WUUS53 KDTX 181927 SVRDTX MIC155-182030- /O.NEW.KDTX.SV.W.0032.260518T1927Z-260518T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Detroit/Pontiac MI 327 PM EDT Mon May 18 2026 The National Weather Service in Detroit/Pontiac has issued a * Severe Thunderstorm Warning for... Shiawassee County in southeastern Michigan... * Until 430 PM EDT. * At 327 PM EDT, severe thunderstorms were located along a line extending from 8 miles northwest of St. Johns to East Lansing to near Mason, moving northeast at 50 mph. HAZARD...70 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Severe thunderstorms will be near... Laingsburg around 335 PM EDT. Perry around 340 PM EDT. Owosso and Morrice around 345 PM EDT. Corunna and Henderson around 350 PM EDT. Bancroft around 355 PM EDT. Durand around 400 PM EDT. New Lothrop, Byron, and Lennon around 405 PM EDT. Other locations impacted by these severe thunderstorms include Juddville, Bennington, Shaftsburg, Carland, and Vernon. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4312 8436 4313 8393 4278 8392 4277 8436 4278 8437 TIME...MOT...LOC 1927Z 231DEG 43KT 4310 8465 4273 8448 4258 8450 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ Mann