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<MeteorologicalBulletin gml:id="uuid.454836b3-4748-4922-9b7c-64f3f5d691ab" xmlns="http://def.wmo.int/collect/2014" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://def.wmo.int/collect/2014 http://schemas.wmo.int/collect/1.2/collect.xsd"><meteorologicalInformation><VolcanicAshAdvisory gml:id="uuid.0adcab12-93fb-419b-99d1-30402638878a" permissibleUsage="OPERATIONAL" reportStatus="NORMAL" xmlns="http://icao.int/iwxxm/3.0" xmlns:aixm="http://www.aixm.aero/schema/5.1.1" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://icao.int/iwxxm/3.0 http://schemas.wmo.int/iwxxm/3.0/iwxxm.xsd"><issueTime><gml:TimeInstant gml:id="uuid.151f6e28-d63d-46ec-9974-640ffbeae370"><gml:timePosition>2025-12-07T22:07:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.1955a7f3-2bde-4d82-b5d1-8cc23f975de3" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.de01f7f3-2906-4a99-91fc-e17c36957be1"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.c7ec7e4c-903a-43cc-a159-162cdd383469" xmlns="http://def.wmo.int/metce/2013"><name>POPOCATEPETL 341090</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.b5f069d1-6cd3-4341-bf57-974c2b2108c9" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>19.017 -98.617</gml:pos></gml:Point></position><eruptionDate>2025-12-07T22:07:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>MEXICO</stateOrRegion><summitElevation uom="[ft_i]">17693</summitElevation><advisoryNumber>2025/505</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS LIKELY</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.10d279e6-c1f9-40d2-b66d-6c5593f9e7fd" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.75f775a8-9c97-4d90-a83f-24899fda7b5a"><gml:timePosition>2025-12-07T21:46:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.eb8e0c72-67f0-4a73-b2d2-df90cd148655"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.111aad82-a410-4e50-b1a9-8cbc3a90a14f"><aixm:upperLimit uom="FL">200</aixm:upperLimit><aixm:upperLimitReference>STD</aixm:upperLimitReference><aixm:lowerLimit>GND</aixm:lowerLimit><aixm:lowerLimitReference>SFC</aixm:lowerLimitReference><aixm:horizontalProjection><aixm:Surface axisLabels="Lat Long" gml:id="uuid.7ec1c752-cf74-4785-b559-dc1aa646582d" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">19.133 -98.383 19.033 -98.617 18.984 -98.600 18.967 -98.367 19.133 -98.383</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">90</directionOfMotion><speedOfMotion uom="[kn_i]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.6202d27b-9c9e-4e7e-8155-9b39d519b3ae" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.19e10d34-d739-47c2-935e-9647e7153f27"><gml:timePosition>2025-12-08T04:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.37e2507f-ff17-401f-a52a-f9fe0aa45423"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.268a04f4-d07c-4374-91a8-5ffc87c91e5a"><aixm:upperLimit uom="FL">200</aixm:upperLimit><aixm:upperLimitReference>STD</aixm:upperLimitReference><aixm:lowerLimit>GND</aixm:lowerLimit><aixm:lowerLimitReference>SFC</aixm:lowerLimitReference><aixm:horizontalProjection><aixm:Surface axisLabels="Lat Long" gml:id="uuid.d9d55d81-2629-4af3-b63f-85d6b25ac1f3" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">19.200 -98.283 19.033 -98.617 18.984 -98.617 18.934 -98.233 19.200 -98.283</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.4d42f64b-b7ab-49ab-b676-6442079e62c6" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.0e6b3d15-abc2-4a12-9b4c-375133ed919c"><gml:timePosition>2025-12-08T10:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.85635c7e-f9f9-47bc-bff3-015453676c0c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.3677084f-6901-4c0c-b539-ca24b03b065c"><aixm:upperLimit uom="FL">200</aixm:upperLimit><aixm:upperLimitReference>STD</aixm:upperLimitReference><aixm:lowerLimit>GND</aixm:lowerLimit><aixm:lowerLimitReference>SFC</aixm:lowerLimitReference><aixm:horizontalProjection><aixm:Surface axisLabels="Lat Long" gml:id="uuid.c2b44536-9276-457b-868c-0cdd82019bfa" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">19.233 -98.283 19.033 -98.617 18.984 -98.617 19.000 -98.217 19.233 -98.283</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.eabc06ea-63d3-4e59-b431-e233a8a15078" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.d035f40a-119a-4f04-88ce-8389a80d6852"><gml:timePosition>2025-12-08T16:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS REMAIN PSBL ENE OF SUMMIT BUT STLT IMAGERY AND WEBCAM ARE OBSCD BY WX CLDS. VA FCST THRU T+12 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.340a7917-999b-45ac-9f72-5acf4fe64fa7"><gml:timePosition indeterminatePosition="before">2025-12-08T04:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES072207_C_KNES_20251207220812.xml</bulletinIdentifier></MeteorologicalBulletin>