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<MeteorologicalBulletin gml:id="uuid.06a3b988-aead-4904-bf33-4dd79f5482bf" 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.6747e2d1-caf9-4315-b9d7-4365e5058281" 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.ccd2b3cf-fb8d-44a5-b5cd-37f3655e86db"><gml:timePosition>2026-05-17T15:08:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.7b6496f0-3746-46e0-83f3-eb804305c3dd" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.a98578d4-e390-4521-9d2f-20a739022420"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.e6e2b06b-b8ad-42a3-a0e8-f0fdcc8c7665" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.986cfc02-1530-4246-a255-e5ee746d1730" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.067 -77.650</gml:pos></gml:Point></position><eruptionDate>2026-05-17T15:08:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2026/487</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS. VOLCAT.</informationSource><eruptionDetails>CONT VA EMS PSBL</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.6e5dbe2e-baaf-47b9-a6fc-eb7e59d3b982" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.4aba6edb-bb62-478a-a025-a33cf2f6c1ee"><gml:timePosition>2026-05-17T14:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.b49ecf5c-cc6b-4583-9fa7-00a8acd3d78f"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.02713aa1-639a-4099-b583-5e3df79cbc23"><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.9e4341d7-4829-45ab-bc7b-5249308ffed1" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="4">-0.017 -77.750 -0.067 -77.767 -0.067 -77.650 -0.017 -77.750</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">270</directionOfMotion><speedOfMotion uom="[kn_i]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.41fc2cd9-e2b7-40ea-8532-e3f945fc619d" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.e477b555-8526-4e34-ab5c-2136688aba49"><gml:timePosition>2026-05-17T20:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.9330ac3c-f5a6-4f36-81e5-e3720285d2e7"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.09ac0a20-7117-416e-8e7a-2681c9a7247e"><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.163cb0cd-8259-4bd1-972a-ec98be6b377e" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="4">-0.000 -77.767 -0.067 -77.783 -0.067 -77.650 -0.000 -77.767</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.766cdad3-afaa-49da-9f8c-587ee2f60d1c" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.57b0a126-84fa-48ce-87e4-02bc470dd17b"><gml:timePosition>2026-05-18T02:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.8f61a06e-eac8-461a-8308-4adaaf605441"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.ea03921a-5a9e-4244-b54c-01e1b98f026c"><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.1e2ba9fe-aa51-4982-8062-fed8412d840c" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="4">-0.000 -77.767 -0.067 -77.783 -0.067 -77.650 -0.000 -77.767</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.5b29795e-715d-48d2-8f94-4b622ee7947b" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.20a6db30-e9a4-4143-a5c2-13a15f032614"><gml:timePosition>2026-05-18T08:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>CONT VA EMS PSBL. VA NOT OBS IN STLT IMAGERY DUE TO WX CLDS. PSBL VA FCST TO CONT W MOV THRU T+12HRS BEFORE DISP. VO ACT LOW. ...FISHER</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.88612588-73d1-480d-a089-4c25c792feb4"><gml:timePosition indeterminatePosition="before">2026-05-17T21:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES171508_C_KNES_20260517151027.xml</bulletinIdentifier></MeteorologicalBulletin>