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<MeteorologicalBulletin gml:id="uuid.b4592225-190d-440f-b5f5-f75f8f32beb9" 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.523b844c-1bb8-4a30-babe-e149d3202817" 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.1366fbe8-732b-4cd2-80f1-dc5d9c479e9a"><gml:timePosition>2025-03-28T17:46:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.6bd3618e-ed1b-4534-b3bd-e3845f146eca" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.11cb47a2-d9d3-4a49-8ad8-2253b0da0f69"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.38a96fa4-c6f1-416e-9b01-48ba387e3b16" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.1755f2d0-7f27-41ca-84f4-bef5d44bead1" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-03-28T17:46:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/001</advisoryNumber><informationSource>GOES-16. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>MULT SML VA EMS.</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.96a39912-c61d-4c2c-a5cf-94c7387ed779" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.596de605-d58c-4b00-bec6-eb33d9cd3d1b"><gml:timePosition>2025-03-28T17:20:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.f06bc309-6809-4572-bad8-657b1f97000c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.507edf05-1a8a-4775-b6b9-fec29af71e45"><aixm:upperLimit uom="FL">090</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.2dd900b2-0f49-42c6-8d81-7937d20d59f9" 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 10.183 -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><directionOfMotion uom="deg">270</directionOfMotion><speedOfMotion uom="[kn_i]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.7eb1e36e-783f-4573-9e7a-512edeb1f232" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.ce5e742d-c86e-4521-9747-83af2c68de30"><gml:timePosition>2025-03-28T23:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.4a2f4533-a82e-4447-ac9b-bf5cfe83c3bb"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.51672bb4-59e0-48de-ae4e-f65ee8744b55"><aixm:upperLimit uom="FL">090</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.1398d338-9829-40c1-bff0-4225851082e8" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.267 -84.350 10.183 -84.367 10.183 -84.233 10.200 -84.217 10.267 -84.350</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.bf8e2dfe-f95b-4049-8662-9e9e758549ad" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.724b40ce-77f7-4a6b-bc3a-df9f454f7717"><gml:timePosition>2025-03-29T05:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.2ffaee4e-fd59-4af0-8b42-97c69dd7cac6" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.f453923c-5f49-457c-b28e-0751c41f078a"><gml:timePosition>2025-03-29T11:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VRY SML VA CLDS OBSD BY WEBCAM AT 1725Z 1732Z AND 1741Z ON WEBCAM AMONG GRTR STEAM AND GAS EMS. VA CLDS BARELY REACHING CALDERA LVL. VA NOT OBSD BY STLT PTLY DUE TO WX CLDS OBSCG SUMMIT. FL ESTD FM WEBCAM AND NWP MDLS WITH LTLCG FCST. ...HOSLEY</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.0406f9c7-fb1d-4f83-846f-63b33c81b7a0"><gml:timePosition indeterminatePosition="before">2025-03-28T23:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES281746_C_KNES_20250328174724.xml</bulletinIdentifier></MeteorologicalBulletin>