<alert><identifier>urn:oid:2.49.0.1.840.0.a2e9322423e07b5356896fab7c88382312a83c80.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2026-08-03T19:50:00-07:00</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>2026-08-03T19:50:00-07:00</effective><onset>2026-08-03T19:50:00-07:00</onset><expires>2026-08-03T21:45:00-07:00</expires><senderName>NWS Tucson AZ</senderName><headline>Dust Storm Warning issued August 3 at 7:50PM MST until August 3 at 9:45PM MST by NWS Tucson AZ</headline><description>The National Weather Service in Tucson has issued a

* Dust Storm Warning for...
Central Pima County in southeastern Arizona...
North Central Santa Cruz County in southeastern Arizona...

* Until 945 PM MST.

* At 750 PM MST, an area of blowing dust was located 10 miles
southwest of Three Points, moving west at 30 mph.

HAZARD...Less than a quarter mile visibility.

SOURCE...Detected by National Weather Service meteorologists.

IMPACT...Dangerous life-threatening travel.

* Locations impacted include...
Sells, Three Points, Topawa, San Isidro, Kitt Peak, Ali Chukson,
Cowlic, Fresnal, San Pedro, Queens Well, South Comobabi, Comobabi,
Santa Rosa Ranch, Sil Nakya, Fresnal Canyon, Artesia, Pan Tak and
Ali Molina.

This includes the following highways...
Route 86 between mile markers 110 and 152. Route 286 between mile
markers 16 and 45.
</description><instruction>Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>DSWTWC</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS55 KTWC 040250</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.KTWC.DS.W.0018.260804T0250Z-260804T0445Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-03T21:45:00-07:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS: DUST STORM WARNING til 9:45 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 9:45 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>Pima, AZ; Santa Cruz, AZ</areaDesc><polygon>31.64,-111.16 31.77,-112.01 32.4,-111.76 31.99,-111.14 32.02,-111.08 31.63,-111.13 31.64,-111.16</polygon><geocode><valueName>SAME</valueName><value>004019</value></geocode><geocode><valueName>SAME</valueName><value>004023</value></geocode><geocode><valueName>UGC</valueName><value>AZC019</value></geocode><geocode><valueName>UGC</valueName><value>AZC023</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>2026-08-03T19:50:00-07:00</effective><onset>2026-08-03T19:50:00-07:00</onset><expires>2026-08-03T21:45:00-07:00</expires><senderName>NWS Tucson AZ</senderName><headline>Dust Storm Warning issued August 3 at 7:50PM MST until August 3 at 9:45PM MST by NWS Tucson AZ</headline><description>The National Weather Service in Tucson has issued a

* Dust Storm Warning for...
Central Pima County in southeastern Arizona...
North Central Santa Cruz County in southeastern Arizona...

* Until 945 PM MST.

* At 750 PM MST, an area of blowing dust was located 10 miles
southwest of Three Points, moving west at 30 mph.

HAZARD...Less than a quarter mile visibility.

SOURCE...Detected by National Weather Service meteorologists.

IMPACT...Dangerous life-threatening travel.

* Locations impacted include...
Sells, Three Points, Topawa, San Isidro, Kitt Peak, Ali Chukson,
Cowlic, Fresnal, San Pedro, Queens Well, South Comobabi, Comobabi,
Santa Rosa Ranch, Sil Nakya, Fresnal Canyon, Artesia, Pan Tak and
Ali Molina.

This includes the following highways...
Route 86 between mile markers 110 and 152. Route 286 between mile
markers 16 and 45.
</description><instruction>Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>DSWTWC</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS55 KTWC 040250</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.KTWC.DS.W.0018.260804T0250Z-260804T0445Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-03T21:45:00-07:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM: AVISO DE TORMENTA DE POLVO hasta las 9:45 PM MST. Espere reduccion de visibilidad.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>AVISO DE TORMENTA DE POLVO hasta las 9:45 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>Pima, AZ; Santa Cruz, AZ</areaDesc><polygon>31.64,-111.16 31.77,-112.01 32.4,-111.76 31.99,-111.14 32.02,-111.08 31.63,-111.13 31.64,-111.16</polygon><geocode><valueName>SAME</valueName><value>004019</value></geocode><geocode><valueName>SAME</valueName><value>004023</value></geocode><geocode><valueName>UGC</valueName><value>AZC019</value></geocode><geocode><valueName>UGC</valueName><value>AZC023</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>3elvVBm/t08tm+hix/oro/DqWF1mygtlgCPoD9vZUSo=</DigestValue></Reference></SignedInfo><SignatureValue>d3SVj4VwDXXDGysOccbujNabW8379giaIDhR1mm2EDhlhLXJVY5lRjE3MKbsuTDLwlymJTvsxAJU&#13;
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