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<MeteorologicalBulletin gml:id="uuid.0c2c152f-714b-4731-8504-895737f9e3fa" 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.df143f32-83a2-4aa8-9c55-d543f024bb17" 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.2d7d71a7-39d0-4c5b-ab3c-181604306fc1"><gml:timePosition>2025-08-18T12:51:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.69b7c56a-1a3c-48bd-9c96-b080f0887114" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.8ed90825-7b24-4c91-a83c-2eae7f953656"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.f83e4cf2-ef24-4ae5-96e3-19ed3e000526" xmlns="http://def.wmo.int/metce/2013"><name>POPOCATEPETL 341090</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.beb3bf02-10e9-46a5-9511-e4fbc70362b6" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>19.017 -98.617</gml:pos></gml:Point></position><eruptionDate>2025-08-18T12:51:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>MEXICO</stateOrRegion><summitElevation uom="[ft_i]">17693</summitElevation><advisoryNumber>2025/319</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS OBS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.89aee9d0-58c6-4bb5-bee3-0a557ef145ff" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.7a30540b-5be2-4f31-8fa4-34c4375c41ce"><gml:timePosition>2025-08-18T12:41:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.b09aeebb-9055-46b5-a193-3e4bfee8dfb1"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.8a42ebe9-7216-4c1b-880b-4ea891109774"><aixm:upperLimit uom="FL">220</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.57658f16-644e-4f9c-9479-6d773957a3c2" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">19.167 -98.834 19.033 -98.900 18.984 -98.617 19.033 -98.617 19.167 -98.834</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">315</directionOfMotion><speedOfMotion uom="[kn_i]">15</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.f4c078fc-7d33-49d1-8b89-8a373569d99b" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.0d575977-616d-44ef-98ec-1e68abd748e4"><gml:timePosition>2025-08-18T18:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.5ecfb8df-7ed3-409b-9913-0a12888c8e86"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.1f33ede1-0795-42bc-8eba-513aae391e9d"><aixm:upperLimit uom="FL">220</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.fd493344-bccb-493d-8bbe-7ae3fd7935f3" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">19.467 -99.383 19.033 -99.533 18.984 -98.617 19.017 -98.583 19.467 -99.383</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.89662084-f7c0-47d1-bcdf-04157cd64c24" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.22ad2072-f4e6-4227-a693-8e7f4305bd75"><gml:timePosition>2025-08-19T00:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.34586341-796c-47b9-8c07-6c2f8427fe5d"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.1c6120e3-4d37-459d-93ed-d5ac29ec246e"><aixm:upperLimit uom="FL">220</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.6a41c2a9-e3a6-4d99-919b-92d7c02fd584" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">19.667 -99.233 19.267 -99.433 18.984 -98.617 19.017 -98.600 19.667 -99.233</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.47e0bfd6-5100-4e8f-bf69-13f28cbdb0b6" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.459b2055-f608-4569-acc7-7df89185ba6e"><gml:timePosition>2025-08-19T06:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS SEEN IN WEBCAM MOVNG WNW. VA EMS OBS IN STLT IMG UP TO APPRX 16NM FM SUMMIT. NWP MDL GUIDANCE FCSTS WNW TO NW MOVMT THRU T+12. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.4ef2799e-45ef-47d7-8ffa-e9d6bcae2f45"><gml:timePosition indeterminatePosition="before">2025-08-18T18:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX26KNES181251_C_KNES_20250818125257.xml</bulletinIdentifier></MeteorologicalBulletin>