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<MeteorologicalBulletin gml:id="uuid.3aa15a11-97fe-4e52-948b-8b0276195f7f" 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.4a04a5f7-e80f-4d2b-972d-cde18f7d68ff" 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.aa02d39d-31a3-40da-9601-20635c421482"><gml:timePosition>2025-04-27T01:37:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.b006c891-98ae-4865-ac79-fed459232f32" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.09843e48-d612-43fd-a8ca-1a1ccfbab7ce"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.0a2b9655-e87d-47f1-bd58-56dbec8ae347" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.ee5335ba-a4b9-41d6-9c46-ce35350890c9" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-04-27T01:37:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/066</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>RCNT VA OBS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.cfca7d53-92a7-43f0-adac-4e28e5ec139e" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.58718780-b437-4eee-b371-5424b53a4db2"><gml:timePosition>2025-04-27T01:10:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.46cd4b43-c941-4161-a372-ee3212326c7e"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.fdb41011-7372-4523-897e-71d16d3d409a"><aixm:upperLimit uom="FL">110</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.783565c0-fc94-431c-82f2-66e12bdff5fa" 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 -84.417 10.133 -84.417 10.183 -84.217 10.217 -84.217 10.283 -84.417</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]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.f2e7e456-b15a-49ec-b169-e3c169cd9e53" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.e6ab5bfc-2dc3-4999-a4e6-7215740a9cba"><gml:timePosition>2025-04-27T07:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.5e252028-93a0-4555-b567-b0924fd0409f"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.25043434-61c8-491e-b172-5dbe56f9bf9a"><aixm:upperLimit uom="FL">110</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.6b8cd7ab-e3c6-45c4-97b6-ed706248a35e" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.383 -84.417 10.217 -84.500 10.183 -84.217 10.200 -84.217 10.383 -84.417</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.258f2a73-2c29-49b9-8729-f72ada2d6c8a" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.51c79c41-02d8-47e2-b382-ac6b64ecd622"><gml:timePosition>2025-04-27T13:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.0b247bf4-d547-41cc-a90c-5b0d67ef29ed"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.c5f2d193-4920-46d3-8ecb-d81e4a51c5b6"><aixm:upperLimit uom="FL">110</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.c56dd524-a63c-42c1-8560-b049f7c366c6" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.367 -84.233 10.333 -84.333 10.183 -84.233 10.200 -84.217 10.367 -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.6402adc1-7dae-48ec-b67c-d24d96d975b1" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.fbea8d81-d944-4a48-aa7c-4e2d4d177aa7"><gml:timePosition>2025-04-27T19:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>FRQT VA EMS OBS IN WEBCAM DURING BRKS IN WX CLDS THE PAST FEW HRS. PSBL MINOR VA OBS IN STLT IMAGERY APPRX 10NM W FM SUMMIT. VA FCST THRU T+12 HRS BASED ON NWP MDLS. ...COVERDALE</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.656fde20-cee1-4059-8b66-9ef099d7909f"><gml:timePosition indeterminatePosition="before">2025-04-27T07:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES270137_C_KNES_20250427013914.xml</bulletinIdentifier></MeteorologicalBulletin>