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<MeteorologicalBulletin gml:id="uuid.420f27ff-1976-4e66-af61-55859b0a7433" 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.26955af5-a542-4b09-9b36-9879c01ea68c" 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.04e399d1-3daf-4af0-8071-27938b76d254"><gml:timePosition>2025-05-20T05:25:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.806a113e-3bba-42a6-9eb8-4b239e6b6fd8" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.10c13101-f003-4884-862e-9f8791f32360"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.5ab8c1d7-4c11-43dc-8ddc-e3fd109cc29a" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.523af50d-5a1e-428a-9441-5b0fcaf4897d" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-05-20T05:25:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/144</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>ONGOING VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.a8406b40-4e11-4424-9e38-f0fdd573ba0d" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.3e11a480-5ece-4daf-92da-7254246814ca"><gml:timePosition>2025-05-20T05:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.90dabc49-7f45-4886-b969-ea915b668d39"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.00eb8d4c-a8c5-4f04-912e-f200904eb86b"><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.cf170a75-a0ef-4f72-8069-e1ba3f045488" 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 10.183 -84.317 10.183 -84.233 10.200 -84.217 10.233 -84.317</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.e2b1173b-0e35-4f0c-a33c-91b95addacdc" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.bb619696-45d6-47ff-8d07-14bc362d44b2"><gml:timePosition>2025-05-20T11:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.ac4403dc-c393-40e7-80e2-150e93154e76"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.246facca-c643-4c03-bd80-f7197b609a48"><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.9a2f0c29-0b2b-425e-92f3-092901c2f8f3" 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 10.183 -84.317 10.200 -84.217 10.200 -84.233 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.c892d830-cb8e-45d3-9a2b-685d20fed9b7" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.d0837b48-a4c1-476b-bd09-73deb5c3e4ed"><gml:timePosition>2025-05-20T17:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.f9237b25-8a86-46dd-aa61-b18e9b059ebb" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.b3ca1c3c-4737-44c9-b2bb-906afe264dd7"><gml:timePosition>2025-05-20T23:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA NOT DETECTED ON STLT DUE TO WX CLDS ON SUMMIT AREA. WEBCAM SHOWS CONS STEAM/GAS EMS WITH SOME VA LIKELY. NO CHG FCST TO MDL WINDS AT FL NXT 6 HR. ...KONON</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.fb5bde88-be7b-4dfd-82df-4c60ecb57315"><gml:timePosition indeterminatePosition="before">2025-05-20T11:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES200525_C_KNES_20250520052616.xml</bulletinIdentifier></MeteorologicalBulletin>