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<MeteorologicalBulletin gml:id="uuid.ece2d86b-08cb-4fbb-aa99-a6531965ad9c" 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.db33dff0-a371-4d6c-9aa0-3a3cf7bad5bd" 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.c009c5e2-c3ff-44d8-bf0b-da0f30df1425"><gml:timePosition>2026-04-28T05:45:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.fe7ace39-c654-4b2e-9c7e-946a0819ff7d" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.b2f51ffa-7f3b-44b0-b739-d924210aab62"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.2316983a-dfac-486a-9295-5d431dae2bee" xmlns="http://def.wmo.int/metce/2013"><name>SANGAY 352090</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.e4c9f225-0819-4408-a7bb-4fe40c59a103" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-2.000 -78.333</gml:pos></gml:Point></position><eruptionDate>2026-04-28T05:45:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">17342</summitElevation><advisoryNumber>2026/466</advisoryNumber><informationSource>GOES-19. VONA. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS CONT</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.9ad395d0-aa69-4f16-b245-451c2e6093fb" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.d87dafab-bdde-4348-9c57-dc07e0cdcfdf"><gml:timePosition>2026-04-28T05:20:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.d3016c5a-b897-4ffc-9343-fb0b77b3db24"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.fbcce394-3f8b-4d08-81e6-0ff894cbf4d8"><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.93fb054d-ada9-480e-b6c6-b2fe93d529e2" srsDimension="2" 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-78.717</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.34d2d697-96c0-422e-869b-a5f8cda9701e" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.20317c97-0820-4d8f-a4e8-c1cb79cd7e67"><gml:timePosition>2026-04-28T23:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.fe3e31e6-8a47-44ac-ad26-fece73321ce1"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.3bb987cd-6c2a-4c48-8392-e24fc209ebb8"><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.3945b054-37c9-4b7a-ad7b-a0231ebdf843" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-1.984 -78.317 -2.017 -78.717 -2.183 -78.633 -2.017 -78.317 -1.984 -78.317</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VONA RPRT RCVD FOR VA EMS MVG SW FM SUMMIT. VA NOT OBS ON STLT DUE TO WX CLD CVR BUT WEBCAM SHOWS EMS. W TO SW MVMT EXP THRU T+18 ACCORDING TO NWP MDLS. ...EVANS</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.25500139-9fd0-4832-973c-c869f66ccb9d"><gml:timePosition indeterminatePosition="before">2026-04-28T11:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES280545_C_KNES_20260428054703.xml</bulletinIdentifier></MeteorologicalBulletin>