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<MeteorologicalBulletin gml:id="uuid.b174a817-416f-420e-a753-943fe48b2944" 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.129e9bb4-005c-484a-971d-9e4314deea42" 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.2fecc57e-50a5-432a-b4e4-8888c5c86d20"><gml:timePosition>2025-04-29T17:58:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.4e670c24-e2f4-4a44-b5be-700eff43a991" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.5712bfc6-7a32-4ed0-a4f6-dd05d547f0fe"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.1f391a1d-2477-4f40-bf68-9fbd3582ba27" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.cb383996-57d9-4f00-bd93-28283ce154b9" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-04-29T17:58:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/077</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>CONS VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.527002ee-6304-4a4f-944b-1478d56d1793" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.ea05324b-02c7-4c75-89f2-1b1567fb48be"><gml:timePosition>2025-04-29T17:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.f8278a46-6450-4654-a023-c75ca219d422"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.979da788-90af-4476-bef7-23b448c56c22"><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.a03a13cd-5c2e-4380-84f1-8a19d80d6e14" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.267 -84.400 10.167 -84.400 10.183 -84.217 10.200 -84.217 10.267 -84.400</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">270</directionOfMotion><speedOfMotion uom="[kn_i]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.49f2bd4c-67a0-46e1-94d2-ae788919f369" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.47989e14-b75c-44e0-bafb-c267e97d1e21"><gml:timePosition>2025-04-29T23:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.cd498bf8-2c80-4652-ac14-ab82590f1f65"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.f7d11715-fa2a-4cf1-946c-afc4c9ba5efa"><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.f2f722b7-4ad0-4020-9669-df910792d6f9" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.200 -84.217 10.200 -84.233 10.017 -84.383 9.967 -84.250 10.200 -84.217</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.c598bcd1-8774-42f8-980d-a73b94343ffa" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.f38d06ff-ed48-417d-b317-82ea6872f6a9"><gml:timePosition>2025-04-30T05:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.47d6c7a0-cc44-4209-9694-b5bb63864c81"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.d7be8b42-07db-47e7-9170-da0b40c1cd2f"><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.90d292ec-6b88-4560-a23e-208b19e92a51" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.200 -84.233 10.050 -84.433 9.984 -84.283 10.200 -84.217 10.200 -84.233</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.5dc5fe12-98ed-4ca3-bf47-1dfe2a2922d8" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.be4a6723-77f9-4c09-9bc8-1c5dfb242157"><gml:timePosition>2025-04-30T11:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.75ffb98a-c406-455f-9858-fbc5c62c7526"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.f59f8a77-013a-410c-bef7-9239b6ba545e"><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.260614e5-8a5d-4e43-8d05-d7d2902d2ea1" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.200 -84.217 10.183 -84.233 10.067 -84.433 9.984 -84.300 10.200 -84.217</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBSD IN WEBCAM. VA EMS NOT VSBL IN STLT DUE TO MET CLDS BUT VA EMS LIKELY OBSCD. WNW MVMT EXP TO SHIFT SSW BY T+6 HRS AND EXP TO SHIFT SW BY T+12 HRS. MVMT AND HGT BASED ON WEBCAM AND NWP MDLS. ...BERTALAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.bb7973b8-c23b-492d-8711-1954572c7b52"><gml:timePosition indeterminatePosition="before">2025-04-30T00:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES291758_C_KNES_20250429180122.xml</bulletinIdentifier></MeteorologicalBulletin>