Severe Thunderstorm Warning

Full Alert Message

BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Bismarck ND Issued by National Weather Service Grand Forks ND 445 PM MDT Tue Aug 11 2026 The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Southern Golden Valley County in southwestern North Dakota... Southwestern Billings County in southwestern North Dakota... Western Slope County in southwestern North Dakota... * Until 545 PM MDT. * At 444 PM MDT, a severe thunderstorm was located near Alpha, or 19 miles southeast of Beach, moving southeast at 25 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Alpha and Three V Crossing. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4668 10398 4683 10381 4663 10323 4630 10354 4655 10392 TIME...MOT...LOC 2244Z 305DEG 24KT 4669 10377 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH