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<!--This atom/xml feed is an index to active advisories, watches and warnings issued by the National Weather Service.  This index file is not the complete Common Alerting Protocol (CAP) alert message.  To obtain the complete CAP alert, please follow the links for each entry in this index.  Also note the CAP message uses a style sheet to convey the information in a human readable format.  Please view the source of the CAP message to see the complete data set.  Not all information in the CAP message is contained in this index of active alerts.-->
<alert xmlns="urn:oasis:names:tc:emergency:cap:1.1"><!-- http-date = Thu, 16 Nov 2023 05:55:00 GMT --><identifier>NOAA-NWS-ALERTS-ID12666C7E388C.AirStagnationAdvisory.12666C9CCEA0ID.BOINPWBOI.cd44f417370048842b5fe715936b7ee9</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2023-11-16T10:55:00-07:00</sent><status>Actual</status><msgType>Alert</msgType><scope>Public</scope><note>Alert for Lower Treasure Valley; Upper Weiser River (Idaho) Issued by the National Weather Service</note><info><category>Met</category><event>Air Stagnation Advisory</event><urgency>Expected</urgency><severity>Minor</severity><certainty>Likely</certainty><eventCode><valueName>SAME</valueName><value/></eventCode><effective>2023-11-16T10:55:00-07:00</effective><expires>2023-11-18T11:00:00-07:00</expires><senderName>NWS Boise (Southwestern Idaho and Eastern Oregon)</senderName><headline>Air Stagnation Advisory issued November 16 at 10:55AM MST until November 18 at 11:00AM MST by NWS Boise</headline><description>...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM MSTSATURDAY...* WHAT...A continuing period of stagnant air, with light windsand little vertical mixing. Conditions will improve Saturdayafternoon.* WHERE...In Idaho, Lower Treasure Valley ID and Upper WeiserRiver. In Oregon, Oregon Lower Treasure Valley.* WHEN...Until 11 AM MST Saturday.* IMPACTS...Periods of air stagnation can lead to the buildup ofpollutants and areas of patchy fog at the surface.</description><instruction>An Air Stagnation Advisory concerns itself with meteorologicalconditions only. For more information on air pollution in Idaho,visit website www.deq.idaho.gov. For Oregon, visit websitewww.oregon.gov/deq.If possible, reduce or eliminate activities that contribute toair pollution, such as outdoor burning, and the use ofresidential wood burning devices. Reduce vehicle trips andvehicle idling as much as possible.</instruction><parameter><valueName>WMOHEADER</valueName><value/></parameter><parameter><valueName>UGC</valueName><value>IDZ012-033-ORZ064</value></parameter><parameter><valueName>VTEC</valueName><value>/O.EXT.KBOI.AS.Y.0003.000000T0000Z-231118T1800Z/</value></parameter><parameter><valueName>TIME...MOT...LOC</valueName><value/></parameter><area><areaDesc>Lower Treasure Valley; Upper Weiser River</areaDesc><polygon/><geocode><valueName>FIPS6</valueName><value>016003</value></geocode><geocode><valueName>FIPS6</valueName><value>016027</value></geocode><geocode><valueName>FIPS6</valueName><value>016045</value></geocode><geocode><valueName>FIPS6</valueName><value>016075</value></geocode><geocode><valueName>FIPS6</valueName><value>016087</value></geocode><geocode><valueName>UGC</valueName><value>IDZ012</value></geocode><geocode><valueName>UGC</valueName><value>IDZ033</value></geocode></area></info></alert>
