068 WGUS55 KTWC 120011 FFWTWC AZC019-120300- /O.NEW.KTWC.FF.W.0050.250912T0011Z-250912T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tucson AZ 511 PM MST Thu Sep 11 2025 The National Weather Service in Tucson has issued a * Flash Flood Warning for... Eastern Pima County in southeastern Arizona... * Until 800 PM MST. * At 511 PM MST, Doppler radar indicated thunderstorms earlier this afternoon had produced between 1 and 2 inches of rainfall, that has resulted in flash flooding within the Tanque Verde Creek. The latest observation at Chiva Tank in the upper reaches of the Tanque Verde Creek reported 3 feet of water, which will make its way downstream to the Tanque Verde Falls between 530 and 545 pm MST, and down to near the where the creek nears Tanque Verde Guest Ranch by 7 pm MST. Flash flooding is already occurring. 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... Tucson, Tanque Verde, Saguaro National Park East and Catalina Foothills. This includes the following Flash Flood Prone Locations... Wentworth Rd at Tanque Verde Wash. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3227 11050 3230 11056 3228 11060 3226 11065 3225 11068 3224 11070 3224 11076 3225 11080 3226 11082 3225 11082 3224 11079 3223 11078 3223 11070 3226 11064 3226 11061 3223 11055 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ CWR  810 WWUS55 KCYS 120015 SVSCYS Severe Weather Statement National Weather Service Cheyenne WY 615 PM MDT Thu Sep 11 2025 NEC045-165-120030- /O.CON.KCYS.SV.W.0305.000000T0000Z-250912T0030Z/ Dawes NE-Sioux NE- 615 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR SOUTHWESTERN DAWES AND NORTHEASTERN SIOUX COUNTIES... At 615 PM MDT, a severe thunderstorm was located over Whitney Lake, or 17 miles west of Chadron, moving northeast at 40 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Crawford, Whitney Lake, Soldier Creek Campground, Fort Robinson State Park, and Belmont. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4245 10371 4250 10379 4265 10382 4277 10366 4292 10339 4261 10311 TIME...MOT...LOC 0015Z 241DEG 35KT 4275 10333 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Mose  497 WUUS55 KGJT 120015 SVRGJT COC033-083-113-120045- /O.NEW.KGJT.SV.W.0024.250912T0015Z-250912T0045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Grand Junction CO 615 PM MDT Thu Sep 11 2025 The National Weather Service in Grand Junction has issued a * Severe Thunderstorm Warning for... Central Dolores County in southwestern Colorado... South central San Miguel County in southwestern Colorado... North central Montezuma County in southwestern Colorado... * Until 645 PM MDT. * At 615 PM MDT, a severe thunderstorm was located 11 miles northeast of Dolores, or 31 miles northwest of Durango, moving north at 40 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... Stoner and Dunton. 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 3751 10825 3753 10847 3788 10843 3784 10804 TIME...MOT...LOC 0015Z 193DEG 35KT 3757 10832 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ BW  496 WUUS55 KCYS 120017 SVRCYS NEC045-165-120045- /O.NEW.KCYS.SV.W.0306.250912T0017Z-250912T0045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 617 PM MDT Thu Sep 11 2025 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Northwestern Dawes County in the Panhandle of Nebraska... Northeastern Sioux County in the Panhandle of Nebraska... * Until 645 PM MDT. * At 616 PM MDT, a severe thunderstorm was located 7 miles southeast of Montrose, or 30 miles west of Chadron, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Toadstool Geological Park and Campground. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4277 10358 4286 10375 4300 10365 4300 10323 TIME...MOT...LOC 0016Z 219DEG 25KT 4287 10361 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Mose  424 WUUS53 KUNR 120019 SVRUNR SDC047-120115- /O.NEW.KUNR.SV.W.0368.250912T0019Z-250912T0115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 619 PM MDT Thu Sep 11 2025 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Southeastern Fall River County in southwestern South Dakota... * Until 715 PM MDT. * At 618 PM MDT, a severe thunderstorm was located 6 miles southeast of Montrose, or 31 miles south of Edgemont, moving northeast 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... Oelrichs, Ardmore, Rumford, Cascade Falls, and southwestern Angostura Reservoir. