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<MeteorologicalBulletin gml:id="uuid.b7396a16-5b85-4838-ac78-0536e6db69c9" 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.d469727f-f057-4f26-a91c-4353ba0964f5" 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.f0c52176-bcbc-4971-9186-f96a7d5f0a9a"><gml:timePosition>2026-01-31T07:09:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.f298a9db-efdc-4201-a43d-9e0352a6603c" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.a5703e23-0c0a-4316-9369-9a0a3196114d"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.e2e3ba6e-30f2-4024-a0ae-cfe72881958f" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.80923e18-440e-416f-9cf6-71ba0e811245" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.083 -77.650</gml:pos></gml:Point></position><eruptionDate>2026-01-31T07:09:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2026/124</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>VA EMS OBS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.27ec72f7-b9c3-4cbc-ae2b-20ce29d6bd00" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.3d84a31c-e4a3-4300-b8b5-17d9ef76878a"><gml:timePosition>2026-01-31T06:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.7cbf0399-387e-4343-81bd-26d7c5751728"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.8e34910a-f936-469b-90d7-2699e26f0049"><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.52339bc0-4e91-4fd9-bbee-d8c1101b6252" 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 -77.917 -0.000 -77.934 -0.083 -77.667 -0.067 -77.650 0.033 -77.917</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.b88e4930-722a-4e31-b383-d11d6dc774e9" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.2f3e016c-d87f-4968-a1ef-8a9e8f5d1971"><gml:timePosition>2026-01-31T12:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.ff210870-d0df-4f0a-9ca0-1ec0a3d9b0e6"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.8191012b-fcb7-43e4-89bd-64f0c6565eb8"><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.24d90716-ae8d-4244-8627-550675945fd9" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.050 -77.967 -0.017 -77.984 -0.083 -77.667 -0.067 -77.650 0.050 -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.41ad7941-9f15-4af5-be9d-a426971a8153" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.7ce7e1a9-6e91-4cff-bafe-1d250f12cb9c"><gml:timePosition>2026-01-31T18:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.26749c47-a388-459b-9818-3846547180e8"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.482d6829-f594-4183-9a23-7d861488e434"><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.a5e15b72-0789-427a-a52d-2679f1817ab5" 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 -0.017 -77.984 -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.27b41d30-ae6a-434a-99f3-d5f7a8426f69" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.cbf526b1-57bf-4361-a936-45ae5ff2af03"><gml:timePosition>2026-02-01T00:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.5c916cf4-bb3d-4ef6-8d98-eaa39ed315de"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.d6311177-afb9-47c4-8789-5a0becc7fae6"><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.c47f44f3-9ab7-4318-b8b8-daa737e667ad" 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 -77.984 -0.167 -77.984 -0.083 -77.650 -0.067 -77.667 -0.067 -77.984</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 UP TO APPRX 17NM FM SUMMIT. NWP MDL GUIDANCE FCSTS GEN NW MOVMT THRU T+12, THEN WSW MOVMT BY T+18. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.1cfcb227-191f-45e9-81e5-d452d920cb3a"><gml:timePosition indeterminatePosition="before">2026-01-31T13:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX22KNES310709_C_KNES_20260131071029.xml</bulletinIdentifier></MeteorologicalBulletin>