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<MeteorologicalBulletin gml:id="uuid.eae9a0da-0dff-4662-83d7-3aa2e7ae37dd" 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.ff31346a-64ad-4ebc-ac44-ee196fde0283" 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.3236264e-e505-409c-8b58-c5c1a20fb454"><gml:timePosition>2026-01-03T19:18:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.7868e87c-2187-4210-8287-3d9aa45d461f" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.051260a2-df82-4610-93b0-4dc2bfb68710"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.84b8dab0-c75f-4fa2-8e5a-8bd9de2b11bf" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.c2baffa0-06ec-4e0d-a870-ca5516d49c6b" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.083 -77.650</gml:pos></gml:Point></position><eruptionDate>2026-01-03T19:18:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2026/012</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>VA EMS PSBL</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.2714572b-04f0-4525-a3d1-4e099d5090da" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.10d37c0e-b218-4f15-b765-b7f5872972c8"><gml:timePosition>2026-01-03T18:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.ee7b13d2-b13d-4776-b1fd-a538149df881"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.fb783bdb-21e5-4f39-a968-19f5252f73ff"><aixm:upperLimit uom="FL">170</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.6164de6a-eeaa-45a7-a504-3c39425467ab" srsDimension="2" 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gml:id="uuid.ecea3915-5484-4638-a598-eb045cc99320"><gml:timePosition>2026-01-04T07:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.15e13faf-08a7-48a6-a4de-22f27b3c63eb"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.cdeeee57-28b5-406c-ad36-7046932986fe"><aixm:upperLimit uom="FL">170</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.e4a1cb29-73fa-4fe9-b8a6-166af7c7c7dd" 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 -77.834 -0.033 -77.850 -0.100 -77.650 -0.067 -77.650 0.017 -77.834</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.7fa501d7-6cb0-4ce4-8144-07dc8294b04e" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.ff0dad3f-558c-4bc8-adb9-d533649afd41"><gml:timePosition>2026-01-04T13:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.78949c09-f79b-4c00-95af-f3707ef45e1a"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.0ba048b3-2e69-43f3-bbef-753ddb9de4f8"><aixm:upperLimit uom="FL">170</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.74c93093-f2e8-4576-a7f5-023657beb54a" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-0.000 -77.850 -0.050 -77.867 -0.117 -77.650 -0.067 -77.650 -0.000 -77.850</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBS IN STLT IMG THRU WX CLDS UP TO APPRX 5NM FM SUMMIT. NWP MDL GUIDANCE FCSTS GEN WNW MOVMT THRU T+18. HGT AND SPEED BASED ON MOVMT AND NWP MDLS. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.301a6c32-3265-47e3-9fc9-5c1022838a33"><gml:timePosition indeterminatePosition="before">2026-01-04T01:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES031918_C_KNES_20260103191907.xml</bulletinIdentifier></MeteorologicalBulletin>