496 WGUS75 KBOU 220508 FFSBOU Flash Flood Statement National Weather Service Denver CO 1108 PM MDT Thu May 21 2026 COC121-220645- /O.CON.KBOU.FF.W.0001.000000T0000Z-260522T0645Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Washington CO- 1108 PM MDT Thu May 21 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM MDT FRIDAY FOR SOUTHEASTERN WASHINGTON COUNTY... At 1108 PM MDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, gulches, roads, and poor drainage and low-lying areas. Some locations that will experience flash flooding include... Cope. This includes the following streams and drainages... Gordon Creek, Arikaree River and North Fork Arikaree River. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads. && LAT...LON 3971 10315 3974 10280 3957 10280 3957 10315 3971 10317 FLASH FLOOD...RADAR AND GAUGE INDICATED $$ Meier  114 WGUS75 KBOU 220509 FFSBOU Flash Flood Statement National Weather Service Denver CO 1109 PM MDT Thu May 21 2026 COC121-220645- /O.CON.KBOU.FF.W.0001.000000T0000Z-260522T0645Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Washington CO- 1109 PM MDT Thu May 21 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM MDT FRIDAY FOR SOUTHEASTERN WASHINGTON COUNTY... At 1109 PM MDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, gulches, roads, and poor drainage and low-lying areas. Some locations that will experience flash flooding include... Cope. This includes the following streams and drainages... Gordon Creek, Arikaree River and North Fork Arikaree River. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads. && LAT...LON 3971 10315 3974 10280 3957 10280 3957 10315 3971 10317 FLASH FLOOD...RADAR AND GAUGE INDICATED $$ Meier  426 WUUS53 KGLD 220510 SVRGLD COC125-220600- /O.NEW.KGLD.SV.W.0057.260522T0510Z-260522T0600Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Goodland KS 1110 PM MDT Thu May 21 2026 The National Weather Service in Goodland has issued a * Severe Thunderstorm Warning for... Southwestern Yuma County in northeastern Colorado... * Until midnight MDT. * At 1110 PM MDT, a severe thunderstorm was located 12 miles east of Cope, or 23 miles west of Bonny Reservoir, moving east at 15 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will remain over mainly rural areas of southwestern Yuma County, including the following locations... Joes and Kirk. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. This thunderstorm is producing accumulating hail, which will make driving hazardous, similar to snow or ice. If you must travel, be aware of rapidly changing road conditions. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3973 10270 3986 10238 3957 10234 3957 10270 TIME...MOT...LOC 0510Z 252DEG 11KT 3965 10261 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ JRM  753 WWUS53 KGLD 220524 SVSGLD Severe Weather Statement National Weather Service Goodland KS 1124 PM MDT Thu May 21 2026 COC125-220600- /O.CON.KGLD.SV.W.0057.000000T0000Z-260522T0600Z/ Yuma CO- 1124 PM MDT Thu May 21 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT FOR SOUTHWESTERN YUMA COUNTY... At 1124 PM MDT, a severe thunderstorm was located 15 miles east of Cope, or 20 miles west of Bonny Reservoir, moving east at 15 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Kirk. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. This thunderstorm is producing accumulating hail, which will make driving hazardous, similar to snow or ice. If you must travel, be aware of rapidly changing road conditions. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3986 10238 3957 10234 3957 10265 3975 10266 TIME...MOT...LOC 0524Z 252DEG 11KT 3966 10256 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ JRM  421 WWUS53 KGLD 220545 SVSGLD Severe Weather Statement National Weather Service Goodland KS 1145 PM MDT Thu May 21 2026 COC125-220555- /O.CAN.KGLD.SV.W.0057.000000T0000Z-260522T0600Z/ Yuma CO- 1145 PM MDT Thu May 21 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN YUMA COUNTY IS CANCELLED... 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 has been cancelled. However, gusty winds and heavy rain are still possible with this thunderstorm. && LAT...LON 3986 10238 3957 10234 3957 10265 3975 10266 TIME...MOT...LOC 0600Z 252DEG 11KT 3969 10242 $$ JRM