<alert><identifier>urn:oid:2.49.0.1.840.0.90ce3729c52959bc99368a54c81964c57e98aa39.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2025-08-21T19:29:00-07:00</sent><status>Actual</status><msgType>Alert</msgType><scope>Public</scope><code>IPAWSv1.0</code><info><language>en-US</language><category>Met</category><event>Dust Storm Warning</event><responseType>Avoid</responseType><urgency>Expected</urgency><severity>Severe</severity><certainty>Likely</certainty><eventCode><valueName>SAME</valueName><value>DSW</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>DSW</value></eventCode><effective>2025-08-21T19:29:00-07:00</effective><onset>2025-08-21T19:29:00-07:00</onset><expires>2025-08-21T20:00:00-07:00</expires><senderName>NWS Phoenix AZ</senderName><headline>Dust Storm Warning issued August 21 at 7:29PM MST until August 21 at 8:00PM MST by NWS Phoenix AZ</headline><description>The National Weather Service in Phoenix has issued a

* Dust Storm Warning for...
Maricopa County in south central Arizona...
Pinal County in southeastern Arizona...

* Until 800 PM MST.

* At 729 PM MST, a wall of dust was along a line extending from 10
miles north of Estrella to 9 miles south of Estrella Sailport to
near Chui-Chu, moving southwest at 40 mph.

HAZARD...Less than a quarter mile visibility with strong wind in
excess of 40 mph.

SOURCE...Doppler radar.

IMPACT...Dangerous life-threatening travel.

* This includes the following highways...
AZ Interstate 8 between mile markers 146 and 175.
AZ Route 238 between mile markers 27 and 44.
AZ Route 347 between mile markers 161 and 187.

Locations impacted include...
Avondale, Goodyear, Casa Grande, Maricopa, South Mountain Park,
Estrella Sailport, South Phoenix, Rainbow Valley, Stanfield, Ak-
Chin Village, Komatke, and Mobile.
</description><instruction>Dust storms lead to dangerous driving conditions with visibility
reduced to near zero. If driving, avoid dust storms if possible. If
caught in one, pull off the road, turn off your lights and keep your
foot off the brake.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>DSWPSR</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS55 KPSR 220229</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2025-08-22T02:29:00Z...storm...062DEG...33KT...33.15,-112.37 32.95,-112.18 32.79,-111.78</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.KPSR.DS.W.0008.250822T0229Z-250822T0300Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2025-08-21T20:00:00-07:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS: DUST STORM WARNING til 8:00 PM MST. Be ready for a sudden drop to zero visibility.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>National Weather Service: DUST STORM WARNING for this area until 8:00 PM MST. Be ready for sudden drop to zero visibility. Pull Aside, Stay Alive! When visibility drops, pull far off the road and put your vehicle in park. Turn the lights off and keep your foot off the brake. Infants, the elderly and those with respiratory issues urged to take precautions.</value></parameter><area><areaDesc>Maricopa, AZ; Pinal, AZ</areaDesc><polygon>32.72,-112.18 33.25,-112.45 33.4,-112.06 32.82,-111.71 32.79,-111.72 32.78,-111.77 32.8,-111.78 32.79,-111.87 32.77,-111.89 32.76,-112.05 32.74,-112.06 32.72,-112.18</polygon><geocode><valueName>SAME</valueName><value>004013</value></geocode><geocode><valueName>SAME</valueName><value>004021</value></geocode><geocode><valueName>UGC</valueName><value>AZC013</value></geocode><geocode><valueName>UGC</valueName><value>AZC021</value></geocode></area></info><info><language>es-US</language><category>Met</category><event>Dust Storm Warning</event><responseType>Avoid</responseType><urgency>Expected</urgency><severity>Severe</severity><certainty>Likely</certainty><eventCode><valueName>SAME</valueName><value>DSW</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>DSW</value></eventCode><effective>2025-08-21T19:29:00-07:00</effective><onset>2025-08-21T19:29:00-07:00</onset><expires>2025-08-21T20:00:00-07:00</expires><senderName>NWS Phoenix AZ</senderName><headline>Dust Storm Warning issued August 21 at 7:29PM MST until August 21 at 8:00PM MST by NWS Phoenix AZ</headline><description>The National Weather Service in Phoenix has issued a

* Dust Storm Warning for...
Maricopa County in south central Arizona...
Pinal County in southeastern Arizona...

* Until 800 PM MST.

* At 729 PM MST, a wall of dust was along a line extending from 10
miles north of Estrella to 9 miles south of Estrella Sailport to
near Chui-Chu, moving southwest at 40 mph.

