Article Photos: Oklahoma tornado: EF5 tornadoes like Monday's are very rare 501/548

This tractor-trailer was crumpled after it was lifted from the interstate and dropped on US 177 about 20 feet below. A tornado caused extensive damage along I-40 at the junction with  US 177 on the west side of Shawnee Sunday evening,  May 19,  2013.  Photo  by Jim Beckel, The Oklahoman.