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<MeteorologicalBulletin gml:id="uuid.f03e0f9d-a96d-4ccd-b86b-9f9df3898b0e" 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.bf889af2-fc32-439d-99c0-484858e95fb3" 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.929331f4-d351-4a74-a351-363b54b4df6f"><gml:timePosition>2025-04-25T22:58:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.7fcbdfdb-be38-47d6-beea-687de9ab926e" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.8485ce8d-1643-45f0-a367-2db9a6e62e79"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.0dedfa4b-7dec-489a-becc-7361a92619da" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.ddbb5692-f860-4c2f-9a52-02e6d2956713" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-04-25T22:58:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/062</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>PSBL VA EMS.</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.eb2c9150-dba9-4b7b-a576-53cafcaf524b" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.2babc584-adcf-4a49-bcf2-005fd7f8bbd5"><gml:timePosition>2025-04-25T22:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.3e3dae4b-1b14-4e05-864b-6f4e433e538c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.82afcb1b-a663-4198-aa25-d152b11c9c41"><aixm:upperLimit uom="FL">120</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.4c427970-2a0f-480b-a598-51acd5bda6b0" srsDimension="2" 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gml:id="uuid.a98cd0ba-0a7a-4dbc-ba8b-4b455e633ab8"><gml:timePosition>2025-04-26T10:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.194b4a5c-4a1f-43e6-a0fd-b6c406d6e84d"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.2e6fce3d-5a2b-4bf4-8a00-bc495c2ddd0f"><aixm:upperLimit uom="FL">120</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.9a49ca1d-a265-4a57-851a-f29f8789e8e2" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.350 -84.083 10.200 -84.233 10.183 -84.217 10.167 -84.000 10.350 -84.083</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.f006f382-6be9-4a5d-ae4d-a434ecb92082" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.03aaaa14-1838-413f-8366-8c899e2f4711"><gml:timePosition>2025-04-26T16:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.e76ea402-0ebe-4ec1-92bf-51f8dc6cbd1c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.38021ded-4db1-401e-920f-bb5022e362cc"><aixm:upperLimit uom="FL">120</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.9a744b18-5afc-4d05-8a0b-a77b1fb76bec" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.433 -84.017 10.200 -84.233 10.183 -84.233 10.267 -83.934 10.433 -84.017</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>WEBCAM SHOWS IMPRESSIVE STEAM AND GAS PLUME EXITING CALDERA TO THE NE. EMS MAY CONTAIN LGT VA CONTENT. VA NOT CLRLY DETECTED BY STLT. FL ESTD FM WEBCAM. NWP MDLS FCST E TO NE MOVMT THRU T+18HRS. ...HOSLEY</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.6c1a85fb-0710-4cf1-8f7e-831502e54a16"><gml:timePosition indeterminatePosition="before">2025-04-26T05:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES252258_C_KNES_20250425225857.xml</bulletinIdentifier></MeteorologicalBulletin>