WUUS55 KBOU 212252 SVRBOU COC121-212330- /O.NEW.KBOU.SV.W.0109.260621T2252Z-260621T2330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Denver CO 452 PM MDT Sun Jun 21 2026 The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Southeastern Washington County in northeastern Colorado... * Until 530 PM MDT. * At 452 PM MDT, a severe thunderstorm was located near Arickaree School, or 33 miles south of Akron, 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... Arickaree School and Cope. 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. && LAT...LON 3959 10316 3986 10315 3985 10280 3958 10280 TIME...MOT...LOC 2252Z 272DEG 19KT 3970 10301 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 63