Oklahoma Tornado

Severe Weather Two men stand in front of Plaza Towers Elementary School in Moore, Okla., after a tornado destroyed a tornado on Monday, May 20, 2013. (AP Photo/The Oklahoman, Bryan Terry)

AP Photo/The Oklahoman, Bryan Terry

APTOPIX Oklahoma Tornado Lightning from a thunderstorm strikes amid the wreckage of twisted cars and structures at Plaza Elementary School, where seven children were killed earlier in the week when a tornado hit Moore, Okla., Thursday, May 23, 2013. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying the elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. (AP Photo/Brennan Linsley)

AP Photo/Brennan Linsley

Oklahoma Tornado An old car sits wrecked tornado debris Thursday, May 23, 2013, in Moore, Okla. Cleanup continues three days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado The Children This undated photo provided by Marvin Dixon shows his grandson Kyle Davis. Davis was killed when a tornado struck Plaza Towers Elementary School in Moore, Okla., on May 20, 2013. Nicknamed "The Wall," 8-year-old Davis loved soccer and going to the Monster Truck exhibitions at the fairgrounds with his grandfather. (AP Photo/Marvin Dixon)

AP Photo/Marvin Dixon

Christopher Legg This undated handout photo provided by the Legg family shows Christopher Legg. Christopher was killed when a tornado struck Plaza Towers Elementary School in Moore, Okla., on May 20, 2013. (AP Photo/Courtesy of the Legg Family)

AP Photo/Courtesy of the Legg Family

APTOPIX Oklahoma Tornado Monty Montgomery walks among rubble as he prepares to clean up a friend's tornado-ravaged home Thursday, May 23, 2013, in Moore, Okla. Cleanup continues three days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Debris is strewn about amid the wreckage Plaza Towers Elementary, where seven children were killed earlier in the week when a tornado hit Moore, Okla., Thursday, May 23, 2013. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying the elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. (AP Photo/Brennan Linsley)

AP Photo/Brennan Linsley

Oklahoma Tornado A stuffed pink unicorn is tangled amid the wreckage of Plaza Towers Elementary, where seven children were killed earlier in the week when a tornado hit Moore, Okla., Thursday, May 23, 2013. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying the elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. (AP Photo/Brennan Linsley)

AP Photo/Brennan Linsley

Oklahoma Tornado Destroyed vehicles and more debris from Monday's tornado are piled in front of the IMAX theatre in Moore, Oklahoma, Thursday, May 23, 2013. (AP Photo/Tony Gutierrez)

AP Photo/Tony Gutierrez

Oklahoma Tornado The Children This undated handout photo provided by Landon Mcneill shows Sydney Angle. Sydney was killed when a tornado struck Plaza Towers Elementary School in Moore, Okla. on May 20, 2013.(AP Photo/Courtesy of Landon Mcneill)

AP Photo/Courtesy of Landon Mcneill

APTOPIX Oklahoma Tornado Part of a wall remains standing amid the wreckage of Plaza Towers Elementary School, where seven children were killed earlier in the week when a tornado hit Moore, Okla., Thursday, May 23, 2013. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying the elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. (AP Photo/Brennan Linsley)

AP Photo/Brennan Linsley

APTOPIX Oklahoma Tornado Rain falls on the wreckage of Plaza Elementary School, where seven children were killed earlier in the week when a tornado hit Moore, Okla., Thursday, May 23, 2013. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying the elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. (AP Photo/Brennan Linsley)

AP Photo/Brennan Linsley

APTOPIX Oklahoma Tornado Debris is strewn about amid the wreckage Plaza Towers Elementary, where seven children were killed earlier in the week when a tornado hit Moore, Okla., Thursday, May 23, 2013. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying the elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. (AP Photo/Brennan Linsley)

AP Photo/Brennan Linsley

Oklahoma Tornado Residents cleaning up their their tornado-ravaged home take a break to share a prayer with a roving chaplain Thursday, May 23, 2013, in Moore, Okla. Cleanup continues three days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Carol Kawaykla pauses while looking for items in her tornado-ravaged home Thursday, May 23, 2013, in Moore, Okla. Cleanup continues three days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Lynne Holman tosses debris while helping clean up her boyfriend's tornado-ravaged home Thursday, May 23, 2013, in Moore, Okla. Cleanup continues three days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Dawn Ice look for items to salvage as she helps a friend clean up at his tornado-ravaged home Thursday, May 23, 2013, in Moore, Okla. Cleanup continues three days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

