<alert><identifier>urn:oid:2.49.0.1.840.0.9140b1c6874cb6be25f51b4006e0de3c31319f60.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2025-12-28T12:45:00-06:00</sent><status>Actual</status><msgType>Alert</msgType><scope>Public</scope><code>IPAWSv1.0</code><info><language>en-US</language><category>Met</category><event>Snow Squall Warning</event><responseType>Avoid</responseType><urgency>Expected</urgency><severity>Extreme</severity><certainty>Likely</certainty><eventCode><valueName>SAME</valueName><value>SVS</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>SQW</value></eventCode><effective>2025-12-28T12:45:00-06:00</effective><onset>2025-12-28T12:45:00-06:00</onset><expires>2025-12-28T13:15:00-06:00</expires><senderName>NWS Des Moines IA</senderName><headline>Snow Squall Warning issued December 28 at 12:45PM CST until December 28 at 1:15PM CST by NWS Des Moines IA</headline><description>The National Weather Service in Des Moines has issued a

* Snow Squall Warning for...
Northwestern Poweshiek County in central Iowa...
Eastern Marshall County in central Iowa...
Southwestern Black Hawk County in northeastern Iowa...
Western Tama County in central Iowa...
Grundy County in central Iowa...
Central Jasper County in central Iowa...

* Until 115 PM CST.

* At 1245 PM CST, a dangerous snow squall was located along a line
extending from 4 miles west of Uni-Dome And McLeod Center to near
Le Grand to near Reasnor, moving east at 30 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 webcams.

IMPACT...Dangerous and life-threatening travel conditions are
expected to develop rapidly in the warning area.

This includes Interstate 80 between mile markers 158 and 184.

Locations impacted include...
Waterloo, Cedar Falls, Marshalltown, Newton, Grinnell, Grundy Center,
Toledo, Tama, Hudson, Traer, Prairie City, Reinbeck, Dike, Conrad,
Iowa Speedway, Meskwaki Casino, Uni-Dome And McLeod Center, Rock
Creek Lake, Waterloo Municipal Airport, and Gladbrook.
</description><instruction>Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>SQWDMX</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS53 KDMX 281845</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2025-12-28T18:45:00Z...storm...260DEG...25KT...42.52,-92.55 42.05,-92.79 41.62,-93.01</value></parameter><parameter><valueName>snowSquallDetection</valueName><value>OBSERVED</value></parameter><parameter><valueName>snowSquallImpact</valueName><value>SIGNIFICANT</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>EAS</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>NWEM</value></parameter><parameter><valueName>EAS-ORG</valueName><value>WXR</value></parameter><parameter><valueName>VTEC</valueName><value>/O.NEW.KDMX.SQ.W.0010.251228T1845Z-251228T1915Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2025-12-28T13:15:00-06:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>Snow Squall Warning til 1:15 PM CST. Sudden whiteouts. Icy roads. Slow down! -NWS</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>National Weather Service: Snow Squall Warning until 1:15 PM CST. Slow down or delay travel! Be ready for a sudden drop to near zero visibility and icy roads in heavy snow.</value></parameter><area><areaDesc>Black Hawk, IA; Grundy, IA; Jasper, IA; Marshall, IA; Poweshiek, IA; Tama, IA</areaDesc><polygon>42.08,-92.49 41.58,-92.74 41.57,-93.25 42.05,-93.02 42.56,-92.86 42.55,-92.3 42.08,-92.49</polygon><geocode><valueName>SAME</valueName><value>019013</value></geocode><geocode><valueName>SAME</valueName><value>019075</value></geocode><geocode><valueName>SAME</valueName><value>019099</value></geocode><geocode><valueName>SAME</valueName><value>019127</value></geocode><geocode><valueName>SAME</valueName><value>019157</value></geocode><geocode><valueName>SAME</valueName><value>019171</value></geocode><geocode><valueName>UGC</valueName><value>IAC013</value></geocode><geocode><valueName>UGC</valueName><value>IAC075</value></geocode><geocode><valueName>UGC</valueName><value>IAC099</value></geocode><geocode><valueName>UGC</valueName><value>IAC127</value></geocode><geocode><valueName>UGC</valueName><value>IAC157</value></geocode><geocode><valueName>UGC</valueName><value>IAC171</value></geocode></area></info><info><language>es-US</language><category>Met</category><event>Snow Squall Warning</event><responseType>Avoid</responseType><urgency>Expected</urgency><severity>Extreme</severity><certainty>Likely</certainty><eventCode><valueName>SAME</valueName><value>SVS</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>SQW</value></eventCode><effective>2025-12-28T12:45:00-06:00</effective><onset>2025-12-28T12:45:00-06:00</onset><expires>2025-12-28T13:15:00-06:00</expires><senderName>NWS Des Moines IA</senderName><headline>Snow Squall Warning issued December 28 at 12:45PM CST until December 28 at 1:15PM CST by NWS Des Moines IA</headline><description>The National Weather Service in Des Moines has issued a

