Violent storms sweep Plains States

A tornado forms and touches down north of Soloman, Kan., Saturday, April 14, 2012. Approximately one hundreds tornadoes were report in one day, as a severe weather system swept across the Plains States. The Storm Prediction Center in Norman, Okla., which specializes in tornado forecasting, had warned of a "high-end, life-threatening event" nearly two days before the bad weather hit. It was just the second time in U.S. history that the center issued a high-risk warning more than 24 hours in advance.

Kyle Phillips,AP Photo/The Norman Transcript

Downed power lines litter 24th Avenue Southwest at the Lindsey Street intersection after a tornado hit Friday afternoon, April 13, 2013 in Norman, Okla.

Damage from an apparent tornado is seen April 14, 2012 in Thurman, Iowa. The storms were part of a massive system that affected areas from Northern Nebraska south through Oklahoma.

People begin to pick up the pieces after the town was hit by an apparent tornado April 14, 2012 in Thurman, Iowa. The storms were part of a massive system that affected areas from Northern Nebraska south through Oklahoma.

AP Photo/The Norman Transcript, Kyle Phillips

An emergency worker stands in the intersection of Lindsey Street and 24th Avenue Southwest after a tornado passed through, Friday afternoon April 13, 2013 in Norman, Okla.

Damage from an apparent tornado is seen April 14, 2012 in Thurman, Iowa. The storms were part of a massive system that affected areas from Northern Nebraska south through Oklahoma.

Several Semi trucks and their trailers are overturned on Interstate 29 April 14, 2012 in Thurman, Iowa. The storms were part of a massive system that affected areas from Northern Nebraska south through Oklahoma.

Damage from an apparent tornado is seen April 14, 2012 in Thurman, Iowa. The storms were part of a massive system that affected areas from Northern Nebraska south through Oklahoma.

People begin to pick up the pieces after the town was hit by an apparent tornado April 14, 2012 in Thurman, Iowa. The storms were part of a massive system that affected areas from Northern Nebraska south through Oklahoma.

The roof of a strip mall at Gray and Webster lays in the parking lot and on the street after a tornado struck the west and central parts of town Friday, April 13, 2012, in Norman, Okla. In an unusually early and strong warning, national weather forecasters cautioned Friday that conditions are ripe for violent tornadoes to rip through the nation from Texas to Minnesota this weekend.

Two Norman firefighters walk by a building on North Jones Avenue that was damaged by a tornado that hit, Friday afternoon April 13, 2013 in Norman, Okla.

AP Photo/The Norman Transcript, Jerry Laizure

David Benson surveys the damage Friday, April 13, 2012, caused by a tornado that skipped through Norman, Okla. Benson's garage was blown off it's foundation but the antique pick-up he is restoring was undamaged. The National Weather Service confirmed that a twister touched down Friday afternoon April 13, 2012 near the campus and a state highway.

A tornado viewed on the ground north of Soloman, Kan., Saturday, April 14, 2012.

Turbulent clouds move across the sky above a grain elevator near Salina Kan., Saturday, April 14, 2012.

AP Photo/The Hays Daily News, Steven Hausler

Blaine Hyatt, Rush Center, walks around his yard on Saturday, April 14, 2012, about a mile east of Rush Center, Kan., after a tornado damaged his home, destroyed several outbuildings and two grain bins.

A powerful storm raked across Creston, Iowa, over the night on Saturday, April 14, 2012, leaving a wake of overturned cars, downed power lines, property damage to homes, the hospital and Southwestern Community College.

AP Photo/The Des Moines Register, Bryon Houlgrave

A powerful storm raked across Creston, Iowa, over the night on Saturday, April 14, 2012, leaving a wake of overturned cars, downed power lines, property damage to homes, the hospital and Southwestern Community College.

Lightning flashes over Creston, Iowa, early Sunday, April 15, 2012. A powerful storm raked across Creston Saturday night, leaving a wake of overturned cars, downed power lines, property damage to homes, the hospital and Southwestern Community College.

An injured man gets assistance from firefighters near the entrance to the Pinaire Mobile Home Park after it was destroyed by a tornado, in Wichita, Kan., Saturday night, April 14, 2012.

A carpet store is in ruins following a tornado in Woodward, Okla., Sunday, April 15, 2012.

Sue Lord is dwarfed by the debris from her home, which is piled up on the neighbor's home, following a tornado in Woodward, Okla., Sunday, April 15, 2012. Lord was in the home when the tornado struck, but was not injured.

An overturned boat lies on top of downed trees in Thurman, Iowa, Sunday, April 15, 2012. A large part of the town in the western part of the state was destroyed Saturday night, possibly by a tornado, but no one was injured or killed. Fremont County Emergency Management Director Mike Crecelius said about 75 percent of the 250-person town was destroyed.

Mary Kesterson picks up toys scattered by the storm, in Thurman, Iowa, Sunday, April 15, 2012. A large part of the town in the western part of the state was destroyed Saturday night, possibly by a tornado, but no one was injured or killed. Fremont County Emergency Management Director Mike Crecelius said about 75 percent of the 250-person town was destroyed.

Gary Gladwin looks over his wrecked property where he stored a 1937 Chevy, in Thurman, Iowa, Sunday, April 15, 2012. A large part of the town in the western part of the state was destroyed Saturday night, possibly by a tornado, but no one was injured or killed. Fremont County Emergency Management Director Mike Crecelius said about 75 percent of the 250-person town was destroyed.

Damaged sustained to South West Community College following a tornado April 15, 2012 in Creston, Iowa. Parts of the northern edge of Creston were affected by strong winds and tornadoes including damage to the Greater Regional Medical Center. The storms were part of a massive system that affected areas from Northern Nebraska and Iowa south through Oklahoma.

People survey the damage following a tornado as residents begin the cleanup process April 15, 2012 in Creston, Iowa. Parts of the northern edge of Creston were affected by strong winds and tornadoes including damage to the Greater Regional Medical Center. The storms were part of a massive system that affected areas from Northern Nebraska and Iowa south through Oklahoma.

Galen Zumbach begins the cleanup process with the help of neighbors and friends after his house was hit by a tornado April 15, 2012 in Creston, Iowa. Parts of the northern edge of Creston were affected by strong winds and tornadoes including damage to the Greater Regional Medical Center. The storms were part of a massive system that affected areas from Northern Nebraska and Iowa south through Oklahoma.

AP Photo/The Wichita Eagle, Chris Letterman

The Century Wheel Ferris wheel and a kiddie roller coaster lay toppled after Saturday night's tornado outbreak in a parking lot where they were set up near Kellogg and Greenwich in Wichita, Kan., Sunday, April 15, 2012. Residents of several states scoured through the wreckage of battered homes and businesses after dozens of tornadoes blitzed the Midwest and Plains Saturday night.

AP Photo/The Wichita Eagle, Travis Heying

A man talks on the phone on a truck loaded with personal belongings at the Pinaire mobile home park on Sunday, April 15, 2012 the day after a tornado caused massive destruction in the area.

Phillip Castor cleans up insulation at his brother-in-law's home following a tornado in Woodward, Okla., Sunday, April 15, 2012.

AP Photo/The Wichita Eagle, Mike Hutmacher

Ottaway Amusement employee Chris Letterman walks around the Century Wheel in a parking lot near the corner of Kellogg and Greenwich in Wichita, Kansas, Sunday, April 15, 2012. The Ferris wheel and another ride toppled over on Saturday night during the tornado outbreak. "You're looking at 2 million dollar, squished," Letterman said.

A tree branch impales a windshield of a car in Thurman, Iowa, Sunday, April 15, 2012. Iowa emergency officials said a large part of the town in the western part of the state was destroyed Saturday night, possibly by a tornado, but no one was injured or killed. Fremont County Emergency Management Director Mike Crecelius said about 75 percent of the 250-person town was destroyed.

Iowa army national guardsman help the cleanup in Thurman, Iowa, Sunday, April 15, 2012. Iowa emergency officials said a large part of the town in the western part of the state was destroyed Saturday night, possibly by a tornado, but no one was injured or killed. Fremont County Emergency Management Director Mike Crecelius said about 75 percent of the 250-person town was destroyed.

Residents of Creston, Iowa, continue cleaning up on Sunday, April 15, 2012, following a strong storm that passed through on Saturday evening. The storm knocked down power lines, overturned vehicles, and caused extensive property damage, including the town's hospital.

Barbara Cline and her dog Daisy sit on the steps of her home in the Meadow Lake Beach neighborhood, Sunday, April 15, 2012. The roof was blown off the home.