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<MeteorologicalBulletin gml:id="uuid.722622b7-a8e3-422e-b655-96ed18a26248" 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.d42f05f3-ab6e-40ff-9c42-5a6b6ac6e921" 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.67196669-18d8-49c3-acd7-28eaa3cd4466"><gml:timePosition>2026-05-24T15:53:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.7ac3c696-8ec7-4ccc-af69-7f6f8e67fa8f" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.b31f8ab0-1ff1-47e3-9b65-45450aa8b05e"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.6e86ad61-0956-4ff0-97ea-a12cd90e3789" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.9f7a34d0-a598-4600-861f-d5132a00eb71" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.083 -77.650</gml:pos></gml:Point></position><eruptionDate>2026-05-24T15:53:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2026/506</advisoryNumber><informationSource>GOES-19. NWP MODELS. VOLCAT.</informationSource><eruptionDetails>VA EMS OBSD</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.be191723-cac9-46a1-b5a2-265bed8fe59f" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.8f4c9963-f805-4cd4-b156-24ba4e3f3b6a"><gml:timePosition>2026-05-24T15:20:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.38da73c9-0435-4f4a-923c-2af1a7dce205"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.e4598851-4629-41ea-9db1-d70ab9a6116c"><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.e34c2cca-f5c3-4e04-aec7-5455b3bb66ca" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.217 -77.850 0.083 -77.950 -0.083 -77.667 -0.067 -77.650 0.217 -77.850</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]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.14fe9e28-db16-4f5d-8e4f-74b797d9dd14" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.9dd6a906-e796-4927-ada6-96e0800d72b9"><gml:timePosition>2026-05-24T21:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.2a130ed3-9d9a-4e52-aa38-165ab0c0fa4e"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.b30d8d92-6579-4dc8-b082-2b2181482e65"><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.7699e328-de77-43ee-b6a3-d11439f4c7bd" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.083 -77.900 -0.083 -77.950 -0.100 -77.667 -0.067 -77.650 0.083 -77.900</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.a1c1be40-553c-437a-bd69-9496afb4349b" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.44300c26-ac7b-4b81-be57-b28e6a6d6c79"><gml:timePosition>2026-05-25T03:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.026e7dbb-b29f-493a-8f60-ba79033c070d"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.052a1b4f-d6cb-460f-8023-2013bb8afc29"><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.4fcb192e-fa37-4f0f-9d2c-b843037a7079" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.067 -77.967 -0.067 -78.000 -0.083 -77.650 -0.067 -77.650 0.067 -77.967</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.9c78d259-ff6e-46fd-8c4e-1aa31f08853d" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.2648aa68-7f8d-449a-82b4-d6c151643e3b"><gml:timePosition>2026-05-25T09:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.735a2e71-b7ef-4782-b098-14f2cfb6c449"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.3fb5d01c-b8a0-4ea6-b5a9-e38a67416bc7"><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.b0069ccc-6960-4bef-a7a0-eb5e6c4c7a58" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.067 -77.950 -0.083 -77.984 -0.100 -77.650 -0.083 -77.633 0.067 -77.950</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBSD IN SAT AMONG MET CLDS. VA CLDS MOVED NW FM SUMMIT. WEBCAM OBSC BY MET CLDS. VOLCAT ALERT RECEIVED. NWP MDL FCST W-LY WINDS THRU T+18HRS. ...ZENG</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.ca72d780-06cb-4583-8c01-252a7c0e43c6"><gml:timePosition indeterminatePosition="before">2026-05-24T22:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES241553_C_KNES_20260524155453.xml</bulletinIdentifier></MeteorologicalBulletin>