89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

A second storm moves in on May 23, 2011 in Joplin, Missouri. Rainstorms Monday delayed rescue efforts.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

An overturned car lies in the foundation of a home near St. John's Regional Medical Center on May 23, 2011 in Joplin, Missouri.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

A tattered flag flutters in trees stripped of bark near St. John's Regional Medical Center on May 23, 2011 in Joplin, Missouri.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

Debris and destroyed trees lie in the yard of a home near St. John's Regional Medical Center on May 23, 2011 in Joplin, Missouri.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

A tree stripped of bark and leaves still stands near St. John's Regional Medical Center on May 23, 2011 in Joplin, Missouri.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

A decorative brick rests on the foundation of a home near St. John's Regional Medical Center on May 23, 2011 in Joplin, Missouri.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

Jim Martin videotapes the damage as he and his wife attempt to salvage medication from her brother's home before a second storm moves in on May 23, 2011 in Joplin, Missouri. "Twenty minutes before the storm, he left to go to church. He would have been in that basement if he hadn't gone." Janet Martin said.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

Destroyed homes and debris cover the ground as a second storm moves in on May 23, 2011 in Joplin, Missouri. A powerful tornado ripped through the densely populated town of Joplin yesterday killing at least 89 people.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

A tree stripped of bark and leaves frames St. John's Regional Medical Center on May 23, 2011 in Joplin, Missouri. Rainstorms Monday delayed rescue efforts.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

Janet Martin attempts to salvage medication and mementos from her brother's home before a second storm moves in, on May 23, 2011 in Joplin, Missouri. "Twenty minutes before the storm, he left to go to church. He would have been in that basement if he hadn't gone," Martin said. A powerful tornado ripped through the densely populated town of Joplin yesterday killing at least 89 people.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

A second storm moves in on May 23, 2011 in Joplin, Missouri. Rainstorms Monday delayed rescue efforts.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

Residents drive through streets as storm clouds gather on May 23, 2011 in Joplin, Missouri. Rainstorms Monday delayed rescue efforts.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

Janet Martin attempts to salvage medication and mementos from her brother's home before a second storm moves in, on May 23, 2011 in Joplin, Missouri. "Twenty minutes before the storm, he left to go to church. He would have been in that basement if he hadn't gone," Martin said. A powerful tornado ripped through the densely populated town of Joplin yesterday killing at least 89 people.

89 Dead As Major Tornado Devastates Joplin, Missouri

(credit: Julie Denesha/Getty Images)

Uprooted trees are strewn on the lawn of homes near St. John's Regional Medical Center on May 23, 2011 in Joplin, Missouri.