Article Photos: Oklahoma tornadoes: National Weather Service reports continued severe weather risk for Monday 509/538

A man uses a chain saw to cut branches from a fallen tree on the roof of this home on US 177 north of I-40.  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.