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<MeteorologicalBulletin gml:id="uuid.5b286712-64aa-4a5c-88e1-9f0969eaff6a" 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.05c48e76-2081-4d5e-b802-f53080bfcc15" 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.47027cbb-b0af-4397-9aae-27fd3dbb26d7"><gml:timePosition>2025-04-17T18:21:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.be3bd7f2-c7a7-498e-a762-76144d52234e" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.6b44a2d6-dd87-4a22-a046-bdc59c55bb7f"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.929027a8-492e-45a2-bd84-3db4d08caf36" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.5fe6cff0-9765-4e30-ba5c-4f9659edc977" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-04-17T18:21:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/036</advisoryNumber><informationSource>GOES-19. VONA. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>OCNL VA EM</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.09759af7-091a-41e2-8033-6fe94a3cc7b6" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.db13902c-7e9d-467d-b87d-b44a7368a98f"><gml:timePosition>2025-04-17T17:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.a3de9f82-f477-4821-99e3-430f49620185"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.308dde1b-ddc8-411d-b280-cae68c86311d"><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.61fccf39-de45-437a-b300-5e551bbacda3" 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 -84.217 10.183 -84.633 9.900 -84.483 10.183 -84.217 10.200 -84.217</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">225</directionOfMotion><speedOfMotion uom="[kn_i]">20</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.51b8f333-8577-45e1-97cc-ebd512a19456" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.13ccb769-7b2b-4118-be32-6883dd02a7bf"><gml:timePosition>2025-04-17T23:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.ea638a3b-bee1-42a8-b385-c018a72e2dc7"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.894d1643-4fee-42bf-a39c-7a581677ef62"><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.e5b7dc7d-2161-4325-bfc4-e2348cb610f9" 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 10.100 -84.633 9.834 -84.500 10.167 -84.217 10.200 -84.233</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.a727cc48-5d00-4fb6-a9b4-b76479ab7e37" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.cf7e3f39-2ee6-4ab4-8e11-3bf5c8e91a18"><gml:timePosition>2025-04-18T05:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.b338e84a-2573-4a3c-8a73-05d466880cf9"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.bb2f2152-0d00-440f-9090-aac015cc2d78"><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.ac489291-eb35-4764-a8e6-74d91c757844" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.283 -84.683 9.967 -84.583 10.183 -84.217 10.200 -84.217 10.283 -84.683</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.7be67341-9b46-4e30-b8b0-35b17a934fb5" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.b8de2677-10ed-4f34-8d68-c97e580266b2"><gml:timePosition>2025-04-18T11:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VONA RCVD OF VA EM. VA SEEN IN WEBCAM BUT NOT SEEN IN STLT IMG DUE TO MET CLD CVR. GEN SW MOVNT EXP THRU T+12 HRS. WND MOVNT BSD ON NWP MDLS. FL BSD ON VONA. ...LINER</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.631881f2-60c4-4548-8350-093b17213e7a"><gml:timePosition indeterminatePosition="before">2025-04-18T00:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES171821_C_KNES_20250417182319.xml</bulletinIdentifier></MeteorologicalBulletin>