Beverly Winans hugged daughter Debbie Surlin while salvaging items from Winans' home in Joplin, Mo., on Wednesday. Tornadoes claimed lives in Oklahoma on Wednesday, but warning systems saved many more.
Beverly Winans hugged daughter Debbie Surlin while salvaging items from Winans' home in Joplin, Mo., on Wednesday. Tornadoes claimed lives in Oklahoma on Wednesday, but warning systems saved many more. ASSOCIATED PRESS
Beverly Winans hugged daughter Debbie Surlin while salvaging items from Winans' home in Joplin, Mo., on Wednesday. Tornadoes claimed lives in Oklahoma on Wednesday, but warning systems saved many more. ASSOCIATED PRESS

Warmer world, more moisture

May 26, 2011 06:03 AM

UPDATED November 10, 2015 01:35 PM

More Videos

  • How America's big and small counties differ

    The 325 million people in the United States live in two very different areas: Big-county America and small-county America.