* Snow Squall Warning for...
Northwestern Poweshiek County in central Iowa...
Eastern Marshall County in central Iowa...
Southwestern Black Hawk County in northeastern Iowa...
Western Tama County in central Iowa...
Grundy County in central Iowa...
Central Jasper County in central Iowa...

* Until 115 PM CST.

* At 1245 PM CST, a dangerous snow squall was located along a line
extending from 4 miles west of Uni-Dome And McLeod Center to near
Le Grand to near Reasnor, moving east at 30 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 webcams.

IMPACT...Dangerous and life-threatening travel conditions are
expected to develop rapidly in the warning area.

This includes Interstate 80 between mile markers 158 and 184.

Locations impacted include...
Waterloo, Cedar Falls, Marshalltown, Newton, Grinnell, Grundy Center,
Toledo, Tama, Hudson, Traer, Prairie City, Reinbeck, Dike, Conrad,
Iowa Speedway, Meskwaki Casino, Uni-Dome And McLeod Center, Rock
Creek Lake, Waterloo Municipal Airport, and Gladbrook.
</description><instruction>Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>SQWDMX</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS53 KDMX 281845</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2025-12-28T18:45:00Z...storm...260DEG...25KT...42.52,-92.55 42.05,-92.79 41.62,-93.01</value></parameter><parameter><valueName>snowSquallDetection</valueName><value>OBSERVED</value></parameter><parameter><valueName>snowSquallImpact</valueName><value>SIGNIFICANT</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>EAS</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>NWEM</value></parameter><parameter><valueName>EAS-ORG</valueName><value>WXR</value></parameter><parameter><valueName>VTEC</valueName><value>/O.NEW.KDMX.SQ.W.0010.251228T1845Z-251228T1915Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2025-12-28T13:15:00-06:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>Aviso de Turbonada de Nieve hasta 1:15 PM CST. Pobre visibilidad! Reduzca la velocidad!</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>Servicio Nacional de Meteorologia: Aviso de Turbonada de Nieve hasta las 1:15 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.