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<MeteorologicalBulletin gml:id="uuid.1ca8f2a7-3653-4483-a390-43169dd26076" 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.29cd9eef-4846-445d-aa85-9ca929966574" 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.0e1885a6-603b-43bf-96de-d31d7dae4341"><gml:timePosition>2025-04-18T23:28:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.419d52d4-777c-40e3-96be-4883adb02546" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.d3929d28-5856-475e-b87d-110ef79c6abc"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.8abd676a-325c-468b-b12c-ee424bd26798" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.02ff375e-297a-403e-af7d-87a013c55462" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-04-18T23:28:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/041</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>PSBL VA EMS.</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.56ae37b7-0d9a-46ad-b1bd-8a05e1cae3ae" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.30c08bbb-bed4-4984-9aa5-810470519044"><gml:timePosition>2025-04-18T22:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.11ff054d-9838-4082-b0a8-5618476f9601"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.52cca62a-8039-43b8-8dd0-3ff1a85ce08d"><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.595d4a57-e501-44a5-b92f-316dfd536a19" 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 -84.367 10.150 -84.367 10.183 -84.217 10.217 -84.233 10.217 -84.367</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]">15</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.03af49c1-7932-47c7-aaae-15b4b74f79d3" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.54748c92-4f56-4bff-a3f2-69af11f4e424"><gml:timePosition>2025-04-19T05:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.647d6f25-7ab5-40d1-8fe3-bd810644bdae"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.1d93705f-cfcc-44f6-9c99-fcab350597ca"><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.b4ac5f6c-11b9-4f43-a671-964b0173fc39" 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 -84.383 10.133 -84.383 10.183 -84.217 10.217 -84.233 10.233 -84.383</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.b32a2ed2-4df3-4d99-a5b8-64f0b70a68f3" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.398a6b13-749f-42a0-930a-1cb5de747295"><gml:timePosition>2025-04-19T11:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.bd2fc74d-e242-4820-adc3-6a5d3e04beff" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.9e5bfcca-3aca-4a64-878e-dae095a2596d"><gml:timePosition>2025-04-19T17:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>STEAM AND GAS EMS OBSD BY WEBCAM WITH PSBL LGT INTMT VA EMS. VA EMS NOT OBSD BY STLT. NWP MDLS FCST LTLCG IN WINDS THRU T+6HRS. ...HOSLEY</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.4c32ae88-40a0-4fa7-a78a-3f413f38d81b"><gml:timePosition indeterminatePosition="before">2025-04-19T05:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES182328_C_KNES_20250418232922.xml</bulletinIdentifier></MeteorologicalBulletin>