Tornado aftermath

A National Oceanic and Atmospheric Administration (NOAA) aerial photo, released to Reuters on May 1, 2011 and taken from a King Air 350CER aircraft at an altitude of 5,000 feet, shows damage caused by last week's tornado over Tuscaloosa, Alabama. REUTERS/NOAA's National Geodetic Survey/Handout

Worshippers sign a makeshift crucifix folowing a Sunday church service at the site of the Phil Campbell Church of God, destroyed in a deadly tornado April 27, in Phil Campbell, Alabama May 1, 2011. REUTERS/Lee Celano

Robbie Thomas wipes her eyes as she recalls her experiences in the Rosedale Courts housing complex, in the aftermath of deadly tornadoes in Tuscaloosa, Alabama April 29, 2011. REUTERS/Lee Celano

U.S. Homeland Security Secretary Janet Napolitano inspects a home destroyed in tornadoes in Pratt City in Birmingham, Alabama, May 1, 2011. REUTERS/Michelle Campbell/Pool

Search dog Neko leads members of the Escambia, Florida, Search and Rescue team during a recovery operation at a badly damaged apartment complex in the aftermath of deadly tornados in Tuscaloosa, Alabama April 30, 2011. REUTERS/Lee Celano

Search dog Ryka leads a recovery operation in the Rosedale Courts housing complex, in the aftermath of deadly tornadoes in Tuscaloosa, Alabama April 29, 2011. REUTERS/Lee Celano

Reverend Silvester Williams of the Morning Star Baptist Church kneels as he preaches a service outside his damaged church in Pratt City, Alabama, May 1, 2011. REUTERS/Tami Chappell

Teressa Lambert (2nd L) prays with her daughter Rachael Gaudio and other churchgoers during a Sunday church service at the site of the Phil Campbell Church of God, destroyed in a deadly tornado April 27, in Phil Campbell, Alabama May 1, 2011. REUTERS/Lee Celano

Jonathan Burroughs of Tuscaloosa Fire and Rescue looks over a badly-damaged apartment complex during a recovery operation in the aftermath of deadly tornados in Tuscaloosa, Alabama April 30, 2011. REUTERS/Lee Celano

President Barack Obama tours damage caused by devastating severe storms and tornadoes in the Tuscaloosa, Alabama, area, April 29, 2011. REUTERS/Larry Downing

Josh Pierce sorts through items of a friend's home in Pleasant Grove, Alabama, April 29, 2011. REUTERS/Tami Chappell

Tuscaloosa, Alabama volunteers help clean up the Alberta Elementary School May 1, 2011. REUTERS/Marvin Gentry

David Vick stands in the doorway to his house in Pleasant Grove, Alabama, April 29, 2011. REUTERS/Tami Chappell

Laura Hudson hugs her cocker spaniel Nala after the dog was rescued from their home that was destroyed by a tornado in Pleasant Grove, Alabama, April 29, 2011. REUTERS/Tami Chappell

A woman sleeps in a Red Cross shelter following deadly tornadoes in Tuscaloosa, Alabama April 28, 2011. REUTERS/Lee Celano

Dell Abercrombie holds her son, Memphis, as they prepare to spend the night in a Red Cross shelter following deadly tornadoes in Tuscaloosa, Alabama April 28, 2011. REUTERS/Lee Celano

Modell Harkins salvages her belongings in the aftermath of deadly tornadoes in Tuscaloosa, Alabama April 29, 2011. REUTERS/Lee Celano

A couple who did not wish to be identified look over the remains at a neighborhood destroyed in Pratt City, Alabama, April 28, 2011. REUTERS/Tami Chappell

Ashla Sullivan (L) removes a couch from her destroyed house in the aftermath of deadly tornadoes in Tuscaloosa, Alabama April 28, 2011. REUTERS/Lee Celano

An aerial view shows extensive damage to homes in the path of tornadoes in Tuscaloosa, Alabama, April 28, 2011. REUTERS/Marvin Gentry

An aerial view shows extensive damage to homes and businesses in the path of tornadoes in Tuscaloosa, Alabama, April 28, 2011. REUTERS/Marvin Gentry

Church volunteers help carry items from a home destroyed in Pratt City, Alabama, April 28, 2011. REUTERS/Tami Chappell

Lisa Wilson (L) helps her daughter, Ashla Sullivan, into the living room of Sullivan's destroyed house in the aftermath of deadly tornadoes in Tuscaloosa, Alabama April 28, 2011. REUTERS/Lee Celano

Ken Baccile, who spent three days with back pain in his apartment after a a tornado badly damaged the building on Wednesday, is carried to an ambulance by paramedics during a recovery operation in the aftermath of deadly tornados in Tuscaloosa, Alabama April 30, 2011. REUTERS/Lee Celano

An aerial view shows extensive damage to homes and businesses in the path of tornadoes in Tuscaloosa, Alabama, April 28, 2011. REUTERS/Marvin Gentry

A woman looks over devastation in the aftermath of deadly tornadoes in Tuscaloosa, Alabama April 28, 2011. REUTERS/Lee Celano

An aerial view shows tornado damage to train trestles just outside Tuscaloosa, Alabama, April 28, 2011. REUTERS/Marvin Gentry

William and Dameata Carter hug one another as they stand in the middle of the remains of their house in Pratt City, Alabama, April 28, 2011. REUTERS/Tami Chappell

A neighborhood in ruins following overnight tornadoes in Pratt City, a suburb of Birmingham, Alabama, April 28, 2011. REUTERS/Marvin Gentry

Destroyed neighborhoods in Pratt City, a suburb of Birmingham, Alabama, following overnight tornadoes, April 28, 2011. REUTERS/Marvin Gentry

A police officer sprays paint on a damaged homes after overnight tornadoes left this part of Pratt City, a suburb of Birmingham, Alabama, in ruins, April 28, 2011. REUTERS/Marvin Gentry

The aftermath of overnight tornadoes in Pratt City, a suburb of Birmingham, Alabama, April 28, 2011. REUTERS/Marvin Gentry

A mattress is pictured atop a tree in the aftermath of overnight tornadoes that left this part of Pratt City, a suburb of Birmingham, Alabama, in ruins April 28, 2011. REUTERS/Marvin Gentry

Residents haul belongings amid destroyed strucures in the Rosedale Courts housing complex, in the aftermath of deadly tornados in Tuscaloosa, Alabama April 29, 2011. REUTERS/Lee Celano

President Barack Obama's assistant Reggie Love takes video using his iPad of damage caused by devastating severe storms and tornadoes in the Tuscaloosa, Alabama April 29, 2011. REUTERS/Larry Downing

Debris from overnight tornadoes in Pratt City, a suburb of Birmingham, Alabama, April 28, 2011. REUTERS/Marvin Gentry

A resident is pictured in the aftermath of overnight tornadoes in Pratt City, a suburb of Birmingham, Alabama, April 28, 2011. REUTERS/Marvin Gentry

A sheriff's deputy drives down a street without houses that were destroyed by a tornado in Phil Campbell, Alabama, April 30, 2011. REUTERS/Tami Chappell

Nine-year old Eric Chaney collects toys for a family friend, who survived but was left orphaned after his home was destroyed by a tornado, in Phil Campbell, Alabama, April 30, 2011. REUTERS/Tami Chappell

A sign sits in front of a house that was destroyed by a tornado in Phil Campbell, Alabama, April 30, 2011. REUTERS/Tami Chappell