921 WGUS75 KGJT 112104 FFSGJT Flash Flood Statement National Weather Service Grand Junction CO 304 PM MDT Thu Sep 11 2025 COC033-083-112114- /O.CAN.KGJT.FF.W.0024.000000T0000Z-250911T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dolores CO-Montezuma CO- 304 PM MDT Thu Sep 11 2025 ...FLASH FLOOD WARNING FOR THE STONER MESA BURN SCAR IS CANCELLED FOR CENTRAL DOLORES AND NORTHEASTERN MONTEZUMA COUNTIES... Heavy rain has ended over the Stoner Mesa Fire. If flooding has been observed...Please report it to your local law enforcement agency. Flooding is no longer expected to pose a threat. A Flood Watch remains in effect until 1200 AM MDT Saturday for portions of Colorado and Utah. && LAT...LON 3765 10826 3766 10824 3768 10823 3769 10821 3769 10813 3766 10814 3765 10820 3764 10823 3760 10830 3759 10831 3759 10833 3761 10831 3763 10828 $$ ERW  812 WUUS55 KGJT 112121 SVRGJT COC067-112200- /O.NEW.KGJT.SV.W.0022.250911T2121Z-250911T2200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Grand Junction CO 321 PM MDT Thu Sep 11 2025 The National Weather Service in Grand Junction has issued a * Severe Thunderstorm Warning for... South central La Plata County in southwestern Colorado... * Until 400 PM MDT. * At 320 PM MDT, a severe thunderstorm was located 11 miles northwest of Cedar Hill, or 14 miles southwest of Durango, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. Very heavy rainfall can also be expected. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Durango and Bondad. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3708 10815 3728 10789 3708 10768 3700 10801 3700 10805 TIME...MOT...LOC 2120Z 238DEG 28KT 3709 10798 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 15  688 WWUS55 KGJT 112136 SVSGJT Severe Weather Statement National Weather Service Grand Junction CO 336 PM MDT Thu Sep 11 2025 COC067-112200- /O.CON.KGJT.SV.W.0022.000000T0000Z-250911T2200Z/ La Plata CO- 336 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM MDT FOR SOUTH CENTRAL LA PLATA COUNTY... At 336 PM MDT, a severe thunderstorm was located 8 miles south of Durango, moving northeast at 30 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... Durango and Bondad. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3714 10806 3728 10789 3708 10768 3705 10793 3709 10801 TIME...MOT...LOC 2136Z 223DEG 25KT 3716 10788 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 15  397 WUUS55 KRIW 112141 SVRRIW WYC013-112215- /O.NEW.KRIW.SV.W.0105.250911T2141Z-250911T2215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Riverton WY 341 PM MDT Thu Sep 11 2025 The National Weather Service in Riverton has issued a * Severe Thunderstorm Warning for... Southeastern Fremont County in central Wyoming... * Until 415 PM MDT. * At 338 PM MDT, an area of strong, gusty winds produced by a thunderstorm was located over Hudson, which is 10 miles northeast of Lander, moving northeast at 60 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Riverton and Arapahoe around 345 PM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4280 10845 4288 10872 4316 10877 4306 10821 TIME...MOT...LOC 2138Z 209DEG 51KT 4290 10855 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Myers  135 WGUS55 KTWC 112142 FFWTWC AZC003-112345- /O.NEW.KTWC.FF.W.0049.250911T2142Z-250911T2345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tucson AZ 242 PM MST Thu Sep 11 2025 The National Weather Service in Tucson has issued a * Flash Flood Warning for... West Central Cochise County in southeastern Arizona... * Until 445 PM MST. * At 242 PM MST, Doppler radar indicated thunderstorms between 1.00 and 1.50 inches of heavy heavy rain has fallen generally northeast of Benson, north of Interstate-10. Flash flooding is ongoing or expected to begin shortly especially along washes that drain into the San Pedro River north of Interstate-10. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Benson. This includes Interstate 10 between mile markers 307 and 315. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3206 11023 3201 11031 3195 11027 3196 11018 3200 11013 3208 11018 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ CWR  865 WUUS55 KGJT 112148 SVRGJT COC067-112230- /O.NEW.KGJT.SV.W.0023.250911T2148Z-250911T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Grand Junction CO 348 PM MDT Thu Sep 11 2025 The National Weather Service in Grand Junction has issued a * Severe Thunderstorm Warning for... Southeastern La Plata County in southwestern Colorado... * Until 430 PM MDT. * At 347 PM MDT, a severe thunderstorm was located near Durango, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Durango, Bayfield, Vallecito, and Falfa. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3712 10786 3721 10795 3748 10765 3728 10749 TIME...MOT...LOC 2147Z 223DEG 24KT 3722 10781 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 15  623 WHUS52 KMFL 112149 SMWMFL AMZ630-651-112215- /O.NEW.KMFL.MA.W.0337.250911T2149Z-250911T2215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Miami FL 549 PM EDT Thu Sep 11 2025 The National Weather Service in Miami has issued a * Special Marine Warning for... Biscayne Bay... Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM... * Until 615 PM EDT. * At 549 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Black Point, moving southeast at 10 knots. HAZARD...Waterspouts and wind gusts to 40 knots. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Soldier Key, Convoy Point, Black Point, Biscayne Bay, and Coral Gables. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter. && LAT...LON 2534 8025 2546 8035 2551 8035 2563 8030 2567 8026 2559 8013 TIME...MOT...LOC 2149Z 321DEG 10KT 2557 8031 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...40KTS $$ ATV  240 WWUS55 KRIW 112157 SVSRIW Severe Weather Statement National Weather Service Riverton WY 357 PM MDT Thu Sep 11 2025 WYC013-112215- /O.CON.KRIW.SV.W.0105.000000T0000Z-250911T2215Z/ Fremont- 357 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM MDT FOR EASTERN FREMONT COUNTY... At 356 PM MDT, an area of strong, gusty winds produced by a thunderstorm was located near Riverton, moving northeast at 60 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of eastern Fremont County, including the following locations... Arapahoe Elementary School, St Stephens, Fremont County Fairgrounds, and Riverton Regional Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4294 10832 4298 10874 4299 10874 4315 10873 4306 10821 TIME...MOT...LOC 2156Z 209DEG 51KT 4313 10838 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Myers  923 WWUS55 KGJT 112158 SVSGJT Severe Weather Statement National Weather Service Grand Junction CO 358 PM MDT Thu Sep 11 2025 COC067-112230- /O.CON.KGJT.SV.W.0023.000000T0000Z-250911T2230Z/ La Plata CO- 358 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM MDT FOR EAST CENTRAL LA PLATA COUNTY... At 357 PM MDT, a severe thunderstorm was located 7 miles west of Bayfield, or 8 miles east of Durango, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. Local storm spotters also reported quarter sized hail near the airport turnoff along Highway 550. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Durango, Bayfield, Vallecito, and Falfa. 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 3717 10781 3725 10790 3748 10765 3728 10749 TIME...MOT...LOC 2157Z 230DEG 25KT 3727 10772 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 15