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Home Return to list Severe Thunderstorm Warning 0025 Issued by the Riverton Forecast Office
Action: New Issued At: 2026-06-22 14:59:39 997 WUUS55 KRIW 221959 SVRRIW WYC019-222045- /O.NEW.KRIW.SV.W.0025.260622T1959Z-260622T2045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Riverton WY 159 PM MDT Mon Jun 22 2026 The National Weather Service in Riverton has issued a * Severe Thunderstorm Warning for... Northeastern Johnson County in north central Wyoming... * Until 245 PM MDT. * At 159 PM MDT, a severe thunderstorm was located 16 miles north of Powder River Rest Area, which is 25 miles east of Buffalo, moving east at 30 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will remain over mainly rural areas of northeastern Johnson County. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4445 10631 4451 10625 4446 10601 4425 10602 TIME...MOT...LOC 1959Z 283DEG 26KT 4445 10621 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Wittmann Action: Continued Issued At: 2026-06-22 15:06:39 168 WWUS55 KRIW 222006 SVSRIW Severe Weather Statement National Weather Service Riverton WY 206 PM MDT Mon Jun 22 2026 WYC019-222045- /O.CON.KRIW.SV.W.0025.000000T0000Z-260622T2045Z/ Johnson- 206 PM MDT Mon Jun 22 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM MDT FOR NORTHEASTERN JOHNSON COUNTY... At 206 PM MDT, a severe thunderstorm was located 14 miles west of Echeta, which is 28 miles east of Buffalo, moving east at 30 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will remain over mainly rural areas of northeastern Johnson County. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4445 10627 4450 10622 4446 10601 4426 10602 TIME...MOT...LOC 2006Z 291DEG 24KT 4444 10615 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Wittmann Action: Cancelled Issued At: 2026-06-22 15:21:40 648 WWUS55 KRIW 222021 SVSRIW Severe Weather Statement National Weather Service Riverton WY 221 PM MDT Mon Jun 22 2026 WYC019-222031- /O.CAN.KRIW.SV.W.0025.000000T0000Z-260622T2045Z/ Johnson- 221 PM MDT Mon Jun 22 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JOHNSON COUNTY 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. A Severe Thunderstorm Watch remains in effect until 800 PM MDT for north central Wyoming. && LAT...LON 4445 10627 4450 10622 4446 10601 4426 10602 TIME...MOT...LOC 2019Z 283DEG 26KT 4442 10600 $$ Wittmann | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||