A funnel cloud is seen near Gilcrest, Colo., as it moves on its northwest pass over Gilcrest and then to Windsor, Colo. Thursday, May 22, 2008.
Houses are destroyed after a tornado touched down, Thursday, May 22, 2008 in Windsor, Colo. A second tornado touched down in the area near Johnstown, 8 miles southwest of Greeley, the National Weather Service reported. There were no immediate reports of injuries. All of northeastern Colorado was under a tornado watch through Thursday evening, the National Weather Service said.
Richard Beardmore, left, and Sarah Shafer sit atop the tree that fell and crushed his brother's car as a tornado ripped through Windsor, Colo. Thursday, May 22, 2008. A second tornado touched down in the area near Johnstown, 8 miles southwest of Greeley, the National Weather Service reported. There were no immediate reports of injuries. All of northeastern Colorado was under a tornado watch through Thursday evening, the National Weather Service said.
Twelve-year-old Jase Stadem picks up a piece of drywall in his family's damaged home in the north-central Colorado community of Windsor on Thursday, May 22, 2008, after a tornado hit the community. Tornadoes rolled through northern Colorado on Thursday, leaving a path of destruction through the region.
Bob Henderson points to the area where he hid under an S.U.V. while the storm passed over in Windsor, Colo. Thursday May 22, 2008. Tornadoes touched down in northern Colorado and southern Wyoming on Thursday, damaging buildings, flipping vehicles and killing at least one person.
Bob Henderson looks at debris in his front yard in Windsor, Colo. Thursday May 22, 2008. Tornadoes touched down in northern Colorado and southern Wyoming on Thursday, damaging buildings, flipping vehicles and killing at least one person.
Trains are derailed as a tornado passed through Windsor, Colo., Thursday, May 22, 2008 A second tornado touched down in the area near Johnstown, 8 miles southwest of Greeley, the National Weather Service reported. There were no immediate reports of injuries. All of northeastern Colorado was under a tornado watch through Thursday evening, the National Weather Service said.
Tossed from the parking lot across the street outside the headquarters of State Farm Insurance Company on the west side of Greeley, Colo., a Chevrolet Venture van lies crumpled in a vacant lot on Thursday, May 22, 2008. Tornadoes rolled through northern Colorado on Thursday, leaving a path of destruction through the region.
Colorado Dept. of Transportation workers remove debris from a truck that was hit by the roof of a nearby building when a tornado touched down, Thursday, May 22, 2008 in Windsor, Colo. A large tornado tore through several northern Colorado towns on Thursday, killing at least one person and flipping over tractor-trailers, toppling freight rail cars and ripping roofs off buildings.
A Colorado State Patrol trooper, right, directs a woman past the rubble of a building in the north-central Colorado community of Windsor on Thursday, May 22, 2008. Tornadoes rolled through northern Colorado on Thursday, leaving a path of destruction through the region.
An unidentified man uses a saw to cut a tree that fell after a tornado rolled through the north-central Colorado community of Windsor on Thursday, May 22, 2008. Tornadoes rolled through northern Colorado on Thursday, leaving a path of destruction through the region.
A road sign is twisted from the force of the tornado winds on the west side of Greeley, Colo., on Thursday, May 22, 2008. Tornadoes rolled through northern Colorado on Thursday, leaving a path of destruction through the region.
Kari Peter runs past her neighbors home, Thursday, May 22, 2008 in Windsor, Colo. A second tornado touched down in the area near Johnstown, 8 miles southwest of Greeley, the National Weather Service reported. There were no immediate reports of injuries. All of northeastern Colorado was under a tornado watch through Thursday evening, the National Weather Service said.