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<MeteorologicalBulletin gml:id="uuid.bc1cd79e-d8c9-4486-8ac5-7ac22fea81f6" 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.898e79a3-9fe7-4aff-b1aa-9e7a6b80a5dd" 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.2f5db137-5427-4055-ad46-0c70f115ba01"><gml:timePosition>2025-04-03T22:57:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.8478f416-6cc5-4c6d-aaa8-42e586252be4" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.0730771f-48b5-49c4-b3c5-00587f4d9cd0"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.b9336454-e2b6-4128-af56-6a90dcd4ab5c" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.cebcf80e-1e85-472a-9414-e2b71b58d0ef" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-04-03T22:57:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/016</advisoryNumber><informationSource>GOES-16. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>ONGOING VA EMS.</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.1cfdfd54-eacf-4337-9b1d-e0784e2f4743" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.62732c7e-8baa-40ca-a0f0-8e38034ce3bb"><gml:timePosition>2025-04-03T22:20:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.8b9ecda4-46df-49b5-8d2d-a7a0bc7208c9"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.85f3cdc4-e080-4fd7-9799-3d53d08648e8"><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.5a00e9ec-bc42-4ccc-8a95-b6cae0ddddb9" srsDimension="2" 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gml:id="uuid.a30315fd-fac5-4b8d-b721-4022b18591df"><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.5f1b7898-fcb5-407e-8363-5557fa9e30a3" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.233 -84.317 10.167 -84.317 10.183 -84.217 10.217 -84.217 10.233 -84.317</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.1c394ea2-3564-451a-a9ab-a77cfa3e2468" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.512c1e8d-5a84-419d-a723-15e9b0b4ad1f"><gml:timePosition>2025-04-04T10:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.5c38f0fe-b6e0-4361-a831-2586d43b5503"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.f388b8b2-2fb1-4210-a935-dfd75dae6d18"><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.adb95063-789f-46cd-b0a2-edfc732a4de3" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.233 -84.317 10.167 -84.317 10.167 -84.217 10.217 -84.217 10.233 -84.317</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.c28f9716-0cbc-4ec4-b2e7-dd0d69e2673c" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.0acdaf8d-ee2b-4704-8506-86d77fd5625b"><gml:timePosition>2025-04-04T16:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.a5d27d44-f10e-4d2b-b4fe-eeffcf190fad"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.1583994b-ce31-4938-93f4-2a79ec571baf"><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.c85be9d6-89f6-4f43-ba02-8ee48e303f99" 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 -84.267 10.183 -84.317 10.183 -84.217 10.217 -84.217 10.267 -84.267</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>DENSE VA EMS NOTED IN CLD COVER BREAKS IN WEBCAM. VA ALSO SEEN DRIFTING NEAR AND TO THE W OF THE SUMMIT IN IR STLT IMAGERY. ...LEE</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.6c1a691b-dac0-4fe8-aa36-9dd04527b146"><gml:timePosition indeterminatePosition="before">2025-04-04T05:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES032257_C_KNES_20250403225838.xml</bulletinIdentifier></MeteorologicalBulletin>