LaTisha Garcia LaTisha Garcia wipes a tear from her eye in front of her demolished home as she talks about carrying her injured daughter following Monday's tornado in Moore, Okla., Thursday, May 23, 2013. (AP Photo/Sue Ogrocki)

AP Photo/Sue Ogrocki

LaTisha Garcia, Jazmin Rodriguez Jazmin Rodriguez, left, looks up at her mother, LaTisha Garcia, right, following an interview in Moore, Okla., Thursday, May 23, 2013. Garcia carried her injured daughter away from a school that was hit by a tornado on Monday. (AP Photo/Sue Ogrocki)

AP Photo/Sue Ogrocki

LaTisha Garcia LaTisha Garcia finds her son's favorite truck as she digs through the rubble of her tornado demolished home following Monday's tornado in Moore, Okla., Thursday, May 23, 2013. Garcia carried her injured daughter away from a school that was hit by a tornado on Monday. (AP Photo/Sue Ogrocki)

AP Photo/Sue Ogrocki

Oklahoma Tornado An American flag flies in a tree in a neighborhood destroyed by Monday's tornado in Moore, Okla., Thuursday, May 23, 2013. (AP Photo/Sue Ogrocki)

AP Photo/Sue Ogrocki

Oklahoma Tornado A battered sign stands outside the wreckage of Plaza Towers Elementary School, where seven children were killed earlier in the week when a tornado hit Moore, Okla., Thursday, May 23, 2013. Cleanup continues three days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado A battered event sign stands outside the wreckage of Plaza Towers Elementary School, where seven children were killed earlier in the week when a tornado hit Moore, Okla., Thursday, May 23, 2013. Cleanup continues three days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Christine Jones, center, is comforted by her cousin, Ann Worden, right, as she both smiles and wipes away the tears as she talks about looking for lost wedding rings at her tornado demolished home in Moore, Okla., Thursday, May 23, 2013. At left is Matthew Trawick, who is helping look through the rubble. (AP Photo/Sue Ogrocki)

AP Photo/Sue Ogrocki

Oklahoma Tornado Kirk Guarnera takes a break from sorting through the rubble at his tornado-ravaged home Thursday, May 23, 2013, in Moore, Okla. Cleanup continues three days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Brittany Brown, left, and her grandmother Tracy Harville tend to Harville's cat "Kitty" after finding the cat buried in tornado rubble for two days at the Harville's destroyed home Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Brittany Brown rushes to get aid after finding her grandmother's cat "Kitty" which was buried in tornado rubble for two days at the grandmother's destroyed home Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado People take a break from searching for their belongings in Moore, Okla., Wednesday, May 22, 2013. A huge tornado roared through the Oklahoma City suburb on Monday, flattening everything in its path. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

Oklahoma Tornado The Children This undated handout photo provided by the Hornsby family, shows JaNae Hornsby. JaNae, who was killed when a tornado struck Plaza Towers Elementary School in Moore, Texas on May 20, 2013, is described by her father Joshua Hornsby as a "special baby" who made friends with everyone she met. (AP Photo/Courtesy of the Hornsby Family)

AP Photo/Courtesy of the Hornsby Family

Oklahoma Tornado The Children This undated handout photo provided by Brandie Candelaria shows Antonia Candelaria. Candelaria was killed when a tornado struck Plaza Towers Elementary School in Moore, Texas on Monday, May 20, 2013. (AP Photo/Courtesy of Brandie Candelaria)

AP Photo/Courtesy of Brandie Candelaria

Oklahoma Tornado James Pitts uses a sledge hammer to try to force open a friend's trunk in a tornado-ravaged car as residents sort through their tornado-ravaged homes Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Kevin Durant, Catie Mann, Diana Neal Oklahoma City Thunder's Kevin Durant, center, poses for a photo with Catie Mann, left, and Diana Neal, right, near Mann's tornado-damaged home in Moore, Okla., Wednesday, May 22, 2013. Durant donated $1 million to the American Red Cross for relief efforts. The Thunder matched the $1 million donation. (AP Photo/Sue Ogrocki)

