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<MeteorologicalBulletin gml:id="uuid.9fac3c5e-36c7-4b7e-80fa-5969779dd358" 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.7edb4eaf-815c-4cba-a10d-f9f1a0ba4959" 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.87d03a62-aac3-4772-b9a1-dce5424b4d8a"><gml:timePosition>2025-08-31T20:44:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.45b4cf1b-f5ae-4c3b-bee3-db6caf8186e8" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.8ea55469-d530-4259-ab11-1b3666943dd3"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.ed1b4b84-60b6-481b-be5f-682493d93777" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.b494c417-b1e4-4fb2-9266-9a391455de6a" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.067 -77.650</gml:pos></gml:Point></position><eruptionDate>2025-08-31T20:44:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2025/833</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>PSBL VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.9eacb2e2-c542-474c-9920-dce53a1e9897" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.7895206d-acfd-424c-89f7-6ecce5c223f0"><gml:timePosition>2025-08-31T20:10:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.0e77635d-402f-4839-81a5-9317b1d55f92"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.0eb57e33-5425-48a7-8d6e-2487eaf5e303"><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.c203bb2e-2b7a-4bcf-9a49-53ea132a3e83" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.000 -77.884 -0.117 -77.900 -0.083 -77.650 -0.067 -77.667 0.000 -77.884</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.1380177a-51d5-4fc9-8bd0-7cc5c76cd78b" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.8d9ffd7f-448b-4107-a8dc-db3dac57316d"><gml:timePosition>2025-09-01T02:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.74e4d183-55f2-48c4-8f8d-802bcb0c7a13"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.3271ffe9-6b47-4457-9f2e-f48c4d1e1723"><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.ff362597-2044-4060-bc47-9b11f5d999ce" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.100 -77.934 -0.033 -77.984 -0.083 -77.650 -0.067 -77.650 0.100 -77.934</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.7deea9b6-4049-4f16-9f0d-437a02f6b40c" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.e861e5d3-c1f1-4975-bad7-0aa2693424e4"><gml:timePosition>2025-09-01T08:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.27fafdce-ebda-4d63-8477-220dcde301d7" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.a9494c76-a6b1-4219-8f77-c6233b6a41f7"><gml:timePosition>2025-09-01T14:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA NOT VISIBLE IN STLT IMG MAYBE DUE TO MET CLD CVR. VA EMS MAY CONT BASED ON PREV VOL ACTIVITY. A GEN WNW MVMT EXP THRU T+6. FCST BASED ON MDL WINDS. ...GATLING</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.a00c2172-ec80-46d0-a9ab-aa374c3a5354"><gml:timePosition indeterminatePosition="before">2025-09-01T02:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES312044_C_KNES_20250831204434.xml</bulletinIdentifier></MeteorologicalBulletin>