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<MeteorologicalBulletin gml:id="uuid.53b4c122-3738-439f-8908-62c6ab1b308e" 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.ed44289f-556a-4b5d-8429-d6a31e1a7129" 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.41e15bc7-51ee-4085-acc8-144f42fa4dcf"><gml:timePosition>2025-05-11T23:21:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.fd242d58-0f35-4ab8-954f-f2bf2fba73c2" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.b779e53f-25d4-492a-93b0-6687a239588e"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.7ec3222d-8026-41c9-81bf-c43ee1ea8551" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.827f7637-b583-485e-a040-ddd9acee583b" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-05-11T23:21:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/127</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>ONGOING VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.d8765f54-97d0-44b1-a26e-7a7db1fe0b5a" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.e6c1ecb7-70b1-458b-8b48-0bcb3f72020b"><gml:timePosition>2025-05-11T22:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.1b044f9f-bc37-4a5d-a19a-22ea565a7906"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.3c63c865-1d24-4a3d-b191-baa4e5243374"><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.5908def8-2889-4098-969b-7977ca069e2e" 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 -84.333 10.167 -84.333 10.183 -84.217 10.183 -84.217 10.233 -84.333</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.16e637a5-663c-493a-9a2f-0dca622ff0e8" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.8a878f06-4356-4148-b847-13be998dbd96"><gml:timePosition>2025-05-12T05:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.6e39f358-3c57-490f-a380-e7427d47f3af"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.20528c71-864c-4132-9f46-a8a7951694ae"><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.d87cf2fd-b287-4990-a212-412fcc1fbfad" 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 -84.333 10.167 -84.333 10.183 -84.217 10.200 -84.233 10.233 -84.333</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.00495f58-a6e5-48bb-b0a2-20c734d8efe4" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.e6618e61-cbdb-4b99-86ab-b1a3ea2d9fd7"><gml:timePosition>2025-05-12T11:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.fcb74d50-9260-4984-97d2-73495a573324"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.9a3aecc7-6dad-47a8-92fb-aaa9d3a03a32"><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.11dd31be-a757-4c1e-9576-6d97e34115d5" 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 -84.317 10.167 -84.317 10.183 -84.217 10.200 -84.217 10.233 -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.78913a0a-5af0-464d-b156-75f913517af3" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.68e4919d-f82b-4f03-832a-87a0911f9b91"><gml:timePosition>2025-05-12T17:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.4974c07d-6042-415c-a11b-a040459dbe5e"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.20e20c8b-4633-41a9-b59c-04bacf7ab0a4"><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.1fecf307-5a85-44f4-8af8-c17b5b0cb9ec" 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 -84.333 10.167 -84.333 10.183 -84.233 10.200 -84.217 10.233 -84.333</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA NOT DETECTED ON STLT DUE TO WX CLDS IN SUMMIT AREA. MINOR VA EMS LIKELY CONTINUE GIVEN RECENT ACTVTY. NO CHG FCST TO MDL WINDS AT FL NXT 18 HR. ...KONON</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.ee09b2cb-689c-4286-8364-d75b0301f307"><gml:timePosition indeterminatePosition="before">2025-05-12T05:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES112321_C_KNES_20250511232150.xml</bulletinIdentifier></MeteorologicalBulletin>