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<MeteorologicalBulletin gml:id="uuid.28323e87-fb40-4a50-a1d7-46445773dc9f" 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.06376fa2-9564-4c07-8f75-7ba5f8e67a80" 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.0f8f4270-8c53-40c2-856c-b9bc5b5ba507"><gml:timePosition>2025-05-16T12:55:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.bb483bc2-6e8a-4437-8e6a-d00e85d18bc8" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.3f369992-7f4b-4494-afb4-a1848117f09e"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.b09a98c2-fccc-4fb6-ba4f-e5a7601b975b" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.33755d6e-365f-4dd3-ac9e-7fbe42a35a7c" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-05-16T12:55:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/139</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>POSS VA EMS CONTG</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.bc5e0659-01a6-4875-9cd5-f158da165786" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.2503e5b0-4bd2-4fe6-8e5c-c4f2e55ae708"><gml:timePosition>2025-05-16T12:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.9955d56d-12bf-4bd1-881c-094801d932cd"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.14585e9f-057c-44a4-881b-55771e8075e6"><aixm:upperLimit uom="FL">100</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.ac6061fe-0455-4bde-bb73-dd35b86ff0a4" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.300 -84.333 10.250 -84.367 10.183 -84.233 10.200 -84.233 10.300 -84.333</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]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.93a1fabe-a7bd-4d08-8a86-9c4946be8c8d" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.d9b6e301-f6db-4f48-9ee0-5f464883547f"><gml:timePosition>2025-05-16T18:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.9e23a5f7-a7b1-4708-9948-2d957366384b"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.76f7e160-fb41-46e8-8640-d82f0d69a906"><aixm:upperLimit uom="FL">100</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.49b2db75-9cfb-4ffd-afd7-8996b90842f6" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.367 -84.350 10.300 -84.383 10.200 -84.233 10.200 -84.233 10.367 -84.350</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.2c3b3fa5-675e-4ec3-9852-925cb3b1ef4a" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.a061df82-f388-4c86-868b-917dced98ca3"><gml:timePosition>2025-05-17T00:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.b4737bef-673e-4250-b08d-45a9caeb5fde" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.4ff405dd-2306-48d4-bdac-426037beb997"><gml:timePosition>2025-05-17T06:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>EMS SEEN IN WEBCAM BUT DIFFICULT TO SEE IF VA IS CONTAINTED WITHIN PLUME. VA NOT SEEN IN SAT DUE TO MET CLDS. GUIDANCE SHOWS A CONT NW MOV THRU T+6 HRS. MOV AND HGT BASED ON MODEL GUIDANCE. ...KIBLER</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.11c18735-cf20-4c20-ad1b-ee8effbdae5b"><gml:timePosition indeterminatePosition="before">2025-05-16T19:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES161255_C_KNES_20250516125540.xml</bulletinIdentifier></MeteorologicalBulletin>