


Special Weather Statement
Issued by NWS Bismarck, ND
Issued by NWS Bismarck, ND
508 WWUS83 KBIS 180901 SPSBIS Special Weather Statement National Weather Service Bismarck ND 301 AM MDT Mon Aug 18 2025 NDZ040-180930- Slope ND- 301 AM MDT Mon Aug 18 2025 ...A STRONG THUNDERSTORM WILL IMPACT CENTRAL SLOPE COUNTY THROUGH 330 AM MDT... At 300 AM MDT, Doppler radar was tracking a strong thunderstorm 9 miles northeast of Marmarth, or 21 miles northwest of Bowman, moving northeast at 30 mph. HAZARD...Wind gusts up to 40 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This storm will remain over mainly rural areas of central Slope County. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. && LAT...LON 4662 10350 4638 10329 4628 10369 4628 10378 4640 10397 TIME...MOT...LOC 0900Z 240DEG 25KT 4636 10377 MAX HAIL SIZE...0.88 IN MAX WIND GUST...40 MPH $$ TELKEN