Joplin tornado May 26

David Turner, from Waco, Tex., sorts through belongings in a house occupied by his two sisters in devastated Joplin, Mo. neighborhood Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

Mike Coffman, of Purcell, Mo., is surrounded by rubble as he takes a break and eats a sandwich as he helps to sort through debris on Thursday, May 26, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 125 people. (AP Photo/Mark Humphrey)

Wylie Boatright, a member of the Elks Lodge #501, looks through wreckage of the lodge on Thursday, May 26, 2011, in Joplin, Mo. Four people died in the building when a tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 123 people. The building in the background is the damaged St. John's Regional Health Center. (AP Photo/Mark Humphrey)

A water tower stands among tattered trees in a devastated Joplin, Mo. neighborhood Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

A flag flies at half staff over devastated Joplin High School in Joplin, Mo. Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

Beverly Winans salvages items from her devastated home in Joplin, Mo. Wednesday, May 25, 2011. Winans and her husband rode out the EF-5 tornado by hiding under a bed in the home. The tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 123 people. (AP Photo/Charlie Riedel)

A search and rescue team member searches for victims at a devastated apartment complex in Joplin, Mo. Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

Names spray painted on a garage door indicate the status of residents of a home in a devastated Joplin, Mo. neighborhood Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

Travis Blizzard, left, salvages items from his car with the help of friends Matt Jordan, center, and Dylan Shyler, right, on Wednesday, May 25, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 122 people. (AP Photo/Mark Humphrey)

A search and rescue team member looks for victims at a devastated apartment complex in Joplin, Mo. Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

Destroyed cars sit in the parking lot of the damaged St. John's Regional Health Center on Thursday, May 26, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 125 people. (AP Photo/Mark Humphrey)

Melissa Bebee looks out the hole in her bathroom roof where she sheltered with nine others in her devastated Joplin, Mo. neighborhood Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

A firefighter looks for victims at a devastated apartment complex in Joplin, Mo. Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

Cars are piled by the ambulance entrance to St. John's Regional Health Center on Thursday, May 26, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 125 people. (AP Photo/Mark Humphrey)

Melissa Bebee pauses while salvaging items from her devastated Joplin, Mo. home Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

A walker hangs out a window blown out by a tornado at St. John's Regional Health Center on Thursday, May 26, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 125 people. (AP Photo/Mark Humphrey)

A search dog scours a pile of rubble at a devastated apartment complex in Joplin, Mo. Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

Beverly Winans hugs her daughter Debbie Surlin while salvaging items from Winans' devastated home in Joplin, Mo. Wednesday, May 25, 2011. Winans and her husband rode out the EF-5 tornado by hiding under a bed in the home. The tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 123 people. (AP Photo/Charlie Riedel)

David Turner, from Waco, Texas, sorts through belongings in a house occupied by his two sisters in a devastated neighborhood in Joplin, Mo., Thursday, May 26, 2011. His sisters both survived the tornado, though one was trapped for two hours before rescued. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

Volunteers stop to look at debris as they walk to their work site on Thursday, May 26, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 123 people. (AP Photo/Mark Humphrey)

David Turner, from Waco, Texas, sorts through belongings in a house occupied by his two sisters in a devastated neighborhood in Joplin, Mo., Thursday, May 26, 2011. His sisters both survived the tornado though one was trapped for two hours before rescued. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

Sally Adams holds her cat Callie after she was found in her devastated Joplin, Mo. home Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

Gary Pulsipher, president and CEO of St. John's Regional Health Center, views tornado damage done to the lobby Thursday, May 26, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 125 people. (AP Photo/Mark Humphrey)

Cars drive down debris-lined streets on Wednesday, May 25, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 123 people. (AP Photo/Mark Humphrey)

Debris covers the ground on Thursday, May 26, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 125 people. (AP Photo/Mark Humphrey)

People walk past a fallen tree on Thursday, May 26, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 125 people. (AP Photo/Mark Humphrey)

A car passes tornado-destroyed buildings and trees as clouds roll in on Wednesday, May 25, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 123 people. (AP Photo/Mark Humphrey)

David Cartwright, from Lamar, Mo, salvages items from his daughter's devastated Joplin, Mo. home Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

A search and rescue team looks for victims at a devastated apartment complex in Joplin, Mo. Thursday, May 26, 2011. An EF-5 tornado tore through much of the city Sunday, damaging a hospital and hundreds of homes and businesses and killing at least 125 people. (AP Photo/Charlie Riedel)

Lisa Bowyer walks past the rubble from her tornado-destroyed home on Wednesday, May 25, 2011, in Joplin, Mo. A tornado tore through much of the city Sunday, wiping out neighborhoods and killing at least 123 people. (AP Photo/Mark Humphrey)