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<MeteorologicalBulletin gml:id="uuid.0453a8e2-e72e-43ad-8b30-3aa2465155f8" 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.cfa30f02-745f-4729-9233-8a8cf3d0bc7a" 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.de0f17db-fefb-4886-93da-8622137f9abe"><gml:timePosition>2025-05-16T05:53:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.adafffa7-9f9e-463f-b8ba-486b2e29883e" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.1d4bc498-37fa-492f-b8c3-3c5cc75f355d"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.6c292f3c-4115-4172-8fa6-471f1cfbedb3" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.4acf4c3c-0c2e-4e32-9398-99dc3e326f02" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.083 -77.650</gml:pos></gml:Point></position><eruptionDate>2025-05-16T05:53:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2025/450</advisoryNumber><informationSource>GOES-19. VONA. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>ONGOING VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.af140d3f-53f2-4f58-a20c-943deac91f66" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.5cf6dbde-4302-41a5-b33f-aafaf73c6b37"><gml:timePosition>2025-05-16T05:20:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.c3f05569-c985-40b1-937d-ed890efe176e"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.32795361-7957-4f0c-8f69-c42bc9e3a9a2"><aixm:upperLimit uom="FL">140</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.a667c2b8-c5a7-4d43-a25e-3ebfab2562a6" srsDimension="2" 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gml:id="uuid.e33c2e8f-e004-42ff-9739-2094cab8e18e"><aixm:upperLimit uom="FL">140</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.cae76744-3e2e-4e71-ae36-c202da6f1e3f" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.167 -77.884 0.033 -77.984 -0.083 -77.667 -0.083 -77.650 0.167 -77.884</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.583e1378-a82d-494b-8466-29c94a65732b" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.29e026a4-07a3-43e3-9031-a27f64cb2c3a"><gml:timePosition>2025-05-16T17:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.a599acbe-b512-4a37-a8cb-ea21d1ba7982"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.831bdef8-251c-469e-ace4-493ea10b271f"><aixm:upperLimit uom="FL">140</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.7a69d575-5aae-4aa2-9ef4-286ba643970e" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.167 -77.884 0.033 -77.984 -0.083 -77.667 -0.067 -77.650 0.167 -77.884</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.93085aa4-67e8-43f1-b13f-b9538a7d97d6" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.5552df89-c1c1-4565-b90f-89e71b8c01df"><gml:timePosition>2025-05-16T23:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.9d80c522-4ee7-4065-a321-ae1dc49618f7"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.c9be1fab-d314-4549-8ffc-034b52544816"><aixm:upperLimit uom="FL">140</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.5bf22c65-1c40-4434-a5e1-de87d7dc9281" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.233 -77.583 -0.083 -77.667 -0.083 -77.650 0.167 -77.433 0.233 -77.583</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBS IN WEBCAM AND STLT IMG MOV WNW EXT APRX 15NM FM SUMMIT. MVMT TO SHIFT NE BY T+18. FCST BASED ON VONA, STLT AND MDL WINDS. ...GATLING</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.febed735-93c4-49e5-96ed-0c318598678c"><gml:timePosition indeterminatePosition="before">2025-05-16T12:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX24KNES160553_C_KNES_20250516055335.xml</bulletinIdentifier></MeteorologicalBulletin>