…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR NORTHERN DAVISON…SOUTHWESTERN SANBORN…NORTHERN AURORA AND EASTERN JERAULD COUNTIES… At 947 PM CDT, a severe thunderstorm was located near Storla, or 17 miles north of Plankinton, moving southeast at 25 mph. HAZARD…Golf ball size hail and 70 mph wind gusts.