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<MeteorologicalBulletin gml:id="uuid.c57a05cc-4056-4abf-aaf1-f42d3123b292" 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.8ab6db9d-8221-4d6c-a369-5632745d261b" 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.e3eb7183-84d2-4115-aa02-2e75a0f2d212"><gml:timePosition>2025-04-30T19:18:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.84d0b887-e856-4164-9855-48a3732d654e" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.8e373a8b-18f9-449f-b650-9beda7fe56c8"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.002e30d2-547e-4fb6-a388-ae71bf0b239a" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.b0df6410-96da-4314-88ab-bd1b2320bda0" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-04-30T19:18:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/081</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>LGT VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.48e62d22-4cf8-4699-823f-4af2f5319458" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.b8f4af74-f16c-4be3-86b6-f9eb8207cdb8"><gml:timePosition>2025-04-30T18:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.9887bef3-7c09-4b30-bec6-ca9f7f109447"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.f8952049-6292-447a-bab0-ed9f0e7c03ad"><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.45b20a88-b7ba-47d7-8cfa-4ef11eb94c49" 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 -84.400 10.067 -84.350 10.183 -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.32717a3d-df2b-4cb7-9604-14e78dcae67f" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.b842ff36-9ff6-41de-8fd4-8a1f061462d6"><gml:timePosition>2025-05-01T01:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.5694075d-d09e-40ff-a79d-df3d3e9358b6"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.5a13d09f-592b-4457-95c9-81be915bc77b"><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.f8a30724-4f70-4ad1-b1c8-94d43d3a8019" 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 10.167 -84.500 10.033 -84.433 10.183 -84.217 10.217 -84.217</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.702d2680-bb6b-4ac5-8fad-3be1dc20f4d5" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.e41f71d6-20bf-42c6-a76c-0e8a64165f7f"><gml:timePosition>2025-05-01T07:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.035e1f71-4e29-4395-abd3-7579753838f1"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.2fa65f16-0bb3-4253-a60e-ff4f199dde64"><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.4b4583e4-3f46-4269-99ad-cb27371592e0" 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 -84.233 10.117 -84.483 10.000 -84.400 10.183 -84.217 10.217 -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.bf5b8521-aabd-41ac-8976-79ce2d356e6b" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.7fb40b2d-6852-47c3-b75c-732b9b0f2cba"><gml:timePosition>2025-05-01T13:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.c4ee5fc1-004d-4927-811c-09129086a196"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.1a1c5470-fa69-46c2-b777-19186de53bba"><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.a1a7c228-4d9b-41c3-9e7b-a3ed443eef8c" 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 -84.233 10.167 -84.483 10.033 -84.417 10.200 -84.217 10.217 -84.233</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBSD IN WEBCAM. VA EMS NOT OBSD IN STLT IMG DUE TO MET CLDS. LTLCG IN FCST EXP THRU T+18 HRS. MVMT AND HGT BASED ON WEBCAM OBS AND NWP MDLS. ...BERTALAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.64d294cd-9a58-45ac-928f-78a5a51d7c84"><gml:timePosition indeterminatePosition="before">2025-05-01T01:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES301918_C_KNES_20250430192056.xml</bulletinIdentifier></MeteorologicalBulletin>