WUUS55 KBOU 212157 SVRBOU COC075-212230- /O.NEW.KBOU.SV.W.0016.260521T2157Z-260521T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Denver CO 357 PM MDT Thu May 21 2026 The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Northwestern Logan County in northeastern Colorado... * Until 430 PM MDT. * At 357 PM MDT, a severe thunderstorm was located 4 miles west of North Sterling Reservoir, or 14 miles northwest of Sterling, moving east at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... North Sterling Reservoir and Padroni. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. && LAT...LON 4069 10344 4094 10345 4095 10312 4071 10307 TIME...MOT...LOC 2157Z 257DEG 16KT 4079 10335 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 63