urn:oid:2.49.0.1.840.0.c3a35b57a2dc8381846db7904d6d8f37e8ea0c1a.001.1.IPAWSw-nws.webmaster@noaa.gov2026-08-17T16:27:00-06:00ActualAlert211803 v2.3.0PublicIPAWSv1.0en-USMetSevere Thunderstorm WarningShelterImmediateSevereObservedSAMESVRNationalWeatherServiceSVW2026-08-17T16:27:00-06:002026-08-17T16:27:00-06:002026-08-17T17:00:00-06:00NWS Cheyenne WYSevere Thunderstorm Warning issued August 17 at 4:27PM MDT until August 17 at 5:00PM MDT by NWS Cheyenne WYAt 427 PM MDT, a severe thunderstorm was located near Ardmore, or 23 miles south of Edgemont, moving southeast at 30 mph. THIS IS A DESTRUCTIVE STORM. HAZARD...80 mph wind gusts and golf ball size hail. SOURCE...Radar indicated. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. Locations impacted include... Montrose and Toadstool Geological Park and Campground. For your protection move to an interior room on the lowest floor of a building. This is a dangerous storm, producing large hail driven by severe winds! SEEK SHELTER NOW inside a sturdy structure and stay away from windows! If you are caught outdoors, cover your head and neck.http://www.weather.govAWIPSidentifierSVSCYSWMOidentifierWWUS55 KCYS 172227NWSheadlineA SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM MDT FOR NORTHWESTERN DAWES AND NORTHEASTERN SIOUX COUNTIESeventMotionDescription2026-08-17T22:27:00Z...storm...319DEG...24KT...42.98,-103.68windThreatRADAR INDICATEDmaxWindGust80 MPHhailThreatRADAR INDICATEDmaxHailSize1.75thunderstormDamageThreatDESTRUCTIVEBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.CON.KCYS.SV.W.0260.000000T0000Z-260817T2300Z/eventEndingTime2026-08-17T17:00:00-06:00WEAHandlingImminent ThreatCMAMtextNWS:DESTRUCTIVE WIND STORM in this area til 500 PM MDT. Take shelter now. Check media.CMAMlongtextNational Weather Service: SEVERE THUNDERSTORM WARNING in effect for this area until 5:00 PM MDT for DESTRUCTIVE 80 mph winds. Take shelter in a sturdy building, away from windows. Flying debris may be deadly to those caught without shelter.Dawes, NE; Sioux, NE42.71,-103.83 43.0,-103.88 43.0,-103.46 42.85,-103.21 42.71,-103.83SAME031045SAME031165UGCNEC045UGCNEC165es-USMetSevere Thunderstorm WarningShelterImmediateSevereObservedSAMESVRNationalWeatherServiceSVW2026-08-17T16:27:00-06:002026-08-17T16:27:00-06:002026-08-17T17:00:00-06:00NWS Cheyenne WYSevere Thunderstorm Warning issued August 17 at 4:27PM MDT until August 17 at 5:00PM MDT by NWS Cheyenne WYAt 427 PM MDT, a severe thunderstorm was located near Ardmore, or 23 miles south of Edgemont, moving southeast at 30 mph. THIS IS A DESTRUCTIVE STORM. HAZARD...80 mph wind gusts and golf ball size hail. SOURCE...Radar indicated. