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<MeteorologicalBulletin gml:id="uuid.6950f2f3-e9d7-4a0d-963d-29a229db4ee1" 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.44eccb16-7688-4b15-956c-43b2459c2020" 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.ba93b522-7c86-4983-8c90-def970f2596d"><gml:timePosition>2025-09-01T13:39:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.94aeb87f-6716-4088-81ca-547d5bd7562a" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.f955fada-b34b-4515-8c4e-e0c43e3f7967"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.7f6611c6-20a4-4df3-b675-308b1627be1a" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.01aa0fe4-0090-48dc-87b6-17fb64939f68" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2025-09-01T13:39:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2025/616</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>VA EMS OBS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.fdf81758-c4cc-4ce8-a79d-d66941bfde70" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.10994a44-4100-46b3-952e-ae432d0442ba"><gml:timePosition>2025-09-01T13:10:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.ebb01c2c-d4e8-4aaf-8cf5-f4358e7005a0"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.56ae1446-00a1-4001-ab75-8a4e7d6d2093"><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.ad3ffd7f-179e-4ef4-8750-44a87692a0e5" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.817 -91.717 14.767 -91.733 14.733 -91.533 14.767 -91.533 14.817 -91.717</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]">15</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.48b26aa4-63ce-47ea-bc78-8a9e798b5725" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.eda51e2d-7554-4347-a6b3-09ebce1b66d8"><gml:timePosition>2025-09-01T19:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.8d98dd73-23eb-4404-a217-367ff6c29eaf"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.b2767530-d395-4ba4-9897-f2836d81144d"><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.93e0299e-db2e-42ca-a810-ed5827ed1f60" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">15.017 -92.117 14.783 -92.183 14.733 -91.550 14.767 -91.533 15.017 -92.117</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.6ae59c23-8125-4bd5-bbd0-fcc59d2e4742" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.7cc03604-cdd6-4b85-b1fa-826ca726e883"><gml:timePosition>2025-09-02T01:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.3e62d218-ea7f-4fd2-a83f-b545da68a193"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.6d8737a1-3f47-4fcb-b609-0ff35181abe1"><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.53b1de37-b993-4608-adfd-bd3edebf4c65" 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 -92.183 14.600 -92.183 14.733 -91.533 14.767 -91.533 14.867 -92.183</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.bc938993-e008-434e-9ec5-90eeda1856b4" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.0a938a9e-0ef0-4436-b147-d587d0547960"><gml:timePosition>2025-09-02T07:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBS IN STLT IMG UP TO APPRX 12NM FRM SUMMIT. NWP MDL GUIDANCE FCSTS WNW WINDS THRU T+6, THEN WSW WIND BY T+12. HGT BASED ON NWP MDLS. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.b2683472-e5c9-4b5f-a15c-a45f83471eb3"><gml:timePosition indeterminatePosition="before">2025-09-01T19:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES011339_C_KNES_20250901134024.xml</bulletinIdentifier></MeteorologicalBulletin>