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Home Return to list Severe Thunderstorm Warning 0359 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2025-09-16 18:07:03 352 WUUS55 KBOU 162306 SVRBOU COC001-005-121-162345- /O.NEW.KBOU.SV.W.0359.250916T2306Z-250916T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Denver CO 506 PM MDT Tue Sep 16 2025 The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Southeastern Adams County in northeastern Colorado... Northeastern Arapahoe County in northeastern Colorado... Southwestern Washington County in northeastern Colorado... * Until 545 PM MDT. * At 506 PM MDT, a severe thunderstorm was located 7 miles northwest of Cottonwood Valley, or 33 miles north of Limon, moving east at 25 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... Last Chance, Woodlin School and Cottonwood Valley. 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 3974 10394 3984 10395 3991 10347 3964 10342 3961 10384 3967 10393 TIME...MOT...LOC 2306Z 260DEG 23KT 3972 10387 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Danielson Action: Expired Issued At: 2025-09-16 18:44:34 599 WWUS55 KBOU 162344 SVSBOU Severe Weather Statement National Weather Service Denver CO 544 PM MDT Tue Sep 16 2025 COC001-005-121-162354- /O.EXP.KBOU.SV.W.0359.000000T0000Z-250916T2345Z/ Adams CO-Arapahoe CO-Washington CO- 544 PM MDT Tue Sep 16 2025 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 545 PM MDT FOR SOUTHEASTERN ADAMS, NORTHEASTERN ARAPAHOE AND SOUTHWESTERN WASHINGTON COUNTIES... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, small hail and gusty winds are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 900 PM MDT Tuesday for a portion of northeast Colorado. && LAT...LON 3974 10394 3984 10395 3991 10347 3964 10342 3961 10384 3967 10393 TIME...MOT...LOC 2306Z 260DEG 23KT 3972 10387 $$ Danielson |