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<MeteorologicalBulletin gml:id="uuid.8e5620bb-034d-4f4b-931a-aef626efa384" 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.8ecef1a3-931b-4282-8d27-45722ce2f44d" 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.9718819a-1aa5-4474-826f-780c03b0e2c3"><gml:timePosition>2025-09-03T19:27:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.70a2c818-d55c-496b-91c4-ba6bedf93c24" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.067df37d-bd7c-4881-a11e-ad4c9b350138"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.1b7447c2-f371-4f08-8362-9a4a698c9218" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.140d5851-6607-401c-bdfd-5fc9d5c670a3" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2025-09-03T19:27:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2025/620</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>OCNL VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.149e1545-fd58-4559-be53-53a5727d46eb" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.1e7bc75f-a198-4f96-aa1b-b822b6d70b8f"><gml:timePosition>2025-09-03T19:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.5703a42a-dfe3-4adc-9532-8a99dcea0724"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.c888c825-0300-4cf1-8994-3e702a9c928d"><aixm:upperLimit uom="FL">130</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.32505190-08ff-4ca3-b1ba-3e5dd6db0763" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.800 -91.783 14.667 -91.767 14.750 -91.533 14.767 -91.533 14.800 -91.783</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]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.ae3a8bfd-cdcb-438d-bccc-9882001de336" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.86b5d3ff-bb1f-4612-8af2-007dd5a10be5"><gml:timePosition>2025-09-04T01:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.f374948e-0dc2-425e-a981-3bac33a4a0da"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.333058b2-504b-4020-abe9-3fffd902bf24"><aixm:upperLimit uom="FL">130</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.22f6c3f0-6dfc-4667-bd92-14ad897eefab" 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 14.750 -91.884 14.617 -91.834 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.f8bd80c9-9dac-4db9-9571-db59b33b689c" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.48763e4e-549c-4a5d-9743-f14980e27fb7"><gml:timePosition>2025-09-04T07:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.8e4dd1e4-9321-4c8a-bc91-fc8e764d2d4c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.bb396eaf-d6e1-4b6a-b348-d7ae1c6b0569"><aixm:upperLimit uom="FL">130</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.18d4f4ac-ac52-488b-b091-868656f8b7c5" 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 14.583 -91.834 14.500 -91.717 14.750 -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.81d39f06-abd3-4496-90ee-43583e0d73c9" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.3b765fe6-f30c-4675-9f2a-420c6fd506c4"><gml:timePosition>2025-09-04T13:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.bc834baa-1997-435a-94fd-d7f80feb7bf6"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.ee64203e-92f9-4a3c-95df-bd1c88206edc"><aixm:upperLimit uom="FL">130</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.ed3acd02-44b4-426d-8fbd-479e753116fb" 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 -91.867 14.750 -91.884 14.733 -91.533 14.767 -91.550 14.884 -91.867</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA EMS NOT CRNTLY OBS IN STLT IMG. VA EMS LIKELY CONT BASED ON PREV VOL ACTIVITY. W MVMT FM SUMMIT TO SHIFT SW BY T+12. FCST BASED ON MDL GUIDANCE. ...GATLING</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.8ec04425-362b-40a1-98fa-d9d2a1d0a014"><gml:timePosition indeterminatePosition="before">2025-09-04T01:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX26KNES031927_C_KNES_20250903192830.xml</bulletinIdentifier></MeteorologicalBulletin>