Expires:202309210645;Remove:202309210645;731513 WUUS53 KFSD 210558 SVRFSD SDC003-015-023-210645- /O.NEW.KFSD.SV.W.0213.230921T0558Z-230921T0645Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Sioux Falls SD 1258 AM CDT Thu Sep 21 2023 The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Southwestern Aurora County in south central South Dakota... Northwestern Charles Mix County in south central South Dakota... Southern Brule County in south central South Dakota... * Until 145 AM CDT. * At 1258 AM CDT, a severe thunderstorm was located 15 miles southwest of Grass Ranch Colony, or 18 miles southwest of Kimball, moving east at 30 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * This severe thunderstorm will be near... Grass Ranch Colony around 115 AM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4380 9883 4352 9866 4350 9871 4344 9871 4328 9900 4333 9908 4337 9910 4344 9917 4344 9927 4347 9931 4353 9928 4357 9934 4363 9935 TIME...MOT...LOC 0558Z 250DEG 25KT 4350 9911 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ Weisser