urn:oid:2.49.0.1.840.0.bcff4a2c78ad3397604abeb7637e4addc853ebe5.001.1.IPAWSw-nws.webmaster@noaa.gov2025-12-28T11:30:00-06:00ActualAlertPublicIPAWSv1.0en-USMetSnow Squall WarningAvoidExpectedExtremeLikelySAMESVSNationalWeatherServiceSQW2025-12-28T11:30:00-06:002025-12-28T11:30:00-06:002025-12-28T12:00:00-06:00NWS Des Moines IASnow Squall Warning issued December 28 at 11:30AM CST until December 28 at 12:00PM CST by NWS Des Moines IAThe National Weather Service in Des Moines has issued a * Snow Squall Warning for... Polk County in central Iowa... Western Story County in central Iowa... Madison County in south central Iowa... Southeastern Boone County in central Iowa... Southeastern Dallas County in central Iowa... Western Warren County in south central Iowa... * Until noon CST. * At 1130 AM CST, a dangerous snow squall was located along a line extending from 4 miles southeast of Nevada to Des Moines to Avenue Of The Saints Event Center, moving east at 35 mph. HAZARD...Whiteout conditions with near zero visibility associated with intense bursts of heavy snow and gusty winds leading to blowing snow. Wind gusts greater than 45 mph. SOURCE...Radar and trained spotter. IMPACT...Dangerous and life-threatening travel conditions are expected to develop rapidly in the warning area. This includes the following highways... Interstate 35 between mile markers 46 and 72, and between mile markers 87 and 114. Interstate 80 between mile markers 100 and 150. Interstate 235 between mile markers 1 and 14. Locations impacted include... Des Moines, Ames, West Des Moines, Ankeny, Urbandale, Johnston, Clive, Indianola, Altoona, Waukee, Norwalk, Pleasant Hill, Grimes, Nevada, Winterset, Adel, Windsor Heights, Carlisle, Bondurant, and Polk City. Slow Down! Rapid changes in visibility and road conditions are expected with this dangerous snow squall. Be alert for sudden whiteout conditions.http://www.weather.govAWIPSidentifierSQWDMXWMOidentifierWWUS53 KDMX 281730eventMotionDescription2025-12-28T17:30:00Z...storm...255DEG...29KT...41.97,-93.41 41.57,-93.6 41.29,-93.76snowSquallDetectionOBSERVEDsnowSquallImpactSIGNIFICANTBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.NEW.KDMX.SQ.W.0005.251228T1730Z-251228T1800Z/eventEndingTime2025-12-28T12:00:00-06:00WEAHandlingImminent ThreatCMAMtextSnow Squall Warning til 12:00 PM CST. Sudden whiteouts. Icy roads. Slow down! -NWSCMAMlongtextNational Weather Service: Snow Squall Warning until 12:00 PM CST. Slow down or delay travel! Be ready for a sudden drop to near zero visibility and icy roads in heavy snow.Boone, IA; Dallas, IA; Madison, IA; Polk, IA; Story, IA; Warren, IA41.17,-94.24 41.65,-94.18 41.67,-93.99 41.86,-93.82 42.21,-93.34 41.6,-93.34 41.21,-93.58 41.17,-94.24SAME019015SAME019049SAME019121SAME019153SAME019169SAME019181UGCIAC015UGCIAC049UGCIAC121UGCIAC153UGCIAC169UGCIAC181es-USMetSnow Squall WarningAvoidExpectedExtremeLikelySAMESVSNationalWeatherServiceSQW2025-12-28T11:30:00-06:002025-12-28T11:30:00-06:002025-12-28T12:00:00-06:00NWS Des Moines IASnow Squall Warning issued December 28 at 11:30AM CST until December 28 at 12:00PM CST by NWS Des Moines IAThe National Weather Service in Des Moines has issued a * Snow Squall Warning for... Polk County in central Iowa... Western Story County in central Iowa... Madison County in south central Iowa... Southeastern Boone County in central Iowa... Southeastern Dallas County in central Iowa... Western Warren County in south central Iowa... * Until noon CST. * At 1130 AM CST, a dangerous snow squall was located along a line extending from 4 miles southeast of Nevada to Des Moines to Avenue Of The Saints Event Center, moving east at 35 mph. HAZARD...Whiteout conditions with near zero visibility associated with intense bursts of heavy snow and gusty winds leading to blowing snow. Wind gusts greater than 45 mph. SOURCE...Radar and trained spotter. IMPACT...Dangerous and life-threatening travel conditions are expected to develop rapidly in the warning area. This includes the following highways... Interstate 35 between mile markers 46 and 72, and between mile markers 87 and 114. Interstate 80 between mile markers 100 and 150. Interstate 235 between mile markers 1 and 14. Locations impacted include... Des Moines, Ames, West Des Moines, Ankeny, Urbandale, Johnston, Clive, Indianola, Altoona, Waukee, Norwalk, Pleasant Hill, Grimes, Nevada, Winterset, Adel, Windsor Heights, Carlisle, Bondurant, and Polk City. Slow Down! Rapid changes in visibility and road conditions are expected with this dangerous snow squall. Be alert for sudden whiteout conditions.http://www.weather.govAWIPSidentifierSQWDMXWMOidentifierWWUS53 KDMX 281730eventMotionDescription2025-12-28T17:30:00Z...storm...255DEG...29KT...41.97,-93.41 41.57,-93.6 41.29,-93.76snowSquallDetectionOBSERVEDsnowSquallImpactSIGNIFICANTBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.NEW.KDMX.SQ.W.0005.251228T1730Z-251228T1800Z/eventEndingTime2025-12-28T12:00:00-06:00WEAHandlingImminent ThreatCMAMtextAviso de Turbonada de Nieve hasta 12:00 PM CST. Pobre visibilidad! Reduzca la velocidad!CMAMlongtextServicio Nacional de Meteorologia: Aviso de Turbonada de Nieve hasta las 12:00 PM CST. Reduzca la velocidad o retrase su viaje! Preparese para una caida repentina de visibilidad cercana a cero y carreteras heladas en nevadas fuertes.Boone, IA; Dallas, IA; Madison, IA; Polk, IA; Story, IA; Warren, IA41.17,-94.24 41.65,-94.18 41.67,-93.99 41.86,-93.82 42.21,-93.34 41.6,-93.34 41.21,-93.58 41.17,-94.24SAME019015SAME019049SAME019121SAME019153SAME019169SAME019181UGCIAC015UGCIAC049UGCIAC121UGCIAC153UGCIAC169UGCIAC181jiXAFM7RCnxaDewsK/ey5KjzKk6gmSiSmqVfepMmzc4=SRjDfXzlgrmZjvFsZMR29rGk5q6l9Nu4VNVGHwl7mlW/u76DV+nDxjlq9Rc6j1TQcfZDjd5eEJBD NmusGth9NtAbnaPZgok1USyLFDA5x+Ztuge9iYhQCwDbZMNATNJD/PqtDELSdQP4o6zXsVzfGBAG qBnoi+wiZw40CxTdJCzY9AHDs/E+kOABPduqtYXNcp8dPXZXftsEIo88MDpCMUXNAk6GXFt1oTg1 oAQxMU4BrqgNgW3XPY781KxjU+nWntGweqFtzdC+BqM6gu5n+fKG0Wi1I3ScdTJzWezflC8nRB1g VEfnzbWHnrv5dzhvfsNnpWNeO60JFORJaS4Xlg==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=