<alert><identifier>urn:oid:2.49.0.1.840.0.c215f307549039f2e38db691fc0ee61ce8fae5d4.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2026-08-05T23:02:00-07:00</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>2026-08-05T23:02:00-07:00</effective><onset>2026-08-05T23:02:00-07:00</onset><expires>2026-08-06T01:00:00-07:00</expires><senderName>NWS Tucson AZ</senderName><headline>Dust Storm Warning issued August 5 at 11:02PM MST until August 6 at 1:00AM 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...

* Until 100 AM MST.

* At 1102 PM MST, a wall of dust was located along a line from 11
miles north of Arivaca to near Marana, moving west at 15 mph.

HAZARD...Less than a quarter mile visibility with damaging winds in
excess of 60 mph.

SOURCE...Detected by National Weather Service meteorologists.

IMPACT...Dangerous life-threatening travel.

* Locations impacted include...
Sells, Three Points, Topawa, San Miguel, San Isidro, Kitt Peak,
Picture Rocks, Ali Chukson, Gu Oidak, Vamori, South Komelik,
Cowlic, Fresnal, San Pedro, Choulic, Queens Well, Coldfields,
Sasabe and No:ligk.

This includes the following highways...
Route 86 between mile markers 102 and 155. Route 286 between mile
markers 1 and 45.
</description><instruction>Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!

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>DSWTWC</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS55 KTWC 060602</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-08-06T06:02:00Z...storm...100DEG...12KT...31.74,-111.34 32.05,-111.27 32.36,-111.2</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.0021.260806T0602Z-260806T0800Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-06T01:00:00-07:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS: DUST STORM WARNING til 1:00 AM 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 1:00 AM 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</areaDesc><polygon>32.33,-111.21 32.03,-111.24 31.44,-111.41 31.66,-112.04 32.15,-112.02 32.46,-111.92 32.33,-111.21</polygon><geocode><valueName>SAME</valueName><value>004019</value></geocode><geocode><valueName>UGC</valueName><value>AZC019</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>2026-08-05T23:02:00-07:00</effective><onset>2026-08-05T23:02:00-07:00</onset><expires>2026-08-06T01:00:00-07:00</expires><senderName>NWS Tucson AZ</senderName><headline>Dust Storm Warning issued August 5 at 11:02PM MST until August 6 at 1:00AM 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...

* Until 100 AM MST.

* At 1102 PM MST, a wall of dust was located along a line from 11
miles north of Arivaca to near Marana, moving west at 15 mph.

HAZARD...Less than a quarter mile visibility with damaging winds in
excess of 60 mph.

SOURCE...Detected by National Weather Service meteorologists.

IMPACT...Dangerous life-threatening travel.

* Locations impacted include...
Sells, Three Points, Topawa, San Miguel, San Isidro, Kitt Peak,
Picture Rocks, Ali Chukson, Gu Oidak, Vamori, South Komelik,
Cowlic, Fresnal, San Pedro, Choulic, Queens Well, Coldfields,
Sasabe and No:ligk.

This includes the following highways...
Route 86 between mile markers 102 and 155. Route 286 between mile
markers 1 and 45.
</description><instruction>Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!

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>DSWTWC</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WWUS55 KTWC 060602</value></parameter><parameter><valueName>eventMotionDescription</valueName><value>2026-08-06T06:02:00Z...storm...100DEG...12KT...31.74,-111.34 32.05,-111.27 32.36,-111.2</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.0021.260806T0602Z-260806T0800Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-06T01:00:00-07:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM: AVISO DE TORMENTA DE POLVO hasta las 1:00 AM MST. Espere reduccion de visibilidad.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>AVISO DE TORMENTA DE POLVO hasta las 1:00 AM 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</areaDesc><polygon>32.33,-111.21 32.03,-111.24 31.44,-111.41 31.66,-112.04 32.15,-112.02 32.46,-111.92 32.33,-111.21</polygon><geocode><valueName>SAME</valueName><value>004019</value></geocode><geocode><valueName>UGC</valueName><value>AZC019</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>bU07vNW80dc2RfttOuTphAXRgW1vamccFBjNplpGjjo=</DigestValue></Reference></SignedInfo><SignatureValue>HnJ5qpx2s0bS+qqsXzlRGStdCkymMr1iiW9egrJxbTlhxSP9iPFWvgw00INEgtn1Bi5QTonEs/NZ&#13;
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