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<MeteorologicalBulletin gml:id="uuid.3d56f335-ce58-4cfe-8245-e5030580420b" 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.cd109cd3-3c5b-4970-a1fb-e9feea3930ed" 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.7adac902-4899-43b1-b3eb-ec006e3f2019"><gml:timePosition>2026-08-11T08:09:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.4d00167f-560b-4f27-9366-a3de3f850dd0" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.a1686cdc-e96a-42a6-b4c0-8d24e347ee87"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.aecb8aea-e803-483c-8121-39f3aec12a00" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.d3b29eb8-f50c-4d62-8fc8-8a3792b9d237" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2026-08-11T08:09:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2026/466</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS OBS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.2c6cf09e-fc23-4639-993f-cd244fd96707" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.0f1902fd-cc8b-45a4-83ca-406c2b76abf9"><gml:timePosition>2026-08-11T07:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.ab4872a7-774d-4d99-8052-58cc3f615ae9"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.6ccff8ea-d523-49d7-a452-a3488151b42d"><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.2f3db9c9-f1b4-473d-b24d-5d1f91bed741" 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 -91.667 14.733 -91.667 14.733 -91.550 14.783 -91.550 14.800 -91.667</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.19785ddb-4c8a-4ea3-abba-8837a459bfc1" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.f7adb8e8-5cd1-4c4c-b12c-f5a66d15871a"><gml:timePosition>2026-08-11T13:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.28c61b0f-8a12-4a68-83fd-25906179bd1c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.2fd10ec0-12c0-449f-a086-c0b80ef28f1e"><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.f02d3b54-fa28-4915-b245-96622c4ebf91" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.984 -91.867 14.884 -91.917 14.717 -91.550 14.783 -91.533 14.984 -91.867</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.43285149-e498-4823-a603-501a70ee496c" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.e4579f46-bf04-4d96-8270-d8120e7d23a6"><gml:timePosition>2026-08-11T19:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.b4e8690f-62fb-4817-afc6-231677a1ec22"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.1e49bc2b-5488-4ab5-8a36-3362e0694da9"><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.e9acab36-a39f-4c44-930f-d85873b7c38c" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.900 -91.850 14.817 -91.884 14.717 -91.533 14.783 -91.533 14.900 -91.850</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.2662eb11-6fca-4e5d-8c2d-1d13c95e4f55" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.910d3679-718c-47d1-9742-d98d3dbffe86"><gml:timePosition>2026-08-12T01:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.e28f518f-cf97-4b58-bd4c-0ca28393044d"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.bccfb090-ad3a-4ca0-91a7-8cf9b10ae241"><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.682914ab-aa77-416b-a6b0-f51240bd2bc4" 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 14.783 -91.900 14.717 -91.533 14.783 -91.533 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 LKLY OBS THRU MET CLD UP TO APPRX 7NM FM SUMMIT. VA EMS SEEN IN WEBCAM. NWP MDL GUIDANCE FCSTS GEN NW TO WNW MOVMT THRU T+18. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.42531260-7e61-4644-90c0-a82cafb053ce"><gml:timePosition indeterminatePosition="before">2026-08-11T14:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES110809_C_KNES_20260811081007.xml</bulletinIdentifier></MeteorologicalBulletin>