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<MeteorologicalBulletin gml:id="uuid.9a9fc216-9548-4306-a7b8-d274b6d9ae3f" 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.5d8ad043-8034-4e57-b382-03f194a57f5e" 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.908d2afe-b06f-463a-98b0-2f3d9e5db52d"><gml:timePosition>2025-12-28T01:32:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.d6fbcc80-83f2-423a-b3f8-05428c46d7e3" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.b440160a-9434-4bd1-85fe-a854fbc6a154"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.319538f4-af2c-40a4-97f5-9f20cd36085f" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.4e06a208-59c3-4c33-88a7-f222365a2aa6" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2025-12-28T01:32:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2025/889</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS LIKELY</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.d8f6f9bf-2a64-44ff-b439-c9613ff9024a" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.646c0284-01b8-42c6-a33a-d59a09ffb445"><gml:timePosition>2025-12-28T01:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.40189ec4-cb3d-4e76-a76d-bdf5d43bb62d"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.14e90d84-5fe6-4643-8352-0475a1ab2d5b"><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.476fa143-412f-4977-94f3-c0cad356575d" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.884 -91.567 14.817 -91.650 14.733 -91.567 14.733 -91.533 14.884 -91.567</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]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.cfb59bb7-34ad-4f33-bf0f-ffe1cfb366bf" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.8c241f83-4f10-47f6-909b-94a802ba66ee"><gml:timePosition>2025-12-28T07:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.0bdbe99f-d476-46dc-b91a-c87c9aa4c418"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.61abd28c-4f61-4387-bd50-a27841fa8a6d"><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.570be2dd-ffeb-47b2-a8f5-39a633a4c67d" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">15.033 -91.583 14.967 -91.733 14.733 -91.550 14.750 -91.533 15.033 -91.583</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.8c962d4c-d021-4760-809d-219f62db351b" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.312f6b4a-cc14-4c24-93ce-11fb6229877d"><gml:timePosition>2025-12-28T13:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.a859fea3-f6ff-4b56-ba29-cd82e3d335b9" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.72746113-46b0-47e2-a51d-79f34c51397d"><gml:timePosition>2025-12-28T19:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA NOT OBS ON STLT DUE TO WX CLDS. CLEARING ON WEBCAM SUG VA EMS CONT. NWP MDLS SUG NW VA MVMT THRU T+6, THO FCST AND PSN CONF LOW DUE TO LGT WINDS. ...EVANS</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.c9aa3cc4-9ec3-4cb4-b9da-c3ea56375f69"><gml:timePosition indeterminatePosition="before">2025-12-28T07:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES280132_C_KNES_20251228013443.xml</bulletinIdentifier></MeteorologicalBulletin>