HAZARD...Less than a quarter mile visibility with strong wind in
excess of 40 mph.

SOURCE...Doppler radar.

IMPACT...Dangerous life-threatening travel.

* This includes the following highways...
AZ Interstate 8 between mile markers 146 and 175.
AZ Route 238 between mile markers 27 and 44.
AZ Route 347 between mile markers 161 and 187.

Locations impacted include...
Avondale, Goodyear, Casa Grande, Maricopa, South Mountain Park,
Estrella Sailport, South Phoenix, Rainbow Valley, Stanfield, Ak-
Chin Village, Komatke, and Mobile.
</description><instruction>Dust storms lead to dangerous driving conditions with visibility
reduced to near zero. If driving, avoid dust storms if possible. If
caught in one, pull off the road, turn off your lights and keep your
foot off the brake.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>DSWPSR</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS55 KPSR 220229</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2025-08-22T02:29:00Z...storm...062DEG...33KT...33.15,-112.37 32.95,-112.18 32.79,-111.78</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.KPSR.DS.W.0008.250822T0229Z-250822T0300Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2025-08-21T20:00:00-07:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM: AVISO DE TORMENTA DE POLVO hasta las 8:00 PM MST. Espere reduccion de visibilidad.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>AVISO DE TORMENTA DE POLVO hasta las 8:00 PM MST. Estar alerta para una reduccion repentina en visibilidad. Cuando la visibilidad disminuya, mueva su vehiculo fuera de la carretera. Apague las luces y mantenga su pie fuera del freno. Se recomienda enfaticamente el tomar precauciones para los infantes, ancianos y personas con problemas respiratorios.</value></parameter><area><areaDesc>Maricopa, AZ; Pinal, AZ</areaDesc><polygon>32.72,-112.18 33.25,-112.45 33.4,-112.06 32.82,-111.71 32.79,-111.72 32.78,-111.77 32.8,-111.78 32.79,-111.87 32.77,-111.89 32.76,-112.05 32.74,-112.06 32.72,-112.18</polygon><geocode><valueName>SAME</valueName><value>004013</value></geocode><geocode><valueName>SAME</valueName><value>004021</value></geocode><geocode><valueName>UGC</valueName><value>AZC013</value></geocode><geocode><valueName>UGC</valueName><value>AZC021</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>jnseXqSCHMsRUJai1raXR0t1NS7a7RX8K6g5V8jQ4A8=</DigestValue></Reference></SignedInfo><SignatureValue>ZGUsWjRLfg9hTTILHuZRz+Nxibx7A27u215N2vqhRHMmVAHEr4puNROEzQ43brYMUgj0kwvjMRwn&#13;
6vuH2u7AXduR85e4EnJqeGDiM0RN9FZg97HYWnRIauex65Xd6jXkG2bPoUGeey0U1QCQQlSEMo1b&#13;
94v+STJBATbqi/Ri8EYzPUhqAL1IMKFv1kOktBfJQbwWm5fgGy310mXM3DC5l0gJGQ8CFzgfLsNd&#13;
