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<MeteorologicalBulletin gml:id="uuid.2fec9142-d0ec-4e6a-9d36-1299e0227586" 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.b9358b13-a71d-4a5f-851f-bd4e1fff1360" 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.680b46ea-0495-459e-b035-51f2ef4c97b9"><gml:timePosition>2025-08-19T04:17:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.a92206bb-5fda-4e5c-bec5-bbb696e09acd" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.9c4ebca3-67be-4c8c-b6d2-35c4a2053b57"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.bf384db1-f3bd-49dc-b214-7e0249da47ad" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.2af73c0c-fd23-4f19-8eb5-985b25ba6dcf" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.083 -77.650</gml:pos></gml:Point></position><eruptionDate>2025-08-19T04:17:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2025/788</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>ONGOING VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.ebe0e93e-1f57-4c47-a071-0fba846a8d85" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.6713d5ea-0bb6-4472-a6b8-fe286404acb9"><gml:timePosition>2025-08-19T03:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.87def881-911c-4e18-a1ba-5309f5edfedb"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.dfe95431-b315-4c31-a785-8252b74f1825"><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.8144ec01-af68-4573-93d8-35b59b8d5a54" srsDimension="2" 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gml:id="uuid.1aaa99cb-df56-429f-9bdc-c364d87b935b"><gml:timePosition>2025-08-19T16:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.4a7f60e2-c5b0-4bfb-b2a1-f2aa40c97206"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.66ed10c6-056c-4bbe-9927-1cc550a2d1bc"><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.26649d82-de75-4c47-b081-b541bc86e684" 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 -77.984 -0.033 -77.984 -0.083 -77.667 -0.067 -77.667 0.033 -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.b2271685-124a-4f15-bcb0-f466d7330a33" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.6f119f86-ec87-47f0-9c5a-e94f911097af"><gml:timePosition>2025-08-19T22:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.d5dc1824-2c8a-49dd-9bf5-b6eb2e26146a"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.c85eb9ed-1ecf-4498-b575-5dad2f65c922"><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.76367aa8-1f34-47ce-96a3-d8bd850ad778" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-0.017 -78.017 -0.117 -78.017 -0.083 -77.667 -0.067 -77.650 -0.017 -78.017</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 NW OF SUMMIT. WEBCAM SHOWS CONS ACTVTY. HOTSPOT ON SWIR. MDL WINDS AT FL FCST TO GRDLY BACK NXT 18 HR EVENTUALLY BECMG MORE FM THE E. ...KONON</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.e64b1ddc-00fe-42dd-b03d-edf36264b61f"><gml:timePosition indeterminatePosition="before">2025-08-19T10:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES190417_C_KNES_20250819041822.xml</bulletinIdentifier></MeteorologicalBulletin>