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<MeteorologicalBulletin gml:id="uuid.19ad13ab-67db-441a-836b-b82542a429c8" 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.2a35d8f0-fe8f-4d06-a12b-995e9ee6911a" 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.aae8fe9f-d12c-4836-9c37-02de8faf9241"><gml:timePosition>2025-05-20T11:23:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.0d6338cc-0013-4073-9d0b-94eaaca0eeb1" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.273711bd-fc30-49bd-a713-31149e91acc7"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.962bb845-d216-49d3-8800-9da6594cb523" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.d86f2888-daf1-4595-adff-80480ef3f74e" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-05-20T11:23:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/145</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>PSBL VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.4e1d7c75-48d7-43ae-8e4e-78bb36ac35ca" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.2a317ed3-7b97-465f-a705-3fc7f22cc0fc"><gml:timePosition>2025-05-20T10:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.35970a14-c246-4f34-9a4c-6846f4a85b97"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.2eea19bc-4020-46df-b004-4ca439d99830"><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.9a5e48f9-414a-44ff-b32a-ee686fb26e1b" 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 -84.400 10.133 -84.383 10.183 -84.217 10.200 -84.217 10.217 -84.400</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.8c142680-50eb-494a-9e73-a304addd6aa2" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.e0b28e44-b4de-4cee-a6ae-8f888b231902"><gml:timePosition>2025-05-20T17:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.240ddcc4-c7f5-4407-9539-14d2764f62f1"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.474f6046-efe4-4416-82ba-671138208c82"><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.012c5fb9-1cea-4f1e-9575-9dc4572cbc2d" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.300 -84.450 10.200 -84.467 10.183 -84.233 10.200 -84.233 10.300 -84.450</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.780b2a1b-12dc-4764-a6b0-aff8a671ad27" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.420481e7-0cb3-4290-ae8c-435d02aaaa6a"><gml:timePosition>2025-05-20T23:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.d1237711-0254-43e8-ad0a-d8837e8e7676" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.a9cb570b-5732-4696-a395-ba4030c5233f"><gml:timePosition>2025-05-21T05:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>EMS OF GAS AND STEAM OBS IN WEBCAM WITH PSBL VA MIXED IN. VA NOT DETECTED IN STLT IMG. INTMT VA EMS MAY CONT. MDL GUIDANCE SUGGESTS W MVMT FM SUMMIT THRU T+6. ...GATLING</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.061fac4c-58b5-4506-aefe-15b2dbcc3196"><gml:timePosition indeterminatePosition="before">2025-05-20T17:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES201123_C_KNES_20250520112453.xml</bulletinIdentifier></MeteorologicalBulletin>