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<MeteorologicalBulletin gml:id="uuid.c14ad749-1af3-423c-9be8-cd43cbaf2781" 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.673ecec6-c6a0-4154-ae62-07427342406f" 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.2fd20707-813b-4463-ab88-4b967bf2d7f1"><gml:timePosition>2026-04-09T18:09:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.86ebd7b8-b77c-4470-b46e-b39ee1ef4a2c" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.9438795b-5aa0-4ff8-ac55-c48855838e13"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.798fdf11-5be6-4958-ab6f-0b8a487ee6bc" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.f46166e6-0032-4a91-8728-4b5982e94182" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.083 -77.650</gml:pos></gml:Point></position><eruptionDate>2026-04-09T18:09:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2026/343</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails /><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.cba03af3-311d-4d20-b431-25c950b4b36c" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.d7811a22-14c9-43bf-a805-3a9fcaa6e121"><gml:timePosition>2026-04-09T17:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.31ec1ba0-c140-4ac0-adb8-a28fbcf51bbf"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.17be2c50-1687-4466-8054-ed222e005d76"><aixm:upperLimit uom="FL">140</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.2b18d7cf-c297-436e-8a6a-9c7d1588fb0b" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-0.017 -77.934 -0.100 -77.934 -0.083 -77.667 -0.067 -77.650 -0.017 -77.934</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.b23a6e34-ed36-4925-b4bd-591037cf01f6" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.82b2087b-6644-4042-8f46-e290cd8cf150"><gml:timePosition>2026-04-10T00:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.b0c39d53-a1ff-42bb-98d1-b076d980426a"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.ba030fa0-65bb-40e2-93a6-5898cdc080e2"><aixm:upperLimit uom="FL">140</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.a29871d9-9f12-46e9-9beb-cd1315283a91" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-0.017 -77.934 -0.100 -77.934 -0.083 -77.667 -0.067 -77.667 -0.017 -77.934</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.6234cc9e-6c0c-4c1c-a9d3-459db64a83f4" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.989cc3e3-2918-4b0c-ac24-9a89de6755e0"><gml:timePosition>2026-04-10T06:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.79899b4e-8cf3-4fd9-ab75-aa7adac1de27"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.96191809-55a4-4349-8eda-57ca34fe734f"><aixm:upperLimit uom="FL">140</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.2c5d3312-c0b0-4226-8487-107e3cbe7d23" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-0.017 -77.934 -0.100 -77.934 -0.083 -77.667 -0.067 -77.650 -0.017 -77.934</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.cdc54437-e604-4e11-aec3-fc8e880dbe08" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.a6fbccc1-2ea8-42d7-80d5-60d295806a01"><gml:timePosition>2026-04-10T12:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.13f4d8c8-2997-48d8-ab4c-00694b9cfb4c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.d13216c0-37a2-4ba5-86b8-10a23f7fc474"><aixm:upperLimit uom="FL">140</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.fc3c6f2c-81d3-4a06-a0b5-3ee6d272f761" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-0.017 -77.934 -0.100 -77.934 -0.083 -77.667 -0.067 -77.667 -0.017 -77.934</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 TOP WX CLDS IN SUMMIT AREA. VA EMS LIKELY CONTINUE GIVEN RECENT ACTVTY. NO CHG FCST TO MDL WINDS AT FL NXT 18 HR. ...KONON</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.dff090cb-25fb-4f6f-9e12-ad11502663b9"><gml:timePosition indeterminatePosition="before">2026-04-10T00:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES091809_C_KNES_20260409181036.xml</bulletinIdentifier></MeteorologicalBulletin>