AP Photo/Sue Ogrocki

Oklahoma Tornado Jesse Edgar takes a break in the shade while helping salvage items at a friend's home Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Kevin Durant, Randy Williams Oklahoma City Thunder's Kevin Durant walks past tornado damaged homes with his friend Randy Williams in a neighborhood in Moore, Okla., Wednesday, May 22, 2013. Durant donated $1 million to the American Red Cross for relief efforts. The Thunder matched the $1 million donation. (AP Photo/Sue Ogrocki)

AP Photo/Sue Ogrocki

Oklahoma Tornado The wreckage of a row of completely leveled homes sits adjacent to a row of partially-destroyed houses, two days after a tornado moved through Moore, Okla., Wednesday, May 22, 2013. The huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Brennan Linsley)

AP Photo/Brennan Linsley

Oklahoma Tornado Nick Balen holds his daughter Kinley while visiting the destroyed doctor's office where his wife worked and survived Monday's tornado, along with 13 other people, Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Eric Lowery looks at tornado-ravaged vehicles while retrieving items from his mohter's car at a destroyed strip mall Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado A worker removes clears debris from the tornado-ravaged Moore Medical Center Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado A search and rescue team from Tennessee search a field Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Jordan Evans looks through files as he helps salvage items from his father's destroyed insurance office Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Susan Kates salvages items from a friend's tornado-ravaged home Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado A tornado-ravaged home stands in the distance beyond a twisted street sign Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Rick Brown puts on a pair of boots after finding them in his tornado-ravaged home Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Claudia Clark clears tornado debris from a cemetery Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado A worker removes debris from tornado-stripped trees Wednesday, May 22, 2013, in Moore, Okla. Cleanup continues two days after a huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Tornado Damage Penny Phillips throws out a bag of salvaged clothing as she goes through the remains of her home on Tuesday, May 21, 2013 in Moore, Okla. that was destroyed by Monday's tornado in the area near 4th and Bryant. (AP Photo/The Oklahoman, Chris Landsberger)

AP Photo/The Oklahoman, Chris Landsberger

Oklahoma Tornado A man carries a drawer and a bag filled with clothes from Rachel Hernandez' home as residents of the Heatherwood Addition, on the south side of SE 4 and Bryant in Moore, Okla., returned to their homes Tuesday, May 21, 2013, to salvage any items after Monday's destructive tornado. (AP Photo/The Oklahoman, Jim Beckel)

AP Photo/The Oklahoman, Jim Beckel

OKLAHOMA TORNADO Vehículos dañados en el tornado del lunes en el Centro Médico Moore, el martes 21 de mayo de 2013, en Moore, Oklahoma. Un tornado de categoría máxima devastó el lunes este suburbio de Oklahoma City, provocando fuertes daños materiales y víctimas. (Foto AP/Tony Gutiérrez)

Foto AP/Tony Gutiérrez

Oklahoma Tornado A rescuer searches a neighborhood near Telephone Rd., in Moore, Okla., Tuesday, May 21, 2013. Rescue workers neared the end of the search for survivors and the dead in the Oklahoma City suburb where a mammoth tornado destroyed countless homes, cleared lots down to bare red earth and claimed 24 lives, including those of nine children. (AP Photo/The Oklahoman, Sarah Phipps)

AP Photo/The Oklahoman, Sarah Phipps

Oklahoma Tornado Katie Thomas retira el martes 21 de mayo de 2013 escombros de la guardería infantil de una amiga, destruida por el devastador tornado que azotó el lunes a Moore, un suburbio de Oklahoma City. . (Foto AP/Charlie Riedel)

Foto AP/Charlie Riedel

Oklahoma Tornado Jeff Thayer, right, and his son Heath look at a tornado-ravaged pickup truck belonging to another son Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Scott Perdue, Jeff Teel Scott Perdue, left, yells to his parents, Gene and Colleen Perdue, not pictured, that he has located his father's 1957 Chevy in what remains of their barn as his brother-in-law Jeff Teel takes a photo at the home of Gene and Colleen Perdue, 1409 SW 149th, in Oklahoma City, on Tuesday, May 21, 2013, after a tornado struck south Oklahoma City and Moore, Okla., on Monday. (AP Photo/The Oklahoman, Nate Billings)

