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<MeteorologicalBulletin gml:id="uuid.d0dc0163-20db-447e-9dea-9111bc5c4f26" 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.4ce6d996-badf-4712-befa-d36483657067" 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.a6987083-9a47-42f9-8525-7f65d2046434"><gml:timePosition>2025-08-09T07:32:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.cb5e1dd7-7dde-4fdc-8fca-fbf9187b14ba" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.e269c827-73cc-46ce-950e-c42e31c12052"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.c2554dac-e658-4e23-b238-9d5f43a0107c" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.4572a3f5-1b9a-4789-a2fe-068859ac68fb" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-08-09T07:32:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/166</advisoryNumber><informationSource>GOES-19. VONA. NWP MODELS.</informationSource><eruptionDetails>VONA RPTD VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.04a5d609-973f-4fdf-a4b7-c956c28d2cb7" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.874b4641-44bf-4dac-ade3-530fa7a6a1e2"><gml:timePosition>2025-08-09T06:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.4be3ffb9-c6c9-4c40-81ee-0f46d65fa4c8"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.520075de-57ca-4126-bba8-74268d9016c0"><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.36df6908-230e-4b3d-88df-9e8abe42774d" 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 -84.233 10.133 -84.450 10.050 -84.350 10.183 -84.217 10.233 -84.233</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">225</directionOfMotion><speedOfMotion uom="[kn_i]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.5fb2d28e-3e4f-4ea6-9887-f4e36e9c25e5" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.79ab105f-5922-4890-9110-83920df1c2fe"><gml:timePosition>2025-08-09T13:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.389c7678-1ee7-4138-bfb0-e6b6bd3d0555"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.5062c12a-73c9-4512-9ca4-0c0fa41abe11"><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.032c69d0-b02d-4ed3-b792-033c887a30d3" 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 -84.250 10.083 -84.583 9.967 -84.433 10.183 -84.217 10.217 -84.250</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.79cfbd1b-8ef6-4ff2-ae32-53da6dac7d44" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.3265ddca-1e96-4034-b88a-f356803abc2b"><gml:timePosition>2025-08-09T19:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.937029c5-224c-4f53-88b0-e366a517cadb" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.23622e0f-877d-4f55-99b1-9867af416519"><gml:timePosition>2025-08-10T01:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VONA RCVD. HOT SPOT ACT VSBL NEAR SUMMIT IN STLT IMG. VA EMS NOT OBSD IN STLT IMG DUE TO MET CLDS BUT VA EMS MAY BE OBSCD. LTLCG IN FCST EXP THRU T+6 HRS. MVMT AND HGT BASED ON VONA, STLT OBS AND NWP MDLS. ...BERTALAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.a7496d0a-67d9-4e4f-bc6c-ee6450f793cc"><gml:timePosition indeterminatePosition="before">2025-08-09T13:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX27KNES090732_C_KNES_20250809073330.xml</bulletinIdentifier></MeteorologicalBulletin>