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. Locations impacted include... Montrose and Toadstool Geological Park and Campground. For your protection move to an interior room on the lowest floor of a building. This is a dangerous storm, producing large hail driven by severe winds! SEEK SHELTER NOW inside a sturdy structure and stay away from windows! If you are caught outdoors, cover your head and neck.http://www.weather.govAWIPSidentifierSVSCYSWMOidentifierWWUS55 KCYS 172227NWSheadlineA SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM MDT FOR NORTHWESTERN DAWES AND NORTHEASTERN SIOUX COUNTIESeventMotionDescription2026-08-17T22:27:00Z...storm...319DEG...24KT...42.98,-103.68windThreatRADAR INDICATEDmaxWindGust80 MPHhailThreatRADAR INDICATEDmaxHailSize1.75thunderstormDamageThreatDESTRUCTIVEBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.CON.KCYS.SV.W.0260.000000T0000Z-260817T2300Z/eventEndingTime2026-08-17T17:00:00-06:00WEAHandlingImminent ThreatCMAMtextSNM:TORMENTA DE VIENTO DESTRUCTIVA en esta area hasta 500 PM MDT. Tome refugio ahoraCMAMlongtextServicio Nacional de Meteorologia: AVISO DE TORMENTA SEVERA en efecto para esta area hasta las 5:00 PM MDT por vientos DESTRUCTIVOS de 80 mph. Tome refugio en un edificio, alejado de las ventanas. Escombros arrastrados por el viento podrian ser mortales para aquellos que se encuentran sin refugio.Dawes, NE; Sioux, NE42.71,-103.83 43.0,-103.88 43.0,-103.46 42.85,-103.21 42.71,-103.83SAME031045SAME031165UGCNEC045UGCNEC165io/9S6gMecINOxPDYB2Rw1nrVTHQQcxlNaKhZW1WBAQ=M2JiYkg5/DGkWb4hX/N8QnWqHfDJLP//kZCUKbZgEkzY/J4m/XwYF6AexEuzGgly4vIfepOoHQkO wwP9VJOEW7u/bCSy7o18JZXUzjKk8hI9bj97IeYe3/s8lpYVFxUmK8yhRg60ko8x2IkYCEgwgO+d 8FbB10Z2s5uPSiKcUHNFZLLvzbxLA8D4Do6KVO0JmK01FX9VSds4RkxJEx2jMYDR9UrBL92Lo+Uc 1WRzOhdycFi14BO2cz2wO26tSthQVEiThVk76BKtK9SzyB3z6nNbii6BY7LOv/UjYXIudRbyPByu 6D4n6/9+zGZLW0ywbRFxseazeXcfEgxt0NhfMA==CN=IPAWSOPEN200032,OU=A01410D0000019A5E4549540014DF2C,OU=Devices IPAWS,OU=National Continuity Programs,O=FEMA IPAWS,C=USMIIHPzCCBSegAwIBAgIQQAGaXkVJb3yj70Q8FAqMbzANBgkqhkiG9w0BAQsFADBdMQswCQYDVQQG EwJVUzESMBAGA1UEChMJSWRlblRydXN0MSAwHgYDVQQLExdJZGVuVHJ1c3QgR2xvYmFsIENvbW1v