AP Photo/The Oklahoman, Nate Billings

Oklahoma Tornado A firefighter watches vehicles pass by in front of a destroyed home north of SW 149th between Western and Santa Fe on Tuesday, May 21, 2013, after a tornado struck south Oklahoma City and Moore, Okla., on Monday. (AP Photo/The Oklahoman, Nate Billings)

AP Photo/The Oklahoman, Nate Billings

Severe Weather Storm clouds form over central Illinois corn and soybean grain bins Tuesday, May 21, 2013, in Pleasant Plains, Ill. Farmers and rural residents are paying close attention to weather forecast predicting destructive weather and tornados in the Midwest. A huge tornado roared through the Oklahoma City suburb Monday, flattening an entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Seth Perlman)

AP Photo/Seth Perlman

Oklahoma Tornado In this Tuesday, May 21, 2013 aerial photo traffic moves slowly along the northbound lanes of Interstate 35 as it runs through the city of Moore, Okla., which was hit by Monday's powerful tornado. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Tony Gutierrez)

AP Photo/Tony Gutierrez

APTOPIX Oklahoma Tornado In this aerial photo, a person, lower right, stand in front of a home demolished home by Monday's tornado, in Moore, Okla., Tuesday, May 21, 2013. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Tony Gutierrez)

AP Photo/Tony Gutierrez

Oklahoma Tornado A home in Moore, Okla. sits severely damaged Tuesday, May 21, 2013, after Monday's massive tornado moved through the area. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

John Curry John Curry looks over his son's destroyed home and land in Moore, Okla., on Tuesday, May 21, 2013. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

CORRECTION Oklahoma Tornado CORRECTS NAME OF SCHOOL TO PLAZA TOWERS ELEMENTARY SCHOOL - An aerial view shows Plaza Towers Elementary School with vehicles thrown about after Monday's tornado, Tuesday, May 21, 2013, in Moore, Okla. At least 24 people, including nine children, were killed in the massive tornado that flattened homes and a school in Moore, on Monday afternoon. (AP Photo/Tony Gutierrez)

AP Photo/Tony Gutierrez

Oklahoma Tornado Michelle Kelley peers into her friend's tornado-ravaged car Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Storm clouds build in the distance beyond tornado-ravaged homes Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Justin Stehan salvages photographs from his tornado-ravaged home Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Mary Fallin Oklahoma Gov. Mary Fallin looks out the window of a National Guard helicopter as she tours the tornado damage in Moore, Okla., Tuesday, May 21, 2013. (AP Photo/Sue Ogrocki, Pool)

AP Photo/Sue Ogrocki, Pool

Mary Fallin Wreckage of the Plaza Towers Elementary School in Moore, Okla., is pictured from a National Guard helicopter during a tour of tornado damaged areas by Oklahoma Gov. Mary Fallin, Tuesday, May 21, 2013. (AP Photo/Sue Ogrocki, Pool)

AP Photo/Sue Ogrocki, Pool

Oklahoma Tornado Storm clouds build in the distance beyond tornado-ravaged homes Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado A aerial view shows Moore Medical Center damaged from Monday's tornado, Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school. (AP Photo/Tony Gutierrez)

AP Photo/Tony Gutierrez

Oklahoma Tornado Emergency workers work around tornado-damaged building, Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school. (AP Photo/Tony Gutierrez)

AP Photo/Tony Gutierrez

Oklahoma Tornado Homes damaged by Monday's tornado are shown Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school. (AP Photo/Tony Gutierrez)

AP Photo/Tony Gutierrez

APTOPIX Oklahoma Tornado Jimmy Hodges helps Chad Heltcel and his wife Cassidi salvage the wreckage of Chad Heltcel's family home, which was destroyed Monday when a tornado moved through Moore, Okla., Tuesday, May 21, 2013. The huge tornado roared through the Oklahoma City suburb, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds.(AP Photo/Brennan Linsley)

AP Photo/Brennan Linsley

Oklahoma Tornado A damaged structure is seen following Monday's tornado Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school. (AP Photo/Tony Gutierrez)

