Oklahoma cleans up after severe storms

A large tornado passes just to the west of the city of Halstead, Kan., Wednesday, May 6, 2015. A swath of the Great Plains is under a tornado watch Wednesday, including parts of North Texas, Oklahoma, Kansas and Nebraska. (Travis Heying/The Wichita Eagle via AP)

Credit: Travis Heying

Credit: Travis Heying

A large tornado passes just to the west of the city of Halstead, Kan., Wednesday, May 6, 2015. A swath of the Great Plains is under a tornado watch Wednesday, including parts of North Texas, Oklahoma, Kansas and Nebraska. (Travis Heying/The Wichita Eagle via AP)