…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR SOUTHWESTERN DAVISON…SOUTHEASTERN AURORA…EASTERN DOUGLAS AND NORTHWESTERN HUTCHINSON COUNTIES… At 709 AM CDT, a severe thunderstorm was located 7 miles east of Corsica, or 14 miles west of Parkston, moving southeast at 35 mph. HAZARD…Ping pong ball size hail and 60 mph wind gusts.