</value></parameter><area><areaDesc>Black Hawk, IA; Grundy, IA; Jasper, IA; Marshall, IA; Poweshiek, IA; Tama, IA</areaDesc><polygon>42.08,-92.49 41.58,-92.74 41.57,-93.25 42.05,-93.02 42.56,-92.86 42.55,-92.3 42.08,-92.49</polygon><geocode><valueName>SAME</valueName><value>019013</value></geocode><geocode><valueName>SAME</valueName><value>019075</value></geocode><geocode><valueName>SAME</valueName><value>019099</value></geocode><geocode><valueName>SAME</valueName><value>019127</value></geocode><geocode><valueName>SAME</valueName><value>019157</value></geocode><geocode><valueName>SAME</valueName><value>019171</value></geocode><geocode><valueName>UGC</valueName><value>IAC013</value></geocode><geocode><valueName>UGC</valueName><value>IAC075</value></geocode><geocode><valueName>UGC</valueName><value>IAC099</value></geocode><geocode><valueName>UGC</valueName><value>IAC127</value></geocode><geocode><valueName>UGC</valueName><value>IAC157</value></geocode><geocode><valueName>UGC</valueName><value>IAC171</value></geocode></area></info><Signature xmlns="http://www.w3.org/2000/09/xmldsig#" xmlns:ns5="http://gov.fema.ipaws.services/IPAWS_CAPService/" xmlns:ns2="urn:oasis:names:tc:emergency:cap:1.2" xmlns:ns4="http://gov.fema.ipaws.services/capresponse" xmlns:ns3="http://gov.fema.ipaws.services/caprequest"><SignedInfo><CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/><SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/><Reference URI=""><Transforms><Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/></Transforms><DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/><DigestValue>g+R7SFTV/dfx4dsLDXbQZOu5BX0HbSmjLfo1X+sSZ3M=</DigestValue></Reference></SignedInfo><SignatureValue>hvCpudiZcZJ3eOPddXr1O64y03/VXSuQib//DlQMQhCF1BfTxEEfFknkAu/GobPVW4NOOd9C4NS+&#13;
YKANp53QjShlglYIXfWp6mcsZeCBs81zTISdShht/maOSelcbpcfnmfv80+AuS4gkwNBonIiipA9&#13;
1CIbue9kUqP3K+CWtlRUhx/Gpk9ajAFvqKqjgjFQ9J872X3csDeaIwsmb1Po0HxKU4iC1LoZL/ud&#13;
9Vr8RmpkEnglRKzzXGCtcVKRkRQYrtVAe+4WCMVy8KquuSbFx3/Ti2K3onuHjv9qGbuRIQb6CnWe&#13;
yQH5YtcRfEHTtjKL+pW2LvStmZfdHTMaQF5Xzw==</SignatureValue><KeyInfo><X509Data><X509SubjectName>CN=IPAWSOPEN200032,OU=A01410D0000019A5E4549540014DF2C,OU=Devices IPAWS,OU=National Continuity Programs,O=FEMA IPAWS,C=US</X509SubjectName><X509Certificate>MIIHPzCCBSegAwIBAgIQQAGaXkVJb3yj70Q8FAqMbzANBgkqhkiG9w0BAQsFADBdMQswCQYDVQQG&#13;
EwJVUzESMBAGA1UEChMJSWRlblRydXN0MSAwHgYDVQQLExdJZGVuVHJ1c3QgR2xvYmFsIENvbW1v&#13;
bjEYMBYGA1UEAxMPSUdDIERldmljZSBDQSAyMB4XDTI1MTEwNzEyMjMxMFoXDTI4MTEwNjEyMjIx&#13;
MFowgaUxCzAJBgNVBAYTAlVTMRMwEQYDVQQKEwpGRU1BIElQQVdTMSUwIwYDVQQLExxOYXRpb25h&#13;
