…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR NORTHWESTERN DAVISON…SOUTHWESTERN SANBORN…NORTHEASTERN AURORA AND SOUTHERN JERAULD COUNTIES… At 1002 AM CDT, a severe thunderstorm was located over Storla, or 11 miles northeast of Plankinton, moving east at 35 mph. HAZARD…60 mph wind gusts and quarter size hail.