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4335 10365 4320 10316 4300 10333 4300 10375 TIME...MOT...LOC 0018Z 203DEG 21KT 4287 10363 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ AEH  461 FZUS72 KKEY 120020 MWSKEY Marine Weather Statement National Weather Service Key West FL 820 PM EDT Thu Sep 11 2025 GMZ052-072-120045- 820 PM EDT Thu Sep 11 2025 ...A STRONG THUNDERSTORM OVER THE WATERS NORTH OF FLOYD'S WALL SOUTHWEST... The areas affected include... Straits of Florida from Ocean Reef to Craig Key out 60 nm... At 819 PM EDT, National Weather Service meteorologists detected a a strong thunderstorm, capable of producing wind gusts near 30 knots. This thunderstorm was located near Rips, moving southeast at 5 knots. The strong thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for thunderstorms with wind gusts near 30 knots, locally rough and confused seas, occasional lightning strikes, and potentially blinding downpours. Get to a safe port as quickly, and as safely as possible. When downpours reduce visibility, slow down. && LAT...LON 2453 8050 2469 8041 2463 8018 2439 8032 $$ MJV  365 FZUS72 KKEY 120027 MWSKEY Marine Weather Statement National Weather Service Key West FL 827 PM EDT Thu Sep 11 2025 GMZ072-120100- 827 PM EDT Thu Sep 11 2025 ...A STRONG THUNDERSTORM OVER THE WATERS TO THE SOUTH OF FLOYD'S WALL NORTHEAST... The areas affected include... Straits of Florida from Ocean Reef to Craig Key 20 to 60 nm out... At 826 PM EDT, National Weather Service meteorologists detected a a strong thunderstorm, capable of producing wind gusts near 30 knots. This thunderstorm was located 9 nm south of Floyd's Wall Northeast, moving southeast at 5 knots. The strong thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for thunderstorms with wind gusts near 30 knots, locally rough and confused seas, occasional lightning strikes, and potentially blinding downpours. Get to a safe port as quickly, and as safely as possible. When downpours reduce visibility, slow down. && LAT...LON 2450 8034 2463 8021 2451 8000 2431 8019 $$ MJV  781 WUUS55 KCYS 120027 SVRCYS NEC045-165-120115- /O.NEW.KCYS.SV.W.0307.250912T0027Z-250912T0115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 627 PM MDT Thu Sep 11 2025 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Western Dawes County in the Panhandle of Nebraska... Northeastern Sioux County in the Panhandle of Nebraska... * Until 715 PM MDT. * At 627 PM MDT, a severe thunderstorm was located near Fort Robinson State Park, or 31 miles southwest of Chadron, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Crawford, Whitney, Roberts Trailhead Campground, Whitney Lake, Soldier Creek Campground, Fort Robinson State Park, and Belmont. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4243 10355 4250 10369 4261 10378 4294 10336 4258 10299 TIME...MOT...LOC 0027Z 235DEG 25KT 4256 10352 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Mose  418 WWUS55 KGJT 120029 SVSGJT Severe Weather Statement National Weather Service Grand Junction CO 629 PM MDT Thu Sep 11 2025 COC033-083-113-120045- /O.CON.KGJT.SV.W.0024.000000T0000Z-250912T0045Z/ Dolores CO-San Miguel CO-Montezuma CO- 629 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM MDT FOR NORTHEASTERN DOLORES...SOUTH CENTRAL SAN MIGUEL AND NORTHEASTERN MONTEZUMA COUNTIES... At 628 PM MDT, a severe thunderstorm was located 14 miles west of Rico, or 34 miles northwest of Durango, moving north 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. This severe thunderstorm will remain over mainly rural areas of northeastern Dolores, south central San Miguel and northeastern Montezuma Counties. 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 3761 10825 3767 10845 3788 10843 3784 10808 TIME...MOT...LOC 0028Z 197DEG 25KT 3765 10829 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ BW  996 WWUS55 KGJT 120036 SVSGJT Severe Weather Statement National Weather Service Grand Junction CO 636 PM MDT Thu Sep 11 2025 COC033-083-113-120045- /O.EXP.KGJT.SV.W.0024.000000T0000Z-250912T0045Z/ Dolores CO-San Miguel CO-Montezuma CO- 636 PM MDT Thu Sep 11 2025 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DOLORES...SOUTH CENTRAL SAN MIGUEL AND NORTHEASTERN MONTEZUMA COUNTIES WILL EXPIRE AT 645 PM MDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. && LAT...LON 3761 10825 3767 10845 3788 10843 3784 10808 TIME...MOT...LOC 0035Z 193DEG 35KT 3770 10827 $$ BW  576 WWUS53 KUNR 120037 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 637 PM MDT Thu Sep 11 2025 SDC047-120115- /O.CON.KUNR.SV.W.0368.000000T0000Z-250912T0115Z/ Fall River SD- 637 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR SOUTHEASTERN FALL RIVER COUNTY... At 637 PM MDT, a severe thunderstorm was located 9 miles east of Ardmore, or 26 miles southeast of Edgemont, moving northeast at 30 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Oelrichs, Ardmore, Rumford, Cascade Falls, and southwestern Angostura Reservoir. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4335 10365 4320 10316 4300 10333 4300 10375 TIME...MOT...LOC 0037Z 207DEG 24KT 4303 10346 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ AEH  341 WWUS55 KCYS 120039 SVSCYS Severe Weather Statement National Weather Service Cheyenne WY 639 PM MDT Thu Sep 11 2025 NEC045-165-120048- /O.EXP.KCYS.SV.W.0306.000000T0000Z-250912T0045Z/ Dawes NE-Sioux NE- 639 PM MDT Thu Sep 11 2025 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DAWES AND NORTHEASTERN SIOUX COUNTIES WILL EXPIRE AT 645 PM MDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. && LAT...LON 4277 10358 4286 10375 4300 10365 4300 10323 TIME...MOT...LOC 0038Z 219DEG 25KT 4298 10349 $$ Mose  651 WWUS55 KCYS 120040 SVSCYS Severe Weather Statement National Weather Service Cheyenne WY 640 PM MDT Thu Sep 11 2025 NEC045-165-120049- /O.CAN.KCYS.SV.W.0307.000000T0000Z-250912T0115Z/ Dawes NE-Sioux NE- 640 PM MDT Thu Sep 11 2025 ...THE SEVERE THUNDERSTORM WARNING FOR WESTERN DAWES AND NORTHEASTERN SIOUX COUNTIES 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. && LAT...LON 4243 10355 4250 10369 4261 10378 4294 10336 4258 10299 TIME...MOT...LOC 0038Z 235DEG 25KT 4261 10342 $$ Mose  803 WUUS56 KPDT 120042 SVRPDT ORC061-063-120145- /O.NEW.KPDT.SV.W.0009.250912T0042Z-250912T0145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Pendleton OR 542 PM PDT Thu Sep 11 2025 The National Weather Service in Pendleton Oregon has issued a * Severe Thunderstorm Warning for... Northern Union County in northeastern Oregon... Northwestern Wallowa County in northeastern Oregon... * Until 645 PM PDT. * At 541 PM PDT, a severe thunderstorm was located 11 miles northeast of Minam, or 25 miles northwest of Enterprise, moving northwest at 10 mph. HAZARD...Ping pong ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles. * This severe thunderstorm will remain over mainly rural areas of northern Union and northwestern Wallowa Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4577 11739 4562 11753 4576 11796 4599 11775 TIME...MOT...LOC 0041Z 122DEG 9KT 4574 11756 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ MF  555 WWUS53 KUNR 120045 CCA SVSUNR Severe Weather Statement National Weather Service Rapid City SD 645 PM MDT Thu Sep 11 2025 SDC047-120130- /O.COR.KUNR.SV.W.0368.000000T0000Z-250912T0115Z/ Fall River SD- 645 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR SOUTHEASTERN FALL RIVER COUNTY... At 644 PM MDT, a severe thunderstorm was located 11 miles east of Ardmore, or 25 miles south of Hot Springs, moving northeast at 30 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Oelrichs, Ardmore, Rumford, Cascade Falls, and southwestern Angostura Reservoir. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4335 10365 4320 10316 4300 10333 4300 10375 TIME...MOT...LOC 0037Z 207DEG 24KT 4303 10346 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ AEH  979 WUUS53 KUNR 120059 SVRUNR SDC033-047-102-120200- /O.NEW.KUNR.SV.W.0369.250912T0059Z-250912T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 659 PM MDT Thu Sep 11 2025 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Southeastern Custer County in southwestern South Dakota... Northwestern Oglala Lakota County in southwestern South Dakota... Northeastern Fall River County in southwestern South Dakota... * Until 800 PM MDT. * At 659 PM MDT, a severe thunderstorm was located 3 miles northwest of Smithwick, or 12 miles southeast of Hot Springs, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Oral, Smithwick, Red Shirt Table Overlook, Hay Canyon Butte, Intersection of Red Shirt and Cuny Table Roads, and Angostura Reservoir. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4320 10317 4330 10350 4370 10301 4342 10255 TIME...MOT...LOC 0059Z 239DEG 24KT 4334 10327 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ AEH