SVRMPX The National Weather Service in the Twin Cities has issued a * Severe Thunderstorm Warning for. Northwestern Sibley County in central Minnesota. West central McLeod County in central Minnesota. East central Renville County in central Minnesota. * Until 1215 AM CDT. * At 1150 PM CDT, a severe thunderstorm was located 6 miles south of Buffalo Lake, or 21 miles southwest of Hutchinson, moving northeast at 30 mph. HAZARD. 60 mph wind gusts and quarter size hail. SOURCE. Radar indicated. IMPACT. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include. Brownton, Buffalo Lake, and Stewart. This includes U.S. Highway 212 between mile markers 92 and 107.