In Henryville, Ind., on Sunday, Janet Clark stood outside what remains of her home, which was destroyed in Friday's tornado. Scott Olson/Getty Images hide caption

toggle caption Scott Olson/Getty Images
Erica Peterson reporting on 'Morning Edition'
  • Download
  • <iframe src="https://www.npr.org/player/embed/147952692/147953193" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

The areas inside the red lines are where tornadoes were being reported at 11:36 a.m. ET. National Weather Service hide caption

toggle caption National Weather Service

A cross stood atop a church that was severely damaged by a tornado Sunday in Joplin, Mo., as a severe storm passed overhead earlier today (May 23, 2011). Charlie Riedel/AP hide caption

toggle caption Charlie Riedel/AP
Mary Louise Kelly speaks with Jon Hamilton
  • <iframe src="https://www.npr.org/player/embed/136582179/136582100" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Homeowner Marilyn Latham stood in the wreckage of her devastated home in the Alberta City community of Tuscaloosa, Ala., on Saturday (May 7, 2011). Dave Martin/AP hide caption

toggle caption Dave Martin/AP