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Home Return to list Severe Thunderstorm Warning 0021 Issued by the Grand Junction Forecast Office
Action: New Issued At: 2025-09-11 13:45:50 632 WUUS55 KGJT 111845 SVRGJT COC029-051-097-111915- /O.NEW.KGJT.SV.W.0021.250911T1845Z-250911T1915Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Grand Junction CO 1245 PM MDT Thu Sep 11 2025 The National Weather Service in Grand Junction has issued a * Severe Thunderstorm Warning for... Southwestern Pitkin County in west central Colorado... Northeastern Delta County in west central Colorado... Northwestern Gunnison County in west central Colorado... * Until 115 PM MDT. * At 1245 PM MDT, a severe thunderstorm was located 11 miles northeast of Paonia, or 38 miles northwest of Gunnison, moving northeast at 35 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... Marble, Redstone, and Somerset. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3883 10742 3898 10755 3924 10715 3902 10696 TIME...MOT...LOC 1845Z 235DEG 29KT 3895 10741 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ KAA Action: Continued Issued At: 2025-09-11 14:02:50 010 WWUS55 KGJT 111902 SVSGJT Severe Weather Statement National Weather Service Grand Junction CO 102 PM MDT Thu Sep 11 2025 COC029-111911- /O.CAN.KGJT.SV.W.0021.000000T0000Z-250911T1915Z/ Delta CO- 102 PM MDT Thu Sep 11 2025 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DELTA COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 3893 10733 3903 10742 3924 10715 3902 10696 TIME...MOT...LOC 1901Z 235DEG 29KT 3903 10727 $$ COC051-097-111915- /O.CON.KGJT.SV.W.0021.000000T0000Z-250911T1915Z/ Pitkin CO-Gunnison CO- 102 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM MDT FOR SOUTHWESTERN PITKIN AND NORTHWESTERN GUNNISON COUNTIES... At 101 PM MDT, a severe thunderstorm was located near Marble, or 35 miles south of Glenwood Springs, moving northeast at 35 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... Marble. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3893 10733 3903 10742 3924 10715 3902 10696 TIME...MOT...LOC 1901Z 235DEG 29KT 3903 10727 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ KAA Action: Cancelled Issued At: 2025-09-11 14:02:50 010 WWUS55 KGJT 111902 SVSGJT Severe Weather Statement National Weather Service Grand Junction CO 102 PM MDT Thu Sep 11 2025 COC029-111911- /O.CAN.KGJT.SV.W.0021.000000T0000Z-250911T1915Z/ Delta CO- 102 PM MDT Thu Sep 11 2025 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DELTA COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 3893 10733 3903 10742 3924 10715 3902 10696 TIME...MOT...LOC 1901Z 235DEG 29KT 3903 10727 $$ COC051-097-111915- /O.CON.KGJT.SV.W.0021.000000T0000Z-250911T1915Z/ Pitkin CO-Gunnison CO- 102 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM MDT FOR SOUTHWESTERN PITKIN AND NORTHWESTERN GUNNISON COUNTIES... At 101 PM MDT, a severe thunderstorm was located near Marble, or 35 miles south of Glenwood Springs, moving northeast at 35 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... Marble. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3893 10733 3903 10742 3924 10715 3902 10696 TIME...MOT...LOC 1901Z 235DEG 29KT 3903 10727 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ KAA Action: Expired Issued At: 2025-09-11 14:11:50 196 WWUS55 KGJT 111911 SVSGJT Severe Weather Statement National Weather Service Grand Junction CO 111 PM MDT Thu Sep 11 2025 COC051-097-111920- /O.EXP.KGJT.SV.W.0021.000000T0000Z-250911T1915Z/ Pitkin CO-Gunnison CO- 111 PM MDT Thu Sep 11 2025 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN PITKIN AND NORTHWESTERN GUNNISON COUNTIES WILL EXPIRE AT 115 PM MDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Grand Junction. && LAT...LON 3893 10733 3903 10742 3924 10715 3902 10696 TIME...MOT...LOC 1910Z 235DEG 29KT 3904 10725 $$ KAA |