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<MeteorologicalBulletin gml:id="uuid.717093ff-611f-4fdd-894e-e81a27f379bd" 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.3570f5ea-c0d6-41eb-88b4-1c7d89021bf2" 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.657b9ba6-93c7-4490-a984-9461074166fc"><gml:timePosition>2025-12-01T04:23:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.ea32cd94-67ed-4840-a41b-fb1ee844cacf" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.ae64a675-db01-4371-bfcd-48318127f94d"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.1cf7bd05-0706-4f95-ac28-25129bbd4e8a" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.42b0a304-a4a6-4b81-8069-cf05a2d7fc4a" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2025-12-01T04:23:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2025/813</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>OCNL VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.1eb0b8cf-7946-4e8d-8f1c-719cd7ca7935" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.136432bc-3367-4bca-b915-3ed9c538cf76"><gml:timePosition>2025-12-01T03:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.461c55d1-6078-47ec-9aab-83293cb7eb2b"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.27bd7aa7-0b85-464b-ae3c-34e9815b689e"><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.2458a71e-2460-4e11-b1a8-4e690d10961e" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.867 -91.884 14.733 -91.917 14.733 -91.533 14.767 -91.533 14.867 -91.884</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.ba005507-716d-45d2-9b2c-487277528fbb" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.4bfe0e81-6cf6-40b0-a63c-83068a38a50a"><gml:timePosition>2025-12-01T10:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.82f6220e-d095-4622-bfea-1d5732bb1a79"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.c82971f0-f664-426f-bc1e-04fc288c2faa"><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.38db21a7-c982-46fe-bef3-19220d8b3c4e" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">15.000 -91.984 14.783 -92.033 14.750 -91.533 14.767 -91.533 15.000 -91.984</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.a561d5e1-8696-4be2-bd80-8b3b569fdea2" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.7e921dde-38bf-46c5-8253-2120fecd85e3"><gml:timePosition>2025-12-01T16:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.5e9ecdbe-4b5c-4a9a-b418-8ec546be3735" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.1d8e8833-7779-4324-aaba-45c8226959bc"><gml:timePosition>2025-12-01T22:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>OCNL VA EMS OBS IN STLT IMAGERY AND WEBCAM MOVG APPRX 20NM W FM SUMMIT. VA FCST THRU T+6 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.9a9f1b99-27a6-4a22-bb47-e3b1fe3da209"><gml:timePosition indeterminatePosition="before">2025-12-01T10:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX22KNES010423_C_KNES_20251201042444.xml</bulletinIdentifier></MeteorologicalBulletin>