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Home Return to list Severe Thunderstorm Warning 0106 Issued by the Riverton Forecast Office
Action: New Issued At: 2025-09-12 17:33:56 786 WUUS55 KRIW 122233 SVRRIW WYC019-122300- /O.NEW.KRIW.SV.W.0106.250912T2233Z-250912T2300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Riverton WY 433 PM MDT Fri Sep 12 2025 The National Weather Service in Riverton has issued a * Severe Thunderstorm Warning for... Central Johnson County in north central Wyoming... * Until 500 PM MDT. * At 433 PM MDT, a severe thunderstorm was located 14 miles south of Buffalo, moving northeast at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will remain over mainly rural areas of central Johnson County. This includes Interstate 25 between mile markers 283 and 294. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4408 10675 4415 10684 4431 10674 4417 10645 TIME...MOT...LOC 2233Z 225DEG 18KT 4414 10675 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Gerhardt Action: Continued Issued At: 2025-09-12 17:49:56 161 WWUS55 KRIW 122249 SVSRIW Severe Weather Statement National Weather Service Riverton WY 449 PM MDT Fri Sep 12 2025 WYC019-122300- /O.CON.KRIW.SV.W.0106.000000T0000Z-250912T2300Z/ Johnson- 449 PM MDT Fri Sep 12 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM MDT FOR CENTRAL JOHNSON COUNTY... At 449 PM MDT, a severe thunderstorm was located 10 miles south of Buffalo, moving northeast at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will remain over mainly rural areas of central Johnson County. This includes Interstate 25 between mile markers 284 and 291. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4412 10662 4416 10674 4427 10666 4417 10645 TIME...MOT...LOC 2249Z 225DEG 18KT 4420 10667 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Rowe | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||