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Home Return to list Severe Thunderstorm Warning 0305 Issued by the Cheyenne Forecast Office
Action: New Issued At: 2025-09-11 18:42:57 304 WUUS55 KCYS 112342 SVRCYS NEC045-165-120030- /O.NEW.KCYS.SV.W.0305.250911T2342Z-250912T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 542 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... Central Sioux County in the Panhandle of Nebraska... * Until 630 PM MDT. * At 542 PM MDT, a severe thunderstorm was located 10 miles southeast of Harrison, or 39 miles east of Lusk, moving northeast at 40 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... Crawford, Whitney, Roberts Trailhead Campground, Whitney Lake, Soldier Creek Campground, Fort Robinson State Park, Agate Fossil Beds National Monument, and Belmont. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4242 10382 4247 10396 4259 10397 4295 10334 4263 10305 TIME...MOT...LOC 2342Z 241DEG 35KT 4259 10372 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Mose Action: Continued Issued At: 2025-09-11 18:58:58 867 WWUS55 KCYS 112358 SVSCYS Severe Weather Statement National Weather Service Cheyenne WY 558 PM MDT Thu Sep 11 2025 NEC045-165-120030- /O.CON.KCYS.SV.W.0305.000000T0000Z-250912T0030Z/ Dawes NE-Sioux NE- 558 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR SOUTHWESTERN DAWES AND CENTRAL SIOUX COUNTIES... At 558 PM MDT, a severe thunderstorm was located over Fort Robinson State Park, or 28 miles west of Chadron, moving northeast at 40 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Crawford, Whitney Lake, Soldier Creek Campground, Fort Robinson State Park, and Belmont. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4243 10378 4250 10388 4262 10392 4277 10366 4292 10339 4261 10311 TIME...MOT...LOC 2358Z 241DEG 35KT 4267 10353 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Mose Action: Continued Issued At: 2025-09-11 19:15:29 346 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 |