<alert><identifier>urn:oid:2.49.0.1.840.0.eace1eb1ffab987c42adfa233ab9aa5d8853bc4e.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2026-08-23T20:51:00-07:00</sent><status>Actual</status><msgType>Alert</msgType><source>211803 v2.3.0</source><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>2026-08-23T20:51:00-07:00</effective><onset>2026-08-23T20:51:00-07:00</onset><expires>2026-08-23T21:30:00-07:00</expires><senderName>NWS Phoenix AZ</senderName><headline>Dust Storm Warning issued August 23 at 8:51PM MST until August 23 at 9:30PM 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 930 PM MST.

* At 850 PM MST, a wall of dust was along a line extending from near
Usery Mountain Park to Tempe to 7 miles north of Estrella Sailport,
moving northwest at 35 mph.

HAZARD...Less than a quarter mile visibility with strong wind in
excess of 50 mph.

SOURCE...NWS Employee.

IMPACT...Dangerous life-threatening travel.

* This includes the following highways...
AZ Interstate 10 between mile markers 125 and 160.
AZ Interstate 17 between mile markers 195 and 215.
AZ Route 51 between mile markers 1 and 15.

Locations impacted include...
Phoenix, Mesa, Glendale, Scottsdale, Tempe, Avondale, Goodyear,
Apache Junction, Fountain Hills, Paradise Valley, Tolleson, Laveen,
Cashion, East Mesa, and Sun City.
</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.

Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>DSWPSR</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS55 KPSR 240351</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-08-24T03:50:00Z...storm...140DEG...28KT...33.44,-111.6 33.39,-111.9 33.2,-112.15</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.0019.260824T0351Z-260824T0430Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-23T21:30:00-07:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS: DUST STORM WARNING til 9:30 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 9:30 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>33.75,-111.77 33.67,-112.17 33.46,-112.43 33.15,-112.19 33.37,-111.88 33.44,-111.52 33.75,-111.77</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>2026-08-23T20:51:00-07:00</effective><onset>2026-08-23T20:51:00-07:00</onset><expires>2026-08-23T21:30:00-07:00</expires><senderName>NWS Phoenix AZ</senderName><headline>Dust Storm Warning issued August 23 at 8:51PM MST until August 23 at 9:30PM 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 930 PM MST.

* At 850 PM MST, a wall of dust was along a line extending from near
Usery Mountain Park to Tempe to 7 miles north of Estrella Sailport,
moving northwest at 35 mph.

HAZARD...Less than a quarter mile visibility with strong wind in
excess of 50 mph.

SOURCE...NWS Employee.

IMPACT...Dangerous life-threatening travel.

* This includes the following highways...
AZ Interstate 10 between mile markers 125 and 160.
AZ Interstate 17 between mile markers 195 and 215.
AZ Route 51 between mile markers 1 and 15.

Locations impacted include...
Phoenix, Mesa, Glendale, Scottsdale, Tempe, Avondale, Goodyear,
Apache Junction, Fountain Hills, Paradise Valley, Tolleson, Laveen,
Cashion, East Mesa, and Sun City.
</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.

Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>DSWPSR</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS55 KPSR 240351</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-08-24T03:50:00Z...storm...140DEG...28KT...33.44,-111.6 33.39,-111.9 33.2,-112.15</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.0019.260824T0351Z-260824T0430Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-23T21:30:00-07:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM: AVISO DE TORMENTA DE POLVO hasta las 9:30 PM MST. Espere reduccion de visibilidad.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>AVISO DE TORMENTA DE POLVO hasta las 9:30 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>33.75,-111.77 33.67,-112.17 33.46,-112.43 33.15,-112.19 33.37,-111.88 33.44,-111.52 33.75,-111.77</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>+Gu4WOwhB3qPl9LD4eM8YYIEpYv4AyKopQqLlLxPpN4=</DigestValue></Reference></SignedInfo><SignatureValue>W5G6yAczWp8z9OwGkRnvP9NcnzpKRgEDtH+tKsI9fzZE8dFl78w6QFK5HZVqassCiCtdru9mUfS2&#13;
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