<?xml version='1.0' encoding='UTF-8'?>
<MeteorologicalBulletin gml:id="uuid.9a59a4c1-b517-4a32-9a1a-c77132e34bd1" 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.67734e0e-1d60-470a-b1a2-1167a8a1f48c" 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.405a5054-d2af-41fa-8ebf-919ff53fe0b5"><gml:timePosition>2025-05-19T18:55:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.586f3e65-1abf-4ca8-884e-92a55f519404" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.9c0833c6-9271-47a3-830e-df56463e250f"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.8d8e84bc-0950-410c-838b-6b9ce6a6ae8e" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.359b721a-f7e5-47c1-97d4-ec8f4a7eb9ec" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.083 -77.650</gml:pos></gml:Point></position><eruptionDate>2025-05-19T18:55:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2025/465</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA OBS IN WEBCAM</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.3c3fe04f-7d9f-4577-be27-05d46f728cd6" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.43da8b3d-5724-4daf-b0eb-8b02cb874244"><gml:timePosition>2025-05-19T18:20:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.edcacace-b3cc-41f9-8c1e-ebc96818a3ce"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.f109bf8c-8dfd-4898-a876-44c8c471770a"><aixm:upperLimit uom="FL">150</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.5581cfd2-6722-4431-a0fd-d46ded6430c0" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.183 -77.750 0.050 -77.934 -0.083 -77.667 -0.067 -77.650 0.183 -77.750</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">315</directionOfMotion><speedOfMotion uom="[kn_i]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.e16605c8-47e2-4c6b-880f-a63e729196c2" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.1f1a3228-5159-4d2a-9fae-b23817114ff2"><gml:timePosition>2025-05-20T00:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.58a62b51-5dbe-410a-82ba-49220fc57bcb"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.9a1f3c86-767b-49b0-a333-a589e9973ea3"><aixm:upperLimit uom="FL">150</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.2633a237-65dd-4c39-b32e-9bd6920fac05" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.083 -77.967 -0.183 -77.984 -0.083 -77.650 -0.067 -77.650 0.083 -77.967</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.05c83fee-3ec0-4e85-a965-647c383cbbcd" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.0b6986bf-89dd-4ed4-aa42-6e5633390ddd"><gml:timePosition>2025-05-20T06:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.26dea293-dc59-4731-a5b4-7cf488f8a886"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.ddaaeaca-02b7-4dc2-bde1-1baa6d24c844"><aixm:upperLimit uom="FL">150</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.a8a75fe7-f751-4f3b-9c81-a5e15eb336fc" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.167 -77.884 -0.017 -78.000 -0.083 -77.650 -0.067 -77.650 0.167 -77.884</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.13212a6c-2eb5-4bcc-a4c3-b98587e6c7cc" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.26fd4a8f-228c-4370-b9a6-9af6d74c40f2"><gml:timePosition>2025-05-20T12:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.d620c60c-b1b8-4aae-b5ff-d0be7a022438"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.aac453e3-fc97-4d64-b1e9-5188dd524209"><aixm:upperLimit uom="FL">150</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.c7eabf99-b74f-4cfb-b6d7-17a7c70d3031" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.217 -77.934 -0.000 -78.067 -0.083 -77.650 -0.067 -77.650 0.217 -77.934</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>OCNL VA EMS OBS IN WEBCAM LKLY MOVG GEN NW FM SUMMIT. NO VA OBS IN STLT IMAGERY DUE TO WX CLDS OBSC VIEW. VA FCST THRU T+18 HRS BASED ON NWP MDL GUIDANCE BUT LGT/VRBL FL WINDS EXPECTED. ...COVERDALE</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.ec7d85e0-1642-49a7-b229-e0563baa1ffe"><gml:timePosition indeterminatePosition="before">2025-05-20T01:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX24KNES191855_C_KNES_20250519185632.xml</bulletinIdentifier></MeteorologicalBulletin>