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<MeteorologicalBulletin gml:id="uuid.12c6d1e5-d02c-421c-958e-0d707836e25a" 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.f803bc94-01d0-4233-a884-6aaeef5998e7" 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.ec1fcb60-a131-4429-8160-9030dca1e9e8"><gml:timePosition>2025-05-19T23:38:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.a25bf45a-42e4-4813-873b-c35cba36b719" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.4579aec8-0eec-4112-8062-6ed25aef70e3"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.0e988b6a-3de2-432a-ad6e-415f6ba123cf" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.fa330c04-4873-4539-ba68-f88873f28c35" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-05-19T23:38:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/143</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS PSBL</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.54700fed-698d-4b28-abac-d1916ad229d3" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.451842cc-3342-43c6-a4f2-8a658eb6a66a"><gml:timePosition>2025-05-19T23:10:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.c55d70a5-69c8-4197-a6dd-6bdda00f029c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.7a16acdf-4ed5-4fa2-81df-6d29829124da"><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.5e1265d9-1908-4a43-8383-c41cc1674162" 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 10.150 -84.300 10.183 -84.217 10.217 -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.1a205fd8-ce3b-4e42-a95b-811b50cec904" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.66a56ea9-1d31-426b-8380-fa534f601dcf"><gml:timePosition>2025-05-20T05:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.d016bb30-73b9-4af9-85c2-40b482facf9c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.3d19da77-4077-4e97-9063-98a0bc33f4ab"><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.52945308-538e-4036-af7b-bd599bac0e8b" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.250 -84.350 10.150 -84.333 10.183 -84.217 10.217 -84.217 10.250 -84.350</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.61c156b5-5f11-4cd6-be6a-f36947f4a48d" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.88e55f2f-98da-467b-9a8a-1d62c1f5a41d"><gml:timePosition>2025-05-20T11:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.9b7e6737-757e-4c00-b267-038232c9c0f6" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.f280e8ba-7cf3-4078-a815-4ae8cfc18d05"><gml:timePosition>2025-05-20T17:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>NO VA CRNTLY OBS IN STLT IMAGERY OR WEBCAM. VA EMS REMAIN PSBL W OF SUMMIT. VA FCST THRU T+6 HRS BASED ON NWP MDLS. ...COVERDALE</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.d1cb3fc4-46db-4b30-ba9b-abad1bbfe22e"><gml:timePosition indeterminatePosition="before">2025-05-20T05:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES192338_C_KNES_20250519233901.xml</bulletinIdentifier></MeteorologicalBulletin>