WUUS55 KTFX 200502 SVRTFX MTC015-051-073-099-101-200630- /O.NEW.KTFX.SV.W.0147.250820T0502Z-250820T0630Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Great Falls MT 1102 PM MDT Tue Aug 19 2025 The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... Eastern Pondera County in north central Montana... Southwestern Liberty County in north central Montana... Southern Toole County in north central Montana... East central Teton County in north central Montana... Northwestern Chouteau County in north central Montana... * Until 1230 AM MDT. * At 1101 PM MDT, severe thunderstorms were located along a line extending from 9 miles west of Lothair to 11 miles northwest of The Knees to 11 miles east of Dutton, moving east at 15 mph. HAZARD...70 mph wind gusts. SOURCE...Trained weather spotters. At 1050 PM an Ambient Weather Station in Brady mesured a 66 mph Wind Gust. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Shelby, Conrad, Dutton, Brady, The Knees, Lothair, Collins, Ledger, Tiber Dam, Devon, Dunkirk, and Galata. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4857 11104 4818 11089 4780 11108 4778 11193 4819 11199 4856 11199 TIME...MOT...LOC 0501Z 254DEG 12KT 4849 11144 4814 11146 4784 11147 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH $$ IG