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<MeteorologicalBulletin gml:id="uuid.f81fc00d-1dc5-43ff-8f9b-e952bbf6b8e1" 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.a757ec40-27fb-4f55-b130-1aef7cd070ee" 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.0393888e-2e59-43fe-945b-f381ce5c6fd9"><gml:timePosition>2025-04-11T13:13:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.25939089-e921-415e-9ff1-baeacda0658b" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.67957ff8-f51b-49d4-a932-fa557b9823d0"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.1b508bae-b20d-4b97-9e68-3de63a6360a7" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.5fc29ff9-989b-4535-9006-789b01a08d39" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-04-11T13:13:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/031</advisoryNumber><informationSource>GOES-18. VONA. NWP MODELS.</informationSource><eruptionDetails>VONA RPRT OF VA</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.967147bb-7524-4615-bd78-cfc7e27de1c8" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.fc5690c5-6607-454e-9d49-e645890d6f9e"><gml:timePosition>2025-04-11T12:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.cf5a7005-48f8-44ce-8de0-d58636a66423"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.c6357eea-e8ae-411e-bb7c-5b3967d25ab7"><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.cd61e06c-4770-4742-a38b-4df067461a6d" 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 -84.333 10.150 -84.333 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.f50aa3bf-6365-49e5-907f-8610b2fc8b5a" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.ce372b7b-c540-4041-ab67-49c311b03ba2"><gml:timePosition>2025-04-11T18:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.4330e3ad-a3ba-4041-a35d-504e3f831e89"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.02acb144-5815-4c91-ba9c-d7d2c2bf27af"><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.dae9056b-8284-4835-8a9d-778f1e259287" 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 10.200 -84.383 10.183 -84.233 10.200 -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.a1147832-f32f-41c8-8f26-2c97ac387874" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.05041905-e157-4af0-b04f-f47c9afa13e8"><gml:timePosition>2025-04-12T00:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.1c3bb4a3-ae37-40e4-9ee7-7bc98430bfb3"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.4dcca8dd-d708-4f4b-974c-ea50eca598b3"><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.71ffaf0d-e142-4fa6-b2d2-06ca58b64427" 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 -84.383 10.183 -84.383 10.183 -84.233 10.200 -84.233 10.217 -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.c3de5745-b796-4743-a8d0-0a281fe31313" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.de5bb541-2bdc-4208-967f-2314f63f431d"><gml:timePosition>2025-04-12T06:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VONA RPRT INDICATING VA LIKELY. VA NOT SEEN IN SAT OR WEBCAM DUE TO MET CLDS. MODEL GUIDANCE SHOWS A W-LY MOV THRU T+12 HRS AT FL100. CONFIDENCE IN HGT OF VA IS LOW. ...KIBLER</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.0b6fea46-ce3c-40b5-b4e4-15876422834f"><gml:timePosition indeterminatePosition="before">2025-04-11T19:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES111313_C_KNES_20250411131402.xml</bulletinIdentifier></MeteorologicalBulletin>