


Severe Thunderstorm Warning
Issued by NWS Grand Forks, ND
Issued by NWS Grand Forks, ND
773 WUUS53 KFGF 220055 SVRFGF MNC089-113-119-125-220145- /O.NEW.KFGF.SV.W.0173.250822T0055Z-250822T0145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Grand Forks ND 755 PM CDT Thu Aug 21 2025 The National Weather Service in Grand Forks has issued a * Severe Thunderstorm Warning for... South central Marshall County in northwestern Minnesota... Northwestern Red Lake County in northwestern Minnesota... North central Polk County in northwestern Minnesota... Western Pennington County in northwestern Minnesota... * Until 845 PM CDT. * At 755 PM CDT, a severe thunderstorm was located over Carpenters Corner, or 15 miles west of Thief River Falls, moving southeast at 20 mph. HAZARD...Ping pong 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... Thief River Falls, St. Hilaire, Viking, Rosewood, Dorothy, Hazel, and Carpenters Corner. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4816 9664 4827 9646 4807 9599 4787 9648 TIME...MOT...LOC 0055Z 316DEG 19KT 4816 9650 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Rafferty