AP Photo/Tony Gutierrez

Oklahoma Tornado Justin Stehan salvages photographs from his tornado-ravaged home Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Jim Stubblefield, of Norman, Okla., raises a tattered flag he found while helping his sister salvage items from her tornado-ravaged home Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado An unidentified man watches a rain storm from inside the garage of his tornado-damaged home Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado Victor Gonzalez seeks shelter from the rain under a sheet of plastic as he helps a friend salvage items from a tornado-ravaged home Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds. (AP Photo/Charlie Riedel)

AP Photo/Charlie Riedel

Oklahoma Tornado An aerial view shows the Monday tornado's path through a residential area Tuesday, May 21, 2013, in Moore, Okla. A huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school. (AP Photo/Tony Gutierrez)

AP Photo/Tony Gutierrez

Oklahoma Tornado A local resident allowed by security officers into an otherwise sealed off neighborhood walks past the rubble of destroyed homes, one day after a tornado moved through Moore, Okla., Tuesday, May 21, 2013. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. (AP Photo/Brennan Linsley)

AP Photo/Brennan Linsley

Oklahoma Tornado A member of a security team helps guard an area of rubble from a destroyed residential neighborhood, one day after a tornado moved through Moore, Okla., Tuesday, May 21, 2013. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against the winds. (AP Photo/Brennan Linsley)

AP Photo/Brennan Linsley

Moore Tornado A man searches debris near Telephone Road and SW 4th after a tornado moves through Moore, Okla. on Monday, May 20, 2013. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

Moore Tornado People go through the debris near Telephone Road and SW 4th Street after a tornado moves through Moore, Okla. on Monday, May 20, 2013. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

Moore Tornado Debris lays on the northbound lanes of I-35 just south of SW 4th street in Moore, Okla. after a tornado moves through the area on Monday, May 20, 2013. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

Moore Tornado A worker clears debris from the southbound lanes of I-35 in Moore, Okla. after a tornado moves through the area on Monday, May 20, 2013. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

Moore Tornado Two men go through the damage surrounding the Moore Medical Center and damaged vehicals after a tornado moves through Moore, Okla. on Monday, May 20, 2013. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

Oklahoma Tornado An American flag blows in the wind at sunrise atop the rubble of a destroyed home a day after a tornado moved through Moore, Okla., Tuesday, May 21, 2013. The monstrous tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. (AP Photo/Brennan Linsley)

AP Photo/Brennan Linsley

Severe Weather A tornado victim is loaded in an ambulance on Robinson and 142 in south Oklahoma City, Okla., Monday, May 20, 2013. (AP Photo/ The Oklahoman, David McDaniel)

AP Photo/ The Oklahoman, David McDaniel

Severe Weather Teachers carry children away from Briarwood Elementary school after a tornado destroyed the school in south Oklahoma City, Okla, Monday, May 20, 2013. Near SW 149th and Hudson. (AP Photo/ The Oklahoman, Paul Hellstern)

AP Photo/ The Oklahoman, Paul Hellstern

tornado Gene Tripp sits in his rocking chair where his home once stood after being destroyed by a tornado hit the area near 149th and Drexel on Monday, May 20, 2013 in Oklahoma City, Okla. (AP Photo/ The Oklahoman, Chris Landsberger)

AP Photo/ The Oklahoman, Chris Landsberger

Moore Tornado A couple after a tornado moves through Moore, Okla. on Monday, May 20, 2013. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

Severe Weather Two men attempt to pry open a door on this car to check for victims in a business parking lot west of I-35 south of 4th Street in Moore, on Monday, May 20, 2013.A monstrous tornado roared through the Oklahoma City suburbs, flattening entire neighborhoods with winds up to 200 mph, setting buildings on fire and landing a direct blow on an elementary school. (AP Photo/The Oklahoman, Jim Beckel)

AP Photo/The Oklahoman, Jim Beckel

Severe Weather Damaged cars lay ruined at a business parking lot west of Interstate 35, south of 4th Street in Moore, Okla., on Monday, May 20, 2013. (AP Photo/The Oklahoman, Jim Beckel)

AP Photo/The Oklahoman, Jim Beckel

Moore Tornado The Moore Medical Center and vehicles lay damaged after a tornado moves through Moore, Okla. on Monday, May 20, 2013. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

