Construction workers secure a damaged home to allow the owners to return and collect their belongings, Saturday, May 24, 2008 in Windsor, Colo.. Residents were allowed to return to their homes Saturday morning for the first time since a tornado hit parts of Windsor on Thursday.
Homes and vehicles received severe damage from a tornado that hit northern Colorado on Thursday. Residents of some areas of the town of Windsor were allowed to return to their damaged homes for the first time since the storm, Saturday morning, May 24, 2008 . Windsor, Colo.
Residents remove personal items and valuables from their tornado damaged homes for the first time since a tornado hit the area earlier in the week, Saturday, May 24, 2008 in Windsor, Colo.,
Travis McNeece steps over debris during a walk through of his property Saturday morning, May 24, 2008 in Windsor, Colo. Residents were allowed to return to their damaged homes this morning for the first time since a tornado hit parts of the town.
An old barn stands in a wheat field as a sever thunderstorm passes in the distance near Ogallah, Kan., on Thursday, May 22, 2008. Severe thunderstorms dropped tornadoes across much of northwest Kansas.
Houses lay demolished after severe thunderstorms swept through parts of Minnesota, causing damage Sunday, May 25, 2008 in Hugo, Minn., where one a young child died and nine others were injured. Residents reported a tornado touching down in the area, but that hadn't been confirmed by the National Weather Service.
Friends and family members of Burnard and Colleen Simonson help pick up items on Saturday, May 24, 2008, after a Friday evening tornado destroyed their home west of Cunningham, Kan. No one was injured but the couple survived by huddling in their bath tub and being covered by carpet that blew over them.
Pratt County Emergency Management Director Mark McManaman, left, and the National Weather Service's Jennifer Ritterling and Jeff Hutton look over the car belonging to Gary S. Whitlow, 33, and his wife, Kimberly S. Whitlow, 29, of Rocky Ford, Colo., who were killed when their car was swept off the road by a tornado on Friday evening while traveling on U.S. 54 east of Pratt, Kan., Saturday, May 24, 2008.
Lightning strikes during a storm that produced multiple tornadoes east of Marshall, Okla., Saturday, May 24, 2008. Several tornadoes touched down Saturday in northwestern Oklahoma. A twister destroyed three barns at a hog farm near Lacey in Kingfisher County, about 75 miles northwest of Oklahoma City, said Michelann Ooten, a spokeswoman for the Oklahoma Emergency Management Department.
Clouds lower from a storm that produced multiple tornadoes east of Marshall, Okla., Saturday, May 24, 2008. Several tornadoes touched down Saturday in northwestern Oklahoma. A twister destroyed three barns at a hog farm near Lacey in Kingfisher County, about 75 miles northwest of Oklahoma City, said Michelann Ooten, a spokeswoman for the Oklahoma Emergency Management Department.
Houses are seen pushed away from their foundations after a severe storm swept through Hugo, Minn. on Sunday, May 25, 2008.
An aerial view of damage caused by a severe storm Sunday, May 25, 2008 in Hugo, Minn. ¦ At least 20 people were unaccounted for after a swift storm blew through the St. Paul suburb of Hugo, damaging about four dozen homes, City Administrator Mike Ericson said. Many of them could be out of town for the holiday weekend, he said. Ericson said a 2-year-old child died.
An aerial view of damage caused by a severe storm Sunday, May 25, 2008 in Hugo, Minn. ¦ At least 20 people were unaccounted for after a swift storm blew through the St. Paul suburb of Hugo, damaging about four dozen homes, City Administrator Mike Ericson said. Many of them could be out of town for the holiday weekend, he said. Ericson said a 2-year-old child died.
Firefighters search a house for survivors after a powerful storm struck in Parkersburg, Iowa, on Sunday, May 25, 2008.
The floor of a house is all that remains after a tornado struck in Parkersburg, Iowa, on Sunday, May 25, 2008.
Debris covers the site of several homes after a powerful storm swept through Hugo, Minn. on Sunday, May 25, 2008.
Part of a house's roof sits in a swampy area, lower right, after severe storm swept through Hugo, Minn. on Sunday, May 25, 2008.
People evacuate their homes after a severe storm hit the town of Parkersburg, Iowa on Sunday, May 25, 2008.
An unidentified woman is taken to Aplington-Parkersburg High School for medical care by fire fighters after a powerful storm ripped through the town of Parkersburg, Iowa, Sunday May 25, 2008.
A path of destruction is seen after a severe storm swept through Hugo, Minn. on Sunday, May 25, 2008.
Both intact and destroyed houses are seen after a severe storm swept through Hugo, Minn., Sunday, May 25, 2008.
A path of destruction is seen after a severe storm swept through Hugo, Minn., Sunday, May 25, 2008.
A narrow path of destruction is visible across upper portion of photo showing where a severe storm swept through Hugo, Minn., Sunday, May 25, 2008.
Dennis Schipper looks over his flattened home after a powerful storm ripped through the town of Parkersburg, Iowa, Sunday, May 25, 2008.
Cars damaged by a powerful storm are seen in Parkersburg, Iowa, Sunday, May 25, 2008.