bCBDb250aW51aXR5IFByb2dyYW1zMRYwFAYDVQQLEw1EZXZpY2VzIElQQVdTMSgwJgYDVQQLEx9B&#13;
MDE0MTBEMDAwMDAxOUE1RTQ1NDk1NDAwMTRERjJDMRgwFgYDVQQDEw9JUEFXU09QRU4yMDAwMzIw&#13;
ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCOdhA5DPitMFp6DUbiQZi/anJ6L9qtPrRz&#13;
gZksP2aOSve50875b4yi2eMv2caKpF+lxtbmzxdZjRuV55TnCkn7HaaLpi+7nFP4aDB9DDw/Gnop&#13;
65nNzLvZ7MXpCC3ikJk09iSgwVaw6RGte9X2WyUoPaEmygjv1lsVx+JGohgvPxTtiZhQJyxkxbM5&#13;
rR2MAC5VjsrZNu3idfvd1B0EEGM1cVU9jpVuyiWK53k+vPuSOH/UWMXezzrBEwjtw1SMVv2/dxKz&#13;
79gaITMmF6z5QqDFV0cstzmyEZWhyoavCpXW4W+vU+FLO0IgXINzY34IsnFQ/cqGEJ6MtC63uM8f&#13;
2L7dAgMBAAGjggKwMIICrDAOBgNVHQ8BAf8EBAMCBaAwfQYIKwYBBQUHAQEEcTBvMCkGCCsGAQUF&#13;
BzABhh1odHRwOi8vaWdjLm9jc3AuaWRlbnRydXN0LmNvbTBCBggrBgEFBQcwAoY2aHR0cDovL3Zh&#13;
bGlkYXRpb24uaWRlbnRydXN0LmNvbS9jZXJ0cy9pZ2NkZXZpY2VjYTIucDdjMB8GA1UdIwQYMBaA&#13;
FD+LR65hHetlI5XEOi3tu0jVIykiMIIBQwYDVR0gBIIBOjCCATYwDQYLYIZIAYb5LwBkJQEwggEj&#13;
BgtghkgBhvkvAGQmATCCARIwSwYIKwYBBQUHAgEWP2h0dHBzOi8vc2VjdXJlLmlkZW50cnVzdC5j&#13;
b20vY2VydGlmaWNhdGVzL3BvbGljeS9JR0MvaW5kZXguaHRtbDCBwgYIKwYBBQUHAgIwgbUMgbJD&#13;
ZXJ0aWZpY2F0ZSB1c2UgcmVzdHJpY3RlZCB0byBSZWx5aW5nIFBhcnR5KHMpIGluIGFjY29yZGFu&#13;
Y2Ugd2l0aCBJR0MtQ1AgKHNlZSBodHRwczovL3NlY3VyZS5pZGVudHJ1c3QuY29tL2NlcnRpZmlj&#13;
YXRlcy9wb2xpY3kvaWdjL2luZGV4Lmh0bWwpLiBJR0MtQ1BTIGluY29ycG9yYXRlZCBieSByZWZl&#13;
cmVuY2UuMEUGA1UdHwQ+MDwwOqA4oDaGNGh0dHA6Ly92YWxpZGF0aW9uLmlkZW50cnVzdC5jb20v&#13;
Y3JsL2lnY2RldmljZWNhMi5jcmwwGgYDVR0RBBMwEYIPSVBBV1NPUEVOMjAwMDMyMB0GA1UdDgQW&#13;
BBQ8QhNU0KQ6GUEOz5peBrNTppU+fDAxBgNVHSUEKjAoBggrBgEFBQcDAgYIKwYBBQUHAwUGCCsG&#13;
AQUFBwMGBggrBgEFBQcDBzANBgkqhkiG9w0BAQsFAAOCAgEAXiYe+0catdoGF4nXiIoyywVkVTaG&#13;
BacaUIjTceAJv35LhC5gwAM+O3OudKQQbMeIzOcjJluFc4vFjmzL/DxLLKk6IVVZQ+MXO8O5UZ6e&#13;
0hSwQv3mO+9JkCYL7M/GIJwiq6XuEiLS7wESwnHq2tIppZNfpcZcMSlQC+4hoUPJuVNU7QVFtvXe&#13;
6FaB/zDMTU3pzOuCxn/SNIhBKHVesE8n5soIp5q8U/R/I9vYM52NISzZcYPGUp6Snyd9mVqmxAo+&#13;
t3pAgsojLOrSBPLQoPoip/KeKCMahrumQuaHi6t3ML6IlCIuOeNnHEaxnUIWGD7kAswOKsqGGjMN&#13;
JwXw6TeqrddvCg8Nd0SH7mWI/vjOq/ykZs2q6lB3b/5ur7YjGOdT3310R0VhZ8pxuyUTrR6EFlFR&#13;
PkWhg46BaEiP1GtzmEW7wT0YStf4wvwDR3HkjpzNoBO92+iwhVHPKyl7T4METnDyTAD+aDn/Xtp/&#13;
pZePlh9uOkCqS7NOm6B4Hjra/iL3BQG2gwcE6XOzbETH6/ibKwMroFDAgqe8AA6xdmcajHBf7/wA&#13;
maMrAQmgbINPpZWjMo3wf2IccUTVHxLaZj+yQZcWMuX9R2H84eTo/CfqmG1RyxcqO0Nd1BS8i8Ii&#13;
YnCXXUlXkpl0xFj1R1xiGv8bd4l5AGjorijY2Wnub1m4Y4k=</X509Certificate></X509Data></KeyInfo></Signature></alert>