


Special Weather Statement
Issued by NWS Bismarck, ND
Issued by NWS Bismarck, ND
614 WWUS83 KBIS 201256 SPSBIS Special Weather Statement National Weather Service Bismarck ND 656 AM MDT Sun Jul 20 2025 NDZ042-044-045-201330- Grant ND-Sioux ND-Adams ND- 656 AM MDT Sun Jul 20 2025 ...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN SIOUX... SOUTHWESTERN GRANT AND SOUTHEASTERN ADAMS COUNTIES THROUGH 730 AM MDT... At 655 AM MDT, Doppler radar was tracking a strong thunderstorm over Thunder Hawk, or 7 miles east of Lemmon, moving east at 30 mph. HAZARD...Wind gusts up to 50 mph and penny 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 southwestern Sioux, southwestern Grant and southeastern Adams Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. && LAT...LON 4595 10214 4604 10217 4617 10172 4594 10174 TIME...MOT...LOC 1255Z 265DEG 25KT 4596 10201 MAX HAIL SIZE...0.75 IN MAX WIND GUST...50 MPH $$ SMITH