APTOPIX Severe Weather Nebraska

Brandon Houts walks from his house through floodwater to get supplies from a friend Thursday, May 7, 2015, in De Witt, Neb. Communities in several southern Plains states set to work cleaning up Thursday after a night of storms that spawned tornadoes, assessing the damage under sunny skies but with the threat of even worse weather on the horizon. (Matt Ryerson/The Journal-Star via AP)