<?xml version='1.0' encoding='UTF-8'?>
<MeteorologicalBulletin gml:id="uuid.cd76f7e1-7ed8-4931-bf49-ed6f6bf53a60" 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.0abf24ac-7cee-42de-b21d-290da2b156d5" 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.536b96ad-094f-4513-8013-ceee288de5f6"><gml:timePosition>2025-04-29T23:29:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.e02d0aa9-8041-4061-9804-4c8ff737b469" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.d2f21ef1-2df5-4810-a1f8-b3a5d5d57c74"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.7f39d988-225d-4c4e-a164-dec6f1870fae" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.6b5bba21-e865-4a03-ad1f-09e62aca2c52" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-04-29T23:29:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/078</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>PSBL VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.423ed484-1812-4977-b79d-b01e59070c97" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.d1473025-84cf-4062-8228-8310384a3e0e"><gml:timePosition>2025-04-29T23:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.93752ced-7a7f-412b-8e25-29dabca5686b"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.586fcb9c-bc83-43f9-8a57-5f42a2fd06e7"><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.348c25ac-51d4-4304-b85e-86c0bdeff7a7" 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 -84.383 10.167 -84.383 10.183 -84.217 10.200 -84.217 10.250 -84.383</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">315</directionOfMotion><speedOfMotion uom="[kn_i]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.f3cc5b01-8360-4b84-91c3-71e53c36b3b5" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.d26627fd-b5d3-4ca8-b689-2a7fa3e5f956"><gml:timePosition>2025-04-30T05:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.3ddceaae-b605-4297-b9a5-372e2670fbd3"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.4f6a86c6-07f8-487e-8cfe-d67f072ac1f0"><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.53bac8f0-00f0-467f-97d0-65157771dc45" 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 10.067 -84.433 10.000 -84.350 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></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.c2225b67-4f8a-4193-9311-839a08e7d0d7" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.c4a7d8ae-c6e8-4e5a-9672-d80526b8e564"><gml:timePosition>2025-04-30T11:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.af9de6b1-fe46-4850-82cb-3381054a09ed"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.b2b0179c-81a4-48bf-9e60-ce07fb515fe0"><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.8fab3fd4-c6c5-49fa-a098-c1854ac7a1d3" 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 10.133 -84.467 10.033 -84.400 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></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.353b0744-d202-434e-a633-525b86df1bd1" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.0f3433fe-4561-4ad7-9a4d-de564fda1b94"><gml:timePosition>2025-04-30T17:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS NOT VSBL IN STLT IMG DUE TO MET CLDS. VA EMS MAY BE OBSCD. WNW MVMT EXP TO SHIFT SW BY T+6 HRS. MVMT AND HGT BASED ON NWP MDLS. ...BERTALAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.a536ad39-f46f-4ecf-a629-0414a26bc53d"><gml:timePosition indeterminatePosition="before">2025-04-30T05:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES292329_C_KNES_20250429233214.xml</bulletinIdentifier></MeteorologicalBulletin>