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<MeteorologicalBulletin gml:id="uuid.de622789-3062-4f58-9040-385f5a1ac532" 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.be5089d9-a591-440f-a278-0b94f34b1913" 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.5b759270-df0a-462e-a87d-8de2f4291abe"><gml:timePosition>2026-05-09T20:43:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.5d3e18e3-1f7a-4bee-8b23-c682e738f67f" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.e0f007da-1d8c-4432-9a0f-cf0da7135880"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.804bd16b-80d6-42c5-aea4-811b51bd33b9" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.bbb249ac-40db-43ed-b6fc-8b62d2b6ad52" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.083 -77.650</gml:pos></gml:Point></position><eruptionDate>2026-05-09T20:43:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2026/461</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>ONGOING VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.d8d4fb47-7119-4655-8cf7-25205aab6b55" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.8343e9e2-2054-4cae-acf4-a2a26d02f9e5"><gml:timePosition>2026-05-09T20:10:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.4f2dabc0-c2e4-4084-83b4-e70959833dbf"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.e91b17f8-027a-49b2-b393-e16ab4eb9496"><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.e86a586e-dc19-4471-b63b-f748e86bdf77" srsDimension="2" 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gml:id="uuid.8fa7586f-0a42-40bc-890c-6b347cd9bcc5"><gml:timePosition>2026-05-10T08:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.738d7744-5109-476e-bf38-026d5ff467bd"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.bd50b7f3-2a00-4eef-863f-c1802188cb30"><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.dc621dee-64c7-494c-a2f8-18b4d8f08c2e" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.067 -77.984 -0.017 -78.000 -0.083 -77.667 -0.067 -77.650 0.067 -77.984</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.0e43aa3d-e572-4109-9dd8-152d399ebf99" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.e620cfb9-3ea6-4d25-9c3e-be020056d0f8"><gml:timePosition>2026-05-10T14:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.016f3fd3-4a8d-4fb0-826b-d9d1604cd12d"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.96bc2c40-a05e-4fc8-8d94-8d660e923815"><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.bb0feed8-0437-47e1-8ec4-e14c890a7298" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.067 -77.984 -0.017 -78.000 -0.083 -77.650 -0.067 -77.650 0.067 -77.984</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA DETECTED ON STLT MOVG WNW OF SUMMIT. NO CHG FCST TO MDL WINDS AT FL NXT 18 HR, ...KONON</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.be215799-b8f0-4177-a99b-a2d3da219972"><gml:timePosition indeterminatePosition="before">2026-05-10T02:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES092043_C_KNES_20260509204435.xml</bulletinIdentifier></MeteorologicalBulletin>