Moore Tornado A man searches a damaged home near SW 4th Street and Telephone Road after a tornado moved through Moore, Okla., on Monday, May 20, 2013. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

Severe Weather This aerial photo shows the remains of homes hit by a massive tornado in Moore, Okla., Monday May 20, 2013. A tornado roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school. (AP Photo/Steve Gooch)

AP Photo/Steve Gooch

Severe Weather Workers walk past the rubble of Plaza Towers Elementary School after a tornado moved through Moore, Okla., Monday, May 20, 2013. (AP Photo Sue Ogrocki)

AP Photo Sue Ogrocki

Severe Weather A Moore Medical Center patient sits in the parking lot after a tornado damaged the hospital in Moore, Okla. on Monday, May 20, 2013. (AP Photo/Alonzo Adams)

AP Photo/Alonzo Adams

Severe Weather Workers continue to dig through the rubble of Plaza Towers Elementary School after a tornado moved through Moore, Okla., Monday, May 20, 2013. (AP Photo Sue Ogrocki)

AP Photo Sue Ogrocki

Severe Weather This aerial photo shows the remains of homes hit by a massive tornado in Moore, Okla., Monday May 20, 2013. A tornado roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school. (AP Photo/Steve Gooch)

AP Photo/Steve Gooch

APTOPIX Severe Weather People react in front of the Plaza Towers Elementary school in Moore following a deadly tornado, Monday, May 20, 2013. (AP Photo/ The Oklahoman, Sarah Phipps)

AP Photo/ The Oklahoman, Sarah Phipps

Severe Weather People react in front of the Towers Plaza Elementary school in Moore following a deadly tornado, Monday, May 20, 2013. Photo by Sarah Phipps, The Oklahoman

Severe Weather This aerial photo shows the remains of homes hit by a massive tornado in Moore, Okla., Monday May 20, 2013. A tornado roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school. (AP Photo/Steve Gooch)

AP Photo/Steve Gooch

Severe Weather Clark Gardner, at left, and another man place an American flag on debris in a neighborhood off of Telephone Road in Moore, Okla., after a tornado moved through the area on Monday, May 20, 2013. (AP Photo/ The Oklahoman, Bryan Terry)

AP Photo/ The Oklahoman, Bryan Terry

Severe Weather Cindy Wilson texts to friends after her home was destroyed in the afternoon tornado. Cindy and her husband, Staff Sgt. B. Wilson, took cover in their home's bathtub when the tornado hit. Cindy received a deep gash to her forehead and her wound was treated by first responders at the scene. Tornado caused extensive damage in the Madison Place Addition, near SE 8 and Tower in Moore, on Monday, May 20, 2013. (AP Photo/ The Oklahoman, Jim Beckel)

AP Photo/ The Oklahoman, Jim Beckel

Severe Weather A man and a woman assist a state trooper carry a large tarp to cover a tornado victim found in a field across the street from the Madison Place Addition, near SE 8 and Tower in Moore, on Monday, May 20, 2013. (AP Photo/ The Oklahoman, Jim Beckel)

AP Photo/ The Oklahoman, Jim Beckel

Severe Weather This aerial photo shows the remains of homes hit by a massive tornado in Moore, Okla., Monday May 20, 2013. A tornado roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school. (AP Photo/Steve Gooch)

AP Photo/Steve Gooch

Severe Weather This aerial photo shows damage to Plaza Towers Elementary School after it was hit by a massive tornado in Moore, Okla., Monday May 20, 2013. A tornado roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school. (AP Photo/Steve Gooch)

AP Photo/Steve Gooch

cq TONICE WOODS, JEANETT MCALLISTER Shawna Scott, second from left, tries to help Jeanett McAllister, second from right, and McAllister's son, Tonice Woods, find McAllister's two nieces, Sabrina and Olivia Durkey, who are students at Briarwood Elementary, after a tornado struck south Oklahoma City and Moore, Okla., Monday, May 20, 2013. At left is Feliciana Hernando, Scott's niece. Scott has a home daycare near SW 156th and Vicki and went to Briarwood to pick up one of the children she watches. She took a group of students from the destroyed school to her home to wait for their parents. (AP Photo/ The Oklahoman, Nate Billings)