<?xml version='1.0' encoding='UTF-8'?>
<MeteorologicalBulletin gml:id="uuid.5d6083c2-a43b-4384-b5a0-451614a676e6" 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.20285fb1-a6ca-447d-9d0d-e662c988c1a4" 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.46649914-c557-4c9d-97b3-4fbf45849ea5"><gml:timePosition>2025-05-15T19:42:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.1a0457ef-5d26-42bd-bc05-63ab333c6cb2" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.d3878285-7097-4f04-8aac-ae6b37f6b757"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.92fb54fd-ce3c-48ff-90c6-b4897082846b" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.e7d31c5e-6d0f-4390-9c83-30663f072f2f" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-05-15T19:42:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/136</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>VA PSBLY CONTG.</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.57f76ee1-1f7d-4d42-bc69-3afb9a44fb91" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.620f1c09-b45f-425f-90a8-2f45975c9d2f"><gml:timePosition>2025-05-15T18:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.37c58ab9-71e7-44a6-a92c-31e5e39ae593"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.387044a8-aac2-4443-b32f-72a59374cf2d"><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.c1b3ebaa-ddde-4b60-a410-3e1345dcb30f" 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 -84.300 10.183 -84.317 10.183 -84.217 10.200 -84.217 10.217 -84.300</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.18b70904-311f-4e82-abbd-7dd52de2cf94" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.26495799-078b-4287-92d4-3f1593be4fd4"><gml:timePosition>2025-05-16T01:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.1b2148ab-2117-45de-9b42-cfe30352ec90"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.dd520770-c2cb-4def-9d29-8a87a237e671"><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.640eba2e-62db-48e8-9923-01cec93f3963" 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 10.167 -84.317 10.183 -84.217 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.14d7ffff-4423-41d8-b428-0c6f79dd649b" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.8abba902-2b58-43a3-9cba-95898dbb32b8"><gml:timePosition>2025-05-16T07:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.c4780cad-94a2-4d8d-a803-5e225006a3e3" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.4a512c72-c85f-40dd-bff1-3c547f1f577a"><gml:timePosition>2025-05-16T13:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA NOT OBSD BY STLT OR WEBCAM AS SUMMIT IS OBSCD BY WX CLD CVR. NWP MDLS SUG VA MOVG W AND FCST LTLCG THRU T+6HRS. NO NEW VONAS HAVE BEEN RCVD. ...HOSLEY</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.ea457cc4-e39c-44aa-94d8-473d8484c558"><gml:timePosition indeterminatePosition="before">2025-05-16T01:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES151942_C_KNES_20250515194348.xml</bulletinIdentifier></MeteorologicalBulletin>