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<MeteorologicalBulletin gml:id="uuid.9fa9d8dc-7cc7-49b9-a41f-89b8acde19fc" 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.365b1bcb-bafc-44a4-a5cb-89014405d4bc" 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.f10449ed-ccb0-40d1-afd5-9566d6662afe"><gml:timePosition>2026-04-17T11:29:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.b0506c97-ab21-42e3-bc42-f25cbee0e8de" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.c64620ba-bc40-452d-9792-93206df71ba3"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.de0432a7-2ea8-4d38-abf3-c017109dd9d9" xmlns="http://def.wmo.int/metce/2013"><name>SANGAY 352090</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.c831a558-cf14-4202-8752-f2232283fe18" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-2.000 -78.333</gml:pos></gml:Point></position><eruptionDate>2026-04-17T11:29:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">17342</summitElevation><advisoryNumber>2026/422</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS LKLY</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.dce79c42-670e-4fce-8c4f-f8341b7040a8" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.7024d5d9-c741-43af-b6d3-3061441e2019"><gml:timePosition>2026-04-17T11:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.b390deaf-68c6-477b-943a-e800538ea4fd"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.250b69b3-3655-404e-9582-89f5fd90c572"><aixm:upperLimit uom="FL">200</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.c34829ca-793e-42cb-a9be-4b110499a53f" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-1.900 -78.183 -1.984 -78.367 -2.033 -78.317 -1.967 -78.150 -1.900 -78.183</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">45</directionOfMotion><speedOfMotion uom="[kn_i]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.1b04ed85-89cb-4ec3-8b13-c626c71290b8" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.bd22c383-fb28-4440-b460-6e68b9756f35"><gml:timePosition>2026-04-17T17:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.35e77e68-b59c-44a4-90d8-4cb5de888ce5"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.79baeb69-7f96-47a4-886e-08692b921fb4"><aixm:upperLimit uom="FL">200</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.1f17a83d-abca-4657-8297-555d2c25af10" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-1.700 -78.067 -1.984 -78.350 -2.033 -78.317 -1.817 -77.950 -1.700 -78.067</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.91bdff55-c3f3-442c-80be-b9711af837b2" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.57dc6907-98de-412f-824f-d4527636899e"><gml:timePosition>2026-04-17T23:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.5dedb627-7a2c-4a7e-bd5f-cf5692bb3318"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.0decfe40-b26b-4df5-a7e8-121007bfbb9a"><aixm:upperLimit uom="FL">200</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.b9de3301-2016-440b-897f-f7af7a038f01" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-1.867 -77.950 -1.984 -78.350 -2.050 -78.333 -2.000 -77.917 -1.867 -77.950</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.5f5ea35b-a875-4140-84c8-fe27b71b3b96" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.1d446c27-fc33-4eaa-9128-bae7e96ef740"><gml:timePosition>2026-04-18T05:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VONA RCVD RPRTNG VA EMS UP TO FL200. VA EMS PSBLY OBS IN STLT IMG THRU WX CLDS. VOL INCANDESCENCE EMS SEEN IN WEBCAM. WX CLDS PSBLY OBSCNG ADDTNL VA EMS. NWP MDL GUIDANCE FCSTS GEN NE MOVMT THRU T+12. HGT BASED ON VONA. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.624e2f74-d48f-4baf-8437-5a580db3f1a9"><gml:timePosition indeterminatePosition="before">2026-04-17T17:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES171129_C_KNES_20260417112951.xml</bulletinIdentifier></MeteorologicalBulletin>