A tornado moves past homes in Moore, Okla. on Monday, May 20, 2013. (AP Photo/Alonzo Adams)
May 3, 2003, a group of intense supercell thunderstorms spawned multiple tornados that swept across Oklahoma and nearby states. One of the tornados touched down in the town of Moore, just south of Oklahoma City. The path of the tornado is visible in this high-resolution satellite image
USA State's political map with state's bird, flower and countour
Some area farmers are cutting and baling part of their wheat crop, like this acreage on E. Willow. Spring freezes have damaged wheat across several Oklahoma counties. (Staff Photo by BONNIE VCULEK)
A tornado moves past homes in Moore, Okla. on Monday, May 20, 2013. (AP Photo/Alonzo Adams)
A tornado moves past homes in Moore, Okla. on Monday, May 20, 2013. (AP Photo/Alonzo Adams)
A tornado moves past homes in Moore, Okla. on Monday, May 20, 2013. (AP Photo/Alonzo Adams)
See photo in original gallery.