7FGrWgSV++1sHcfST+Zfns6O0TLCUE4gd8eynNgqGUUoLMGWdTrFV2DrHFyCHX8PrQ/Tpntp50Rt&#13;
8DYrEqLjWakx+KZdoUxNmsyyVg+K14oiOKr5fg==</SignatureValue><KeyInfo><X509Data><X509SubjectName>CN=IPAWSOPEN200032,OU=A01410C0000018539A5624B000AC0FD,OU=Devices IPAWS,OU=National Continuity Programs,O=FEMA IPAWS,C=US</X509SubjectName><X509Certificate>MIIGMDCCBRigAwIBAgIQQAGFOaViYZG0rHv9rMr0cTANBgkqhkiG9w0BAQsFADBdMQswCQYDVQQG&#13;
EwJVUzESMBAGA1UEChMJSWRlblRydXN0MSAwHgYDVQQLExdJZGVuVHJ1c3QgR2xvYmFsIENvbW1v&#13;
bjEYMBYGA1UEAxMPSUdDIERldmljZSBDQSAxMB4XDTIyMTIyMjExNDMzOFoXDTI1MTIyMTExNDIz&#13;
OFowgaUxCzAJBgNVBAYTAlVTMRMwEQYDVQQKEwpGRU1BIElQQVdTMSUwIwYDVQQLExxOYXRpb25h&#13;
bCBDb250aW51aXR5IFByb2dyYW1zMRYwFAYDVQQLEw1EZXZpY2VzIElQQVdTMSgwJgYDVQQLEx9B&#13;
MDE0MTBDMDAwMDAxODUzOUE1NjI0QjAwMEFDMEZEMRgwFgYDVQQDEw9JUEFXU09QRU4yMDAwMzIw&#13;
ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC+0Z9bPXM1EZnsw0GsQ+3/COeZmlzV/C6Q&#13;
W3YkTMcIidrYxkEi+us3riEuSiYSf234GMsxnWVY84ESfuH+GwTy7K59FfFxAVQ0iWZ/yz8X7W+v&#13;
RKjTmygNTgrFOTGs4oj7W4cIXTDjrMjEaDvRk6toqa8cvMR3uZo1hzeZnSYPdnP+ufyXqRPmpmLe&#13;
cizt3u4U0jKYwepxhJGp6mw4iXVnQ12kYgIMpP9Z8gIgcmO019+D05gdj6fIYWrhdDyZkw3FMHpz&#13;
wf4tu/Btn6bxDfUjiFLGrDaU5MRqYQr9SJYThOHnqH6eQi/g49ImbAoC0ce47VZhzbdnHgAgEwai&#13;
HdJRAgMBAAGjggKhMIICnTAOBgNVHQ8BAf8EBAMCBaAwfQYIKwYBBQUHAQEEcTBvMCkGCCsGAQUF&#13;
BzABhh1odHRwOi8vaWdjLm9jc3AuaWRlbnRydXN0LmNvbTBCBggrBgEFBQcwAoY2aHR0cDovL3Zh&#13;
bGlkYXRpb24uaWRlbnRydXN0LmNvbS9jZXJ0cy9pZ2NkZXZpY2VjYTEucDdjMB8GA1UdIwQYMBaA&#13;
FJNyQZr/34qKK85jvM2qbXqZjqLnMIIBNAYDVR0gBIIBKzCCAScwggEjBgtghkgBhvkvAGQlAjCC&#13;
ARIwSwYIKwYBBQUHAgEWP2h0dHBzOi8vc2VjdXJlLmlkZW50cnVzdC5jb20vY2VydGlmaWNhdGVz&#13;
L3BvbGljeS9pZ2MvaW5kZXguaHRtbDCBwgYIKwYBBQUHAgIwgbUMgbJDZXJ0aWZpY2F0ZSB1c2Ug&#13;
cmVzdHJpY3RlZCB0byBSZWx5aW5nIFBhcnR5KHMpIGluIGFjY29yZGFuY2Ugd2l0aCBJR0MtQ1Ag&#13;
KHNlZSBodHRwczovL3NlY3VyZS5pZGVudHJ1c3QuY29tL2NlcnRpZmljYXRlcy9wb2xpY3kvaWdj&#13;
L2luZGV4Lmh0bWwpLiBJR0MtQ1BTIGluY29ycG9yYXRlZCBieSByZWZlcmVuY2UuMEUGA1UdHwQ+&#13;
MDwwOqA4oDaGNGh0dHA6Ly92YWxpZGF0aW9uLmlkZW50cnVzdC5jb20vY3JsL2lnY2RldmljZWNh&#13;
MS5jcmwwGgYDVR0RBBMwEYIPSVBBV1NPUEVOMjAwMDMyMB0GA1UdDgQWBBSddXzFwBiiZdAIITyR&#13;
6l6lQX/2OjAxBgNVHSUEKjAoBggrBgEFBQcDAgYIKwYBBQUHAwUGCCsGAQUFBwMGBggrBgEFBQcD&#13;
BzANBgkqhkiG9w0BAQsFAAOCAQEAVMvpSc0ZW3reZfJiBzCgWuyJ3ggYhX/EVTRxWPe2zYtxR3NW&#13;
d8LyFzfjNxcH95Fl1BmTpUNEfTDSJS3XkYqlBdYZztqk/FlYtOrYna8ClYxPamgbgkxm4RklVWPt&#13;
zbZU59wHFSMCZXG8UdIv7ogsYxQB0gxIc0RMX3aDWrJHGdi4sXMrsRhAgMVXJmXnR/CSo0i555l6&#13;
M8r9fLsNWGV0ZTkJHig506oZXaBqtexgmPtRPn2VmczTUESKCQx04X0TzHrt5lGslpc2TrGUHClt&#13;
iQu4YWJrGlDKJcSKponKaC4PEwZlv4X5dlr9mBHkwLJavrwOwXnftkQSw9oHFoOV/Q==</X509Certificate></X509Data></KeyInfo></Signature></alert>