2011 Spring Flooding: Sunday, May 8, 2011

Tony Neal sits on a friend's porch surrounded by floodwater Sunday, May 8, 2011, in Memphis, Tenn. More Memphis residents were being told Sunday to flee their homes for higher ground as the mighty Mississippi River edged toward the city, threatening to bring more flooding to parts of an area already soaked. (AP Photo/Jeff Roberson)

Two pickup trucks are seen surrounded by floodwater outside a garage Sunday, May 8, 2011, in Memphis, Tenn. More Memphis residents were being told Sunday to flee their homes for higher ground as the mighty Mississippi River edged toward the city, threatening to bring more flooding to parts of an area already soaked. (AP Photo/Jeff Roberson)

Caution tape floats in floodwater surrounding Mary Dugger's home Sunday, May 8, 2011, in Memphis, Tenn. Like other Memphis residents, Dugger has fled her home in search of higher ground as the Mississippi River edged toward the city. (AP Photo/Jeff Roberson)

People stand at the base of the Interstate 55 bridge crossing the Mississippi River to get a better look at flooding Sunday, May 8, 2011, in Memphis, Tenn. More Memphis residents were being told Sunday to flee their homes for higher ground as the mighty Mississippi River edged toward the city, threatening to bring more flooding to parts of an area already soaked. (AP Photo/Jeff Roberson)

Linda Casals leans over the Interstate 55 bridge crossing the Mississippi River to get a better look at flooding Sunday, May 8, 2011, in Memphis, Tenn. More Memphis residents were being told Sunday to flee their homes for higher ground as the mighty Mississippi River edged toward the city, threatening to bring more flooding to parts of an area already soaked. (AP Photo/Jeff Roberson)

Gary Dugger walks in his flooded backyard Sunday, May 8, 2011, in Memphis, Tenn. Dugger was hoping to wait out the flood in his home but rising water has forced him to flee for higher ground as the mighty Mississippi River edged toward the city, threatening to bring more flooding to parts of an area already soaked. (AP Photo/Jeff Roberson)