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<MeteorologicalBulletin gml:id="uuid.aed96541-079c-4739-aad9-55036b41482f" 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.4f401138-cb9b-458e-8daf-c387c472c411" 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.3cde12f2-22ff-4870-8cf6-82992ccb3048"><gml:timePosition>2025-09-08T19:13:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.34175507-e4c8-4d8e-bc60-ada27ac6ad8d" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.a31a22bc-92ae-4a1d-b3fd-38b810c73528"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.081ebe07-ea71-4c7d-a5a7-99d2be22a0f0" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.cbce778b-5736-4aca-a35c-b21f0305c80a" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2025-09-08T19:13:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2025/636</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>PSBL LGT VA EM</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.5f2a0c4d-32bf-4067-a6c2-f4733c5d6113" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.ff352fb5-1d2d-4638-8f2c-34e6837d8a1b"><gml:timePosition>2025-09-08T18:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.8f1e0a31-5539-404e-88bf-77940aa944e1"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.2faf80f2-b2c7-42e8-85c6-7c813c05bf85"><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.5d0d0079-34d4-4103-8ed3-920f8b628234" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.767 -91.533 14.633 -91.917 14.517 -91.817 14.733 -91.533 14.767 -91.533</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">225</directionOfMotion><speedOfMotion uom="[kn_i]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.cf39f689-3b73-40c8-9f50-d45b8d65808e" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.da81d0f6-d492-47cc-ae8e-3ba125fc3a9e"><gml:timePosition>2025-09-09T00:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.528bae61-e815-4fdc-84ba-f7c3a7b17cd4"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.9c6bf3d1-5ffd-41ad-b9ec-f64a67f4ab8f"><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.33a5b580-fd60-438d-af6a-8f7248ab3232" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.767 -91.533 14.767 -91.984 14.633 -91.967 14.733 -91.533 14.767 -91.533</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.ddae7a3a-6c4e-4f2e-8ef7-becd625b22a0" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.69050f15-f818-4b42-9535-18f5eae1498b"><gml:timePosition>2025-09-09T06:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.98948aab-d75c-48ca-aa5d-5e399b07803c" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.e1f6d4c3-4b3f-489d-83ad-1b226b67f63e"><gml:timePosition>2025-09-09T12:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA NOT SEEN IN STLT IMG OR WEBCAM DUE TO MET CLD CVR. EXP WSW TO W MOVNT THRU T+6 HRS. PRSNT VA AND FL BSD ON PST ACT. FCST BSD ON NWP MDLS. ...LINER</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.6fd8eaae-50ef-48cd-bcff-80cbb2b7b2ed"><gml:timePosition indeterminatePosition="before">2025-09-09T01:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX26KNES081913_C_KNES_20250908191908.xml</bulletinIdentifier></MeteorologicalBulletin>