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<MeteorologicalBulletin gml:id="uuid.10706039-e73c-490b-a42c-184244c487d1" 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.33970f20-c962-4465-a2da-c1f561c5ce33" 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.7314369d-9cec-44db-988f-36ca96befdd9"><gml:timePosition>2025-04-22T13:03:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.1830431c-47a0-4bdf-ba57-02c7019089fe" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.af2cbf1d-c598-41b1-aef4-f5a94214fe42"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.3ff7535e-10f9-4a75-8f28-5aac12d68d93" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.b27ed0d3-d087-4672-9157-584c1e26827a" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-04-22T13:03:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/052</advisoryNumber><informationSource>GOES-19. VONA. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VONA RPRT RCVD</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.ae7cd881-81fd-47ea-b4d9-807d95394f9b" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.cc9d9260-73e8-4176-89c2-c83e4f533d4b"><gml:timePosition>2025-04-22T12:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.4ea29340-1342-4afd-84e3-efceeec592c7"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.499c9e6d-29ef-4d6e-b252-75d429fd5fb8"><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.b4faf13b-9b41-4df3-b0c2-c369c3ca0410" 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 -84.217 10.183 -84.317 10.133 -84.250 10.200 -84.217 10.217 -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]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.efa0dd74-bb39-4d22-9a40-c8d3e5f1b879" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.9fa2cdb4-6257-4db4-bb04-e92cd416d2af"><gml:timePosition>2025-04-22T18:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.56a8b3fd-b0c0-441d-ab58-f387e71bd147"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.470eff47-91d8-4404-b935-8546d9e951a8"><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.ae0e0ef7-b86b-4c74-b363-0ad00184cc5b" 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 -84.400 10.100 -84.383 10.183 -84.217 10.200 -84.217 10.283 -84.400</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.281aa064-f29d-4fdb-9ea1-bbfc8a3da4ec" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.481d9875-c8ac-40fe-abc9-18ca8f6de4c2"><gml:timePosition>2025-04-23T00:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.632d0d2c-5864-43b0-a14b-ef358e277dbe" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.b1f079bb-944e-4d39-8e5d-4e826fe328e9"><gml:timePosition>2025-04-23T06:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>RCNT VONA RPRT RCVD INDICATING VA EMS MIXING WITH STEAM/GAS EMS. VA OBS IN WEBCAM. VA NOT CRNTLY OBS IN STLT IMAGERY. VA FL BASED ON VONA. VA FCST THRU T+6 HRS BASED ON NWP MDLS. ...COVERDALE</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.4a3836ed-3ee7-49e6-b592-21cd3820202e"><gml:timePosition indeterminatePosition="before">2025-04-22T19:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES221303_C_KNES_20250422130419.xml</bulletinIdentifier></MeteorologicalBulletin>