barreled through Harveyville was an EF-2, with wind speeds of 120 to 130 mph, state officials said.
AP Photo/The Gleaner, Darrin Phegley
Judy Hudnall sift through the debris left from Wednesday morning's storm in Henderson Ky. Wednesday, Feb. 29, 2012. Waves of strong storms ripped roofs off homes, apartment buildings and a bank and destroyed several buildings in north-central Kentucky.
AP Photo/Daily American Repubic, Paul Davis
Lindsey Kidd surveys the damage to her boyfriend's parents' home outside Puxico, Mo., Feb. 29, 2012, after a storm ripped through the area.
AP Photo/Orlin Wagner
Residents gather the morning after severe storms destroyed several homes and businesses in Harveyville, Kan., Feb. 29, 2012.
AP Photo/The News-Leader, Valerie Mosley
Power lines lie on the ground, Feb. 29, 2012, in Branson, Mo.
AP Photo/The Southern, Paul Newton
In this image made with a cell phone, a residential area is seen severely damaged in Harrisburg, Ill., after a severe storm swept through the area, Feb. 29, 2012.
AP Photo/Orlin Wagner
Volunteer fireman Jeff Woodyard recovers golf clubs from his father-in-law's home in Harveyville, Kan., Feb. 29, 2012.
AP Photo/Daily American Republic, Paul Davis
D.L. Douglas, 80, surveys the damage to a barn near his house northeast of Puxico, Mo., after a storm ripped through the area around 4 a.m., Feb. 29, 2012.
AP Photo/Orlin Wagner
Residents walk the streets the morning after severe storms destroyed several homes and businesses in Harveyville, Kan., Feb. 29, 2012.
AP Photo/John Hanna
A tornado-damaged home sits amid debris along Main Street, Feb. 29, 2012, in Harveyville, Kan.
AP Photo/Orlin Wagner
A stuffed toy lies in a ditch the morning after severe storms destroyed several homes and businesses in Harveyville, Kan., Feb. 29, 2012.
AP Photo/Mark Schiefelbein
Sherry Cousins and her brother Bruce Wallace of Hollister, Mo., sit in the wreckage of their secondhand store in Branson, Mo., Feb. 29, 2012.
AP Photo/Orlin Wagner
A stop sign bent over by severe storms stands on a street corner in Harveyville, Kan., Feb. 29, 2012.
AP Photo/Orlin Wagner
Damaged vehicles are piled together the morning after severe storms destroyed several homes and businesses in Harveyville, Kan., Feb. 29, 2012.
AP Photo/The News-Leader, Valerie Mosley
Debris lies around the Legends Theater, Feb. 29, 2012, in Branson, Mo.
AP Photo/Mark Schiefelbein
Residents walk amid downed power lines in their neighborhood in Branson, Mo, Feb. 29, 2012.
AP Photo/Orlin Wagner
Residents talk in front of a home after severe storms destroyed several homes and businesses in Harveyville, Kan., Feb. 29, 2012.
AP Photo/Mark Schiefelbein
Metal debris is wrapped around trees and windows are shattered at the Ozark Mountain Inn in Branson, Mo., Feb. 29, 2012.
AP Photo/Mark Schiefelbein
Storm debris is piled near the entrance to the Dick Clark's American Bandstand Theater in Branson, Mo., Feb. 29, 2012.
AP Photo/Orlin Wagner
Residents gather the morning after severe storms destroyed several homes and businesses in Harveyville, Kan., Feb. 29, 2012.
AP Photo/Mark Schiefelbein
A gas station is damaged and power lines are down in Branson, Mo., Feb. 29, 2012.
AP Photo/The Southern, Paul Newton
A residential area is heavily damaged in Harrisburg, Ill., after a severe storm swept through the area, Feb. 29, 2012.
AP Photo/Orlin Wagner
Furniture and walls are what is left of a home the morning after severe storms destroyed several homes and businesses in Harveyville, Kan., Feb. 29, 2012.
AP Photo/Mark Schiefelbein
Windows and doors blown out of their frames rest against railings at a hotel in Branson, Mo., Feb. 29, 2012.
AP Photo/The News-Leader, Valerie Mosley
Debris is scattered around the Legends Theater, Feb. 29, 2012, in Branson, Mo., after an apparent tornado left a trail of destruction in the tourist hub.
AP Photo/Orlin Wagner
Residents ride past a tree that was downed by severe storms that destroyed several homes and businesses in Harveyville, Kan., Feb. 29, 2012.
AP Photo/The News-Leader, Valerie Mosley
Debris lies around the Welcome Center in Branson, Mo., Feb. 29, 2012.
AP Photo/The News-Leader, Valerie Mosley
A toppled sign lies in a street, Feb. 29, 2012, in Branson, Mo.
AP Photo/The Southern, Paul Newton
In this image made with a cell phone, damage is seen to a strip mall in Harrisburg, Ill., after a severe storm swept through the area, Feb. 29, 2012.
AP Photo/Orlin Wagner
Volunteers walk past storm damage in Harveyville, Kan., Feb. 29, 2012.
AP Photo/Daily American Republic, Paul Davis
A moblie home occupied by two Puxico, Mo., residents sits destroyed in a field about 80 yards from its original location after an early morning storm passed through the area, Feb. 29, 2012. Both residents were airlifted to a Cape Girardeau, Mo., hospital.
AP Photo/Orlin Wagner
An unidentified man clears storm damage the morning after severe storms destroyed several homes and businesses in Harveyville, Kan., Feb. 29, 2012.
AP Photo/Orlin Wagner
An unidentified man enters Riggin's Market and Deli in Harveyville, Kan., Feb. 29, 2012.
AP Photo/Mark Schiefelbein
Sherry Cousins and her brother Bruce Wallace of Hollister, Mo., sit in the wreckage of their secondhand store in Branson, Mo., Feb. 29, 2012.
AP Photo/Stephen Lance Dennee
Margaret Shimkus, 61, talks with an emergency responder about her condition Wednesday, Feb. 29, 2012, at her home in Harrisburg, Ill., after an early morning tornado ripped through the town. Shimkus, who took refuge in her bathtub, sustained a minor cut from the early morning storm, but Dorothy Hill, her neighbor in the duplex home, was taken to a hospital with injuries.
AP Photo/Stephen Lance Dennee
Emergency responders work to clear debris in a neighborhood in Harrisburg, Ill., after an early morning tornado Wednesday, Feb. 29, 2012.
AP Photo/Matthew Fowler, Gazette
Damage is seen in the town of Harveyville in Wabaunsee County, Kan., Feb. 29, 2012.