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<MeteorologicalBulletin gml:id="uuid.61247355-2587-4f58-b4aa-bad22555d61b" 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.e53f6a7c-a25e-4724-adb6-ad99118a0ce7" 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.80bbbe75-66d2-41d7-a365-d55169de66de"><gml:timePosition>2025-04-11T13:09:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.fc94414a-0e90-4f28-b5aa-9b93e27b079e" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.a68adc4c-dc96-464f-ab9e-8a73c4ec4bb7"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.8d4c4511-39d3-4aa6-8527-97fcc933f4da" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.15259e5b-61eb-4458-a316-f8f76eee5867" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-04-11T13:09:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/031</advisoryNumber><informationSource>GOES-19. VONA. NWP MODELS.</informationSource><eruptionDetails>VONA RPRT OF VA</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.c7b59149-327f-4f4d-92eb-c5885a5ac208" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.6e26da09-95ed-43cd-a9a4-c4f4e06db4be"><gml:timePosition>2025-04-11T12:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.e4a42170-094b-49d9-8720-080aa8eff40d"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.0063cf6c-11ff-4215-902a-52f87baecd73"><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.1466fb7b-e9c2-4f84-848e-f68b7d2a92d6" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.200 -84.233 10.183 -84.283 10.167 -84.283 10.183 -84.217 10.200 -84.233</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]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.1515f3f7-88ad-459b-8b3f-fab3c3a111f7" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.9dfad406-ec8f-4584-8e80-a0903da192e4"><gml:timePosition>2025-04-11T18:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.c0ad04fe-7b9b-407e-9381-fcbc78165783"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.1d0c5f6d-c8d8-4900-b172-b28b9a72db24"><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.057f1699-f62f-48fa-af6b-83a19ad6d0fa" 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 -84.317 10.183 -84.317 10.183 -84.233 10.200 -84.233 10.217 -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.9a5389b3-d409-45b7-a026-a31f371b54ac" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.6507aca0-7032-4ad5-8146-39c496feab71"><gml:timePosition>2025-04-12T00:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.ad8b25cc-8950-401b-9aee-8f4b81a88adb"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.ddf212ec-f881-4b8a-bcf8-19d432465aba"><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.d4acab30-c17c-4eab-8f3e-bc0b1744217a" 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 -84.317 10.183 -84.317 10.183 -84.233 10.200 -84.233 10.217 -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.2cc499cc-1adc-4e63-b70b-cc485213f566" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.2b3160d5-19f0-49dc-bf7a-2c3c67bd4be8"><gml:timePosition>2025-04-12T06:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VONA RPRT INDICATED VA LIKELY. VA NOT SEEN IN SAT OR WEBCAM DUE TO MET CLDS. MODEL GUIDANCE SHOWS A W/WSW MOV THRU T+12 HRS AT FL100. CONFIDENCE IN HGT OF VA IS LOW. ...KIBLER</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.e68a60b7-d9a1-4dfc-914e-3f21dbfad0e4"><gml:timePosition indeterminatePosition="before">2025-04-11T19:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES111309_C_KNES_20250411131028.xml</bulletinIdentifier></MeteorologicalBulletin>