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<MeteorologicalBulletin gml:id="uuid.b1d0f663-5bf6-4a59-b926-8c1a92e6ee04" 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.ca74345d-1486-4139-a51d-71b790a91ba4" 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.be3a1098-8832-4df7-8e61-5f7a3ce67618"><gml:timePosition>2025-05-04T16:49:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.67db021c-3a85-40e0-b0c4-6ee31e359bb2" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.e05767c1-3d1d-45b0-9789-6906486aac49"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.f6b405f8-90ec-44b6-8eda-8d410a865b22" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.47c6607d-d5c3-4e95-bddc-555c9a1bddb7" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-05-04T16:49:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/097</advisoryNumber><informationSource>GOES-19. VONA. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS OBSD IN WEBCAM</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.36cff438-1248-4a56-93dc-9c7b44f9a4b6" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.daae904b-9796-487d-a6b3-1c68f7a33f79"><gml:timePosition>2025-05-04T16:10:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.3ce66bd7-aae0-4c4a-9e25-c4643d297995"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.24bfcf20-3e4f-4918-9a91-6be2d850922d"><aixm:upperLimit uom="FL">110</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.db2b1447-1521-491b-bf60-a975e36cda68" srsDimension="2" 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gml:id="uuid.3d89740b-2b6a-45b1-8a9d-176477182e07"><gml:timePosition>2025-05-05T04:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.4de47818-9d3a-4422-84d4-178cb1c51cd7"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.8bebe263-37ac-4c08-8500-dc63888696cf"><aixm:upperLimit uom="FL">110</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.d92d8a0a-0c35-4d59-8f6d-801751760f3f" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.217 -84.233 10.133 -84.500 9.984 -84.433 10.200 -84.217 10.217 -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.cfa6bc33-fa27-41b2-9231-2aa7863766f3" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.1c34625a-d00f-416c-84df-b1f51f5002da"><gml:timePosition>2025-05-05T10:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.ef6c1c8e-9f6a-4b9c-bafe-dcc6aa80c55f"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.e571a6a3-6dcc-4cca-b21a-7f3c09adde40"><aixm:upperLimit uom="FL">110</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.0a9dc937-7eb0-41a9-8291-b301daa608af" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.217 -84.233 10.150 -84.517 10.017 -84.433 10.200 -84.217 10.217 -84.233</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 AND RPTD IN VONA. VA EMS NOT VSBL IN STLT IMG DUE TO MET CLDS. LTLCG IN FCST EXP THRU T+18 HRS. MVMT AND HGT BASED ON VONA, WEBCAM OBS AND NWP MDLS. ...BERTALAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.f90eeb3f-84d7-451d-bc80-1a54b52c73c7"><gml:timePosition indeterminatePosition="before">2025-05-04T23:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES041649_C_KNES_20250504165142.xml</bulletinIdentifier></MeteorologicalBulletin>