bjEYMBYGA1UEAxMPSUdDIERldmljZSBDQSAyMB4XDTI1MTEwNzEyMjMxMFoXDTI4MTEwNjEyMjIx MFowgaUxCzAJBgNVBAYTAlVTMRMwEQYDVQQKEwpGRU1BIElQQVdTMSUwIwYDVQQLExxOYXRpb25h bCBDb250aW51aXR5IFByb2dyYW1zMRYwFAYDVQQLEw1EZXZpY2VzIElQQVdTMSgwJgYDVQQLEx9B MDE0MTBEMDAwMDAxOUE1RTQ1NDk1NDAwMTRERjJDMRgwFgYDVQQDEw9JUEFXU09QRU4yMDAwMzIw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCOdhA5DPitMFp6DUbiQZi/anJ6L9qtPrRz gZksP2aOSve50875b4yi2eMv2caKpF+lxtbmzxdZjRuV55TnCkn7HaaLpi+7nFP4aDB9DDw/Gnop 65nNzLvZ7MXpCC3ikJk09iSgwVaw6RGte9X2WyUoPaEmygjv1lsVx+JGohgvPxTtiZhQJyxkxbM5 rR2MAC5VjsrZNu3idfvd1B0EEGM1cVU9jpVuyiWK53k+vPuSOH/UWMXezzrBEwjtw1SMVv2/dxKz 79gaITMmF6z5QqDFV0cstzmyEZWhyoavCpXW4W+vU+FLO0IgXINzY34IsnFQ/cqGEJ6MtC63uM8f 2L7dAgMBAAGjggKwMIICrDAOBgNVHQ8BAf8EBAMCBaAwfQYIKwYBBQUHAQEEcTBvMCkGCCsGAQUF BzABhh1odHRwOi8vaWdjLm9jc3AuaWRlbnRydXN0LmNvbTBCBggrBgEFBQcwAoY2aHR0cDovL3Zh bGlkYXRpb24uaWRlbnRydXN0LmNvbS9jZXJ0cy9pZ2NkZXZpY2VjYTIucDdjMB8GA1UdIwQYMBaA FD+LR65hHetlI5XEOi3tu0jVIykiMIIBQwYDVR0gBIIBOjCCATYwDQYLYIZIAYb5LwBkJQEwggEj BgtghkgBhvkvAGQmATCCARIwSwYIKwYBBQUHAgEWP2h0dHBzOi8vc2VjdXJlLmlkZW50cnVzdC5j b20vY2VydGlmaWNhdGVzL3BvbGljeS9JR0MvaW5kZXguaHRtbDCBwgYIKwYBBQUHAgIwgbUMgbJD ZXJ0aWZpY2F0ZSB1c2UgcmVzdHJpY3RlZCB0byBSZWx5aW5nIFBhcnR5KHMpIGluIGFjY29yZGFu Y2Ugd2l0aCBJR0MtQ1AgKHNlZSBodHRwczovL3NlY3VyZS5pZGVudHJ1c3QuY29tL2NlcnRpZmlj YXRlcy9wb2xpY3kvaWdjL2luZGV4Lmh0bWwpLiBJR0MtQ1BTIGluY29ycG9yYXRlZCBieSByZWZl cmVuY2UuMEUGA1UdHwQ+MDwwOqA4oDaGNGh0dHA6Ly92YWxpZGF0aW9uLmlkZW50cnVzdC5jb20v Y3JsL2lnY2RldmljZWNhMi5jcmwwGgYDVR0RBBMwEYIPSVBBV1NPUEVOMjAwMDMyMB0GA1UdDgQW BBQ8QhNU0KQ6GUEOz5peBrNTppU+fDAxBgNVHSUEKjAoBggrBgEFBQcDAgYIKwYBBQUHAwUGCCsG AQUFBwMGBggrBgEFBQcDBzANBgkqhkiG9w0BAQsFAAOCAgEAXiYe+0catdoGF4nXiIoyywVkVTaG BacaUIjTceAJv35LhC5gwAM+O3OudKQQbMeIzOcjJluFc4vFjmzL/DxLLKk6IVVZQ+MXO8O5UZ6e 0hSwQv3mO+9JkCYL7M/GIJwiq6XuEiLS7wESwnHq2tIppZNfpcZcMSlQC+4hoUPJuVNU7QVFtvXe 6FaB/zDMTU3pzOuCxn/SNIhBKHVesE8n5soIp5q8U/R/I9vYM52NISzZcYPGUp6Snyd9mVqmxAo+ t3pAgsojLOrSBPLQoPoip/KeKCMahrumQuaHi6t3ML6IlCIuOeNnHEaxnUIWGD7kAswOKsqGGjMN JwXw6TeqrddvCg8Nd0SH7mWI/vjOq/ykZs2q6lB3b/5ur7YjGOdT3310R0VhZ8pxuyUTrR6EFlFR PkWhg46BaEiP1GtzmEW7wT0YStf4wvwDR3HkjpzNoBO92+iwhVHPKyl7T4METnDyTAD+aDn/Xtp/ pZePlh9uOkCqS7NOm6B4Hjra/iL3BQG2gwcE6XOzbETH6/ibKwMroFDAgqe8AA6xdmcajHBf7/wA maMrAQmgbINPpZWjMo3wf2IccUTVHxLaZj+yQZcWMuX9R2H84eTo/CfqmG1RyxcqO0Nd1BS8i8Ii YnCXXUlXkpl0xFj1R1xiGv8bd4l5AGjorijY2Wnub1m4Y4k=