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<MeteorologicalBulletin gml:id="uuid.37845c85-b637-45e1-a174-72f15e52ca56" 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.9d2dcc6c-7c02-432d-a5e2-36c08034b511" 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.21f3fa2c-ad1b-4e0b-b81b-43a6f097f445"><gml:timePosition>2025-05-11T00:16:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.c8e75866-a536-43ad-b481-eb82208308d1" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.7f657725-19c5-49ea-9d26-f0c002bbd42e"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.e66041bb-5ce8-484e-a0ad-b67d9666f104" xmlns="http://def.wmo.int/metce/2013"><name>POAS 345040</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.50edf962-68a8-455e-b314-5d866a87f904" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>10.183 -84.217</gml:pos></gml:Point></position><eruptionDate>2025-05-11T00:16:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COSTA_RICA</stateOrRegion><summitElevation uom="[ft_i]">8848</summitElevation><advisoryNumber>2025/123</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS ONGOING</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.3998c61f-5f73-4c5a-987e-d26b6f0a2379" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.33d48943-e306-4242-9fae-22dc19132e13"><gml:timePosition>2025-06-10T23:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.b8660d3b-52d3-46f5-b722-00698b5d8062"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.a6e60094-74da-4867-bef3-7fafb2edd66a"><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.af6a8794-f330-49f5-ae9b-ce7101509eae" 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 10.183 -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><directionOfMotion uom="deg">270</directionOfMotion><speedOfMotion uom="[kn_i]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.5e5934c0-60f8-4320-a57d-daad118b432b" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.a62fe6d2-6650-485a-8cdc-7ae308a25e8b"><gml:timePosition>2025-05-11T06:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.5f3625cf-343f-459d-90b2-fae2e4c6d276"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.237b609b-63a3-4382-9a75-81e4dcf535e5"><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.9385aa3e-53e4-430f-ad7c-c9489d334c68" 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 -84.233 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.a8e58289-fd8d-46e4-9cec-f9f77c73d699" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.6e14f4b9-6497-4ce1-baac-d4529d54c5e1"><gml:timePosition>2025-05-11T12:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.bcd20a65-e615-42a0-b8b3-0a52759d99f6"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.e3a79015-2d4f-4323-8120-6287d5aa94a6"><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.1adb1cab-2457-4f8d-8ff1-16794631d8b1" 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.fad6beb0-fa52-4ec8-acde-239aa1df4a09" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.afa03973-b558-42a2-863b-a22a83eb01d5"><gml:timePosition>2025-05-11T18:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.dd2170ec-d9f8-401f-ab9f-23255c3c30ac"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.00953480-64ad-4f06-b827-3d9ff0ca4869"><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.15aa10c2-99c0-4b96-aef4-377a543146ea" 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 -84.217 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. WEBCAM SHOWS CONS STEAM/GAS EMS WITH SOME VA. NO CHG FCST TO MDL WINDS AT FL NXT 18 HR. ...KONON</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.b06d4649-ea00-4a24-9a93-322ad08682e7"><gml:timePosition indeterminatePosition="before">2025-05-11T06:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES110016_C_KNES_20250511001659.xml</bulletinIdentifier></MeteorologicalBulletin>