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<MeteorologicalBulletin gml:id="uuid.185fa232-7bfc-42a6-8168-0ba0c4fc63a0" 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.b81292f0-26a2-4fa6-89dd-14981e30a544" 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.97753a8d-5949-4e9f-a944-d68a4e9fa682"><gml:timePosition>2025-09-25T14:23:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.4d677768-5e01-44f3-9da4-aa7c4f1da3fe" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.b3e66000-4fc6-4fac-8610-a75dbb4ff038"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.d3f04d1d-3440-4bee-af6e-3af6ed7c21e6" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.d16b48aa-65b4-4e54-934b-85fab2e333cf" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.067 -77.650</gml:pos></gml:Point></position><eruptionDate>2025-09-25T14:23:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2025/934</advisoryNumber><informationSource>GOES-19. VONA. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS CONT</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.82d29534-cf7d-4750-a702-60b5e0eb51bb" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.673954da-c564-47ed-ae7e-f6edfbc5927c"><gml:timePosition>2025-09-25T14:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.29c8c719-4c67-4c81-8434-b1a6fd03f745"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.daadf02f-0a65-4d2c-bf79-c4a0bc351e9e"><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.5ecb5054-9323-4b85-b712-3015bac37fb6" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.133 -77.817 0.017 -77.934 -0.083 -77.667 -0.067 -77.633 0.133 -77.817</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">315</directionOfMotion><speedOfMotion uom="[kn_i]">15</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.11d6af76-0e49-4cfa-8a11-dc02d31e1dbb" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.0bb45a12-ebf5-48e3-8245-cd70e46ffc57"><gml:timePosition>2025-09-25T20:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.9172550a-05e1-4fd8-a876-4db2c7ec99b7"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.1d6e0108-bb0c-40d0-92e1-ef6d9d6ab95e"><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.d3526bfb-25d0-4ae2-84a3-ae7ffbb7c91e" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.250 -77.917 0.100 -78.050 -0.100 -77.667 -0.067 -77.633 0.250 -77.917</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.e4082152-e90c-4572-85d9-e52cc41c367a" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.5db1515a-faba-4a1b-92dd-f9966fa4ea46"><gml:timePosition>2025-09-26T02:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.a7e79364-ebcc-4c86-9abc-525c7712c079"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.d4bbdcd1-2536-4346-afda-df34e851fb4f"><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.1c7cdcae-4b8f-488c-a88b-676bb5df1ead" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.233 -77.834 0.100 -77.984 -0.100 -77.667 -0.067 -77.633 0.233 -77.834</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.750ccc8a-ad40-41a6-b235-d6096b4cf877" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.c15d9e5c-1e7c-4f55-8fd6-a12fed1b7e9d"><gml:timePosition>2025-09-26T08:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.1732d547-597b-445f-a8b4-c013c13880e2"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.3a0cd777-f3b7-437f-95d1-c4387d061b77"><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.7a8f8fe2-0f60-4f91-8b48-95abe9624d7c" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.267 -77.850 0.133 -78.000 -0.083 -77.667 -0.067 -77.633 0.267 -77.850</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBS ON WEBCAM AND STLT BETWEEN WX CLDS MVG NW. NWP MDLS SUG LTLCG IN VA MVMT THRU T+18. FL BASED ON WEBCAM AND EARLIER VONA. ...EVANS</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.efb66e7f-9651-45e6-88d0-9fb38eeb5209"><gml:timePosition indeterminatePosition="before">2025-09-25T20:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES251423_C_KNES_20250925142452.xml</bulletinIdentifier></MeteorologicalBulletin>