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<MeteorologicalBulletin gml:id="uuid.8d7a5599-b5b5-43a0-9b8a-72834eb19e6f" 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.fdd1f874-6ec9-4e2f-ba77-7e6a76f1af55" 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.6363cdf1-c198-4d89-a2e2-ba676ca92002"><gml:timePosition>2025-09-27T23:09:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.e375572c-aad1-49f3-8cb9-e67f11df1d67" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.ad5935da-3c4f-4ced-86a7-daf16350732f"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.00a9d371-0d12-46b3-b1c2-c7e8476d784a" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.15480cd4-234c-4b4f-8d67-bb3bb20b9d5f" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2025-09-27T23:09:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2025/657</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>PSBL VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.c8cdc96f-98c7-4427-ac08-2fb6d53444dc" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.3dbef7fa-4943-4c91-acdb-4481871a0895"><gml:timePosition>2025-09-27T22:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.bf39501a-3267-49ae-b44e-84655a50ab97"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.a99f5469-0e9a-4b52-9748-434cfbf5fec6"><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.6a68ba89-bebb-490d-8e57-0163c969a117" 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 -91.550 14.683 -91.717 14.617 -91.633 14.750 -91.533 14.767 -91.550</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.8a27291e-7463-427b-915b-a1ed945f0c81" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.89ae08ee-56aa-4011-8049-02a0e3d6e17b"><gml:timePosition>2025-09-28T04:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.94edef7d-a34d-4c34-8917-97e5e5a48c20"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.25250d4c-c63c-4105-83b8-198e25400b1a"><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.7c315c0e-4eb8-4b63-b6a0-3c4658fe5a15" 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 -91.550 14.717 -91.717 14.633 -91.667 14.750 -91.533 14.767 -91.550</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.20fc9d39-75c8-4dc8-9c77-0ec4ac78ade0" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.080d62f4-3b05-4b97-b0cf-49c10c4d2c35"><gml:timePosition>2025-09-28T10:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.26d635a4-70ce-4096-8941-f0aa078c7e61" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.d8992572-910b-4c90-bee5-c8570fc1eec9"><gml:timePosition>2025-09-28T16:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA NOT VISIBLE IN STLT IMG LIKELY DUE TO HEAVY MET CLD CVR. VA EMS MAY CONT. MDL GUIDANCE SUGGESTS SW MVMT FM SUMMIT THRU T+6. ...GATLING</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.6df0b6b5-9f33-4c97-892b-7b41e325cd92"><gml:timePosition indeterminatePosition="before">2025-09-28T05:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES272309_C_KNES_20250927231012.xml</bulletinIdentifier></MeteorologicalBulletin>