AP Photo/The Wichita Eagle, Travis Heying A tornado touches down southwest of Wichita, Kan., near the town of Viola on Sunday, May 19, 2013. The tornado was part of a line of storms that past through the central plains on Sunday.
AP Photo/The Oklahoman, Bryan Terry Jerry Dirks, at right, hugs her friend Earlene Langley after a tornado hit Driks’ home just south of Carney Okla., on Sunday. Dirks was in her cellar at the time the tornado hit.
AP Photo/Sean Murphy Residents of Edmond, Okla., survey storm damage from a tornado that hit their neighborhood Sunday.
AP Photo/Sean Murphy People survey damage from a tornado that hit Edmond, Okla., on Sunday. A powerful storm system rumbled through the Plains and upper Midwest on Sunday, spawning tornadoes that damaged roofs and structures near Oklahoma City and kicked up debris in Wichita, Kan.
AP Photo/The Oklahoman, Paul Helstern Trees uprooted at a home at Persimmon Creek and Yucca in the Arrowhead Hills addition in Edmond, Okla., lie across a lawn after a tornado touched down Sunday.
AP Photo/The Globe Gazette, Arian Schuessler June McFarland reacts to the first sight of storm damage in rural Osage, Iowa on Sunday. A powerful weather system moved through the area on Sunday afternoon triggering tornado warnings, high winds and hail.
Friends and neighbors help out a resident in Lyon County just south of Emporia, Kan., Sunday evening, May 19, 2013 after an apparent tornado touched down. MATTHEW FOWLER/EMPORIA GAZETTE/AP