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<MeteorologicalBulletin gml:id="uuid.8dcb403e-5dfd-4255-af67-1e6c55de3719" 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.b15686ee-31f3-4802-9207-714ef836abc7" 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.ec255441-ea91-4e6f-afeb-c429b4564d67"><gml:timePosition>2026-04-04T20:20:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.aab1e296-66d5-42be-8dd3-2bddb637a942" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.6055df45-3aee-42f7-857d-4131fbbb5df2"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.8c517ebd-44ab-4b63-b110-2c366891dae7" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.c5e91a0b-aff3-41c9-859f-54395e234408" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.067 -77.650</gml:pos></gml:Point></position><eruptionDate>2026-04-04T20:20:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2026/322</advisoryNumber><informationSource>GOES-19. VONA. NWP MODELS.</informationSource><eruptionDetails>ONGOING VA EM</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.31e08fc8-7631-4317-854e-f39db78a5882" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.b0c8eb8b-9bcb-4f22-8111-252e3491e16e"><gml:timePosition>2026-04-04T19:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.655e96e5-908d-4818-803d-d342a93c6b3e"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.fed661d6-0be8-474f-9261-c4fa27b3169e"><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.bcd1acb5-ce75-43ef-a14a-6b64b856b8cd" srsDimension="2" 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gml:id="uuid.02ba0d6c-db01-43aa-8a65-fdcc1b682705"><gml:timePosition>2026-04-05T08:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.89841540-fb1f-4c5b-a884-d5b97208bc8e"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.12fe0767-3c64-46d0-a3a2-4c2dd4e98e68"><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.554ce6b8-e1f1-4dc6-9f7c-8e7aa40b1260" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.367 -77.850 0.200 -78.083 -0.117 -77.667 -0.083 -77.633 0.367 -77.850</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.8c3d1ebe-5aa8-4b82-8c37-0682c1361a43" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.a6760080-feff-44bd-a0c6-213e002710cb"><gml:timePosition>2026-04-05T14:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.4b88fdc3-d183-45ed-b4ce-7e9e26ca378c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.500bc096-996b-46e6-bab9-1f2e7e314542"><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.daa61b99-f06b-4497-9cc1-6e6cdc908887" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.317 -77.917 0.067 -78.117 -0.100 -77.667 -0.067 -77.633 0.317 -77.917</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VONA RCVD EARLIER FOR VA EM MOVNG WNW FM SUMMIT AND CNFRMD IN STLT IMG. EXP NW MOVNT THRU T+18 HRS. FL BSD ON VONA. FCST BSD ON NWP MDLS. ...LINER</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.f1ae7a82-0ac9-4bb5-8c29-a4492b84e2af"><gml:timePosition indeterminatePosition="before">2026-04-05T02:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES042020_C_KNES_20260404202144.xml</bulletinIdentifier></MeteorologicalBulletin>