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<MeteorologicalBulletin gml:id="uuid.0be2cb2a-960e-4968-bae3-88630ef75ade" 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.00f90477-3e04-47e4-a89b-74d4ef0dc52b" 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.fff13e9c-865e-4e28-a4c2-e4d6d4e64170"><gml:timePosition>2025-08-18T04:53:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.a87648bd-3a6e-4157-9782-9da21f0b59d2" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.614d7ef4-dcf9-4fcc-9a84-1c44752dbcf3"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.a6581b7b-e164-41f8-acb1-e3f97805ddb0" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.6975b707-08de-4ecd-a24e-faffb8819098" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.067 -77.650</gml:pos></gml:Point></position><eruptionDate>2025-08-18T04:53:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2025/784</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS ONGOING</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.2b5fedcb-afef-4ad4-af64-d9e1dba2d1f8" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.57e73cde-9ea9-4f32-9406-c54d3d9f6fcd"><gml:timePosition>2025-08-18T04:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.b3e4e390-e301-4a52-b3f2-034f64c81dbb"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.4cea8cb8-14b7-45b2-8dac-e27975101aee"><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.7e533c92-8578-4d82-9dca-edd10bb58aea" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.033 -77.900 -0.033 -77.917 -0.083 -77.667 -0.067 -77.650 0.033 -77.900</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.f3dd227e-9547-488b-95c5-198a7d5bff6f" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.87768616-c02e-4bf9-9615-fbae39dbd1e2"><gml:timePosition>2025-08-18T10:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.0c95f00a-bf1a-418c-a01f-c72508a927c6"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.6effab6d-8381-479b-8db4-3eac1cc32b9d"><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.bb2b0683-cea3-4a28-b2ef-a23a9e21a421" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.033 -77.884 -0.033 -77.917 -0.083 -77.650 -0.067 -77.650 0.033 -77.884</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.203845cc-68c0-44f1-b35b-32b7a313ffbf" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.22523c0d-0420-49de-b5b9-8309f79ed7c9"><gml:timePosition>2025-08-18T16:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.a0156c66-69dc-45f9-8f21-9380c445ae01"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.3c71c89d-d3d0-4ec3-8419-187df10df646"><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.9672bf90-b48e-4c81-92bb-53d4823c9022" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.033 -77.884 -0.033 -77.917 -0.083 -77.667 -0.067 -77.667 0.033 -77.884</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.9d22b2ec-fca0-4322-bb2b-a41a51be13d4" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.7dbaf73a-851c-4ee6-bdfd-8c34d30a3be9"><gml:timePosition>2025-08-18T22:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.a507e8ad-67e8-4535-aa8d-b173f4685507"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.e8c22987-a385-4aa3-86c3-9d150bab0820"><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.0adcc91c-c9d1-42fb-b7bd-f5aadf494d22" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.033 -77.884 -0.033 -77.917 -0.083 -77.667 -0.067 -77.650 0.033 -77.884</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA NOT DETECTED ON STLT DUE TO WX CLDS IN SUMMIT AREA. WEBCAM SHOWS NEAR CONS ACTVTY. NO CHG FCST TO MDL WINDS AT FL NXT 18 HR. ...KONON</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.698d29a1-c0fb-4f4a-9006-7250c728e5f6"><gml:timePosition indeterminatePosition="before">2025-08-18T11:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES180453_C_KNES_20250818045438.xml</bulletinIdentifier></MeteorologicalBulletin>