Tornado, severe weather outbreak possible in Oklahoma on Sunday – The Washington Post

Those initial storms could be supercells or rotating thunderstorms, especially southwest of Oklahoma City, including along the H.E. Bailey Turnpike; cities like Chickasaw and Lawton ought to pay close attention. Any supercell will be capable of destructive hail at roughly the size of a baseball, straight-line winds to 80 mph and tornadoes, some strong.