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<MeteorologicalBulletin gml:id="uuid.0d0fe8b2-4258-4eb7-9844-4e87f42379ce" 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.530620bc-e4eb-42ac-b64c-59c4ab3cdd26" 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.94561175-946f-427f-94d4-dd779222acf3"><gml:timePosition>2026-03-22T01:25:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.5429a686-649c-4bfe-ba6e-f71dbc551c11" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.e00644c2-2514-4d55-88b8-4a1c08acc97b"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.f6767c8e-8652-405c-95cc-c57ce684bcd4" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.08f50e47-5ec5-4754-a3ef-cfe50edc8623" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.067 -77.650</gml:pos></gml:Point></position><eruptionDate>2026-03-22T01:25:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2026/281</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>VA EMS OBS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.1c633b5d-0b3f-4413-acc5-37c29c1a7298" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.107ac107-607c-46c2-923a-6e5f1fa76a1f"><gml:timePosition>2026-03-22T00:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.e5469c4a-a21e-4f6b-b42b-956433d393c4"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.15ca36e1-4c12-4db1-a7dd-622becb47dd5"><aixm:upperLimit uom="FL">160</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.6ec65c4a-cb02-40fb-aa63-86a36efca5d9" srsDimension="2" 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gml:id="uuid.60616255-6807-4d98-b47f-49e5e5bebae4"><gml:timePosition>2026-03-22T12:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.ba45bc33-f987-4a08-9023-474bb857191f"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.1181e5e8-093f-4d85-a85c-1c5be694d85e"><aixm:upperLimit uom="FL">160</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.4b72de0f-2249-4b71-ad57-a1b6eeaf078a" 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 -77.667 -0.133 -77.667 -0.317 -76.767 -0.083 -76.733 -0.017 -77.667</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.3fe2bad5-dbaa-4065-aab9-361594f6e816" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.aa160080-3ee6-4bfc-a7e8-af0094b9bb06"><gml:timePosition>2026-03-22T18:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.01a099a3-69c5-4a79-99ac-5ca43e682839"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.e69caa23-6f51-4835-8ba2-af33b67b421e"><aixm:upperLimit uom="FL">160</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.f42028af-e121-4e83-9127-b35501f00423" 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 -76.767 -0.033 -77.650 -0.117 -77.633 -0.083 -76.733 0.133 -76.767</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 IN STLT IMG THRU WX CLDS UP TO APPRX 28NM FM SUMMIT. WX CLDS PSBLY OSBCNG ADDTNL VA EMS. NWP MDL GUIDANCE FCSTS GEN ESE TO ENE MOVMT THRU T+18. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.156d72c8-91e9-4d54-9c5e-6c1267391923"><gml:timePosition indeterminatePosition="before">2026-03-22T07:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX22KNES220125_C_KNES_20260322012557.xml</bulletinIdentifier></MeteorologicalBulletin>