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<MeteorologicalBulletin gml:id="uuid.9347895a-58a4-40a2-ae0f-974be4dc4052" 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.988b9636-db79-46fc-a8bf-36d3cc1929e5" 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.0de93d11-525a-4df8-aa6a-b7238d4f22da"><gml:timePosition>2026-05-27T21:38:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.10b3526a-dec9-4757-81e4-69f0e058e547" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.1abb1098-ab40-44b9-bd96-5f8d4b33414b"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.d083a1c9-350e-4063-9fbf-ffb56eb71e0a" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.b4f22d0b-8303-43e1-b153-80b0880200c5" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2026-05-27T21:38:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2026/263</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>PSBL VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.d5771ba6-18e6-4d98-b41d-85fb96348fb6" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.a4b695d7-040d-4f08-b990-08aa3587aa96"><gml:timePosition>2026-05-27T21:10:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.5b3438ce-6d36-4cb2-af45-b7f01c1409ea"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.2734b27f-d27a-4b8e-b8eb-7d40f502198e"><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.27c26683-afc0-43ed-b6fe-d41d579098b0" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.834 -91.717 14.767 -91.733 14.750 -91.533 14.767 -91.533 14.834 -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]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.7646c8aa-c240-4274-9e8f-780d3390b089" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.ed64840c-318f-44da-92b5-ee368d97d1ee"><gml:timePosition>2026-05-28T03:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.0359402e-fec0-489d-a90e-3c83445cf0a8"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.99004b80-5d8c-4183-b5d8-94c7b392bd85"><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.2b1c9188-2000-4c1a-892e-47f506d8222a" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.934 -91.550 14.750 -91.550 14.750 -91.533 14.917 -91.467 14.934 -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.b0b20757-2beb-4345-a58f-26792ef00d98" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.ceb5befe-2521-4c8f-a7f5-665ff9fabbe7"><gml:timePosition>2026-05-28T09:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.1094f110-5f95-4f88-a598-8c818d5eaace"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.a89607d5-3dde-495a-926a-9ea8b8af3d7b"><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.b19b0386-38a5-42b8-bc19-3b6823510331" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.934 -91.517 14.750 -91.550 14.750 -91.533 14.900 -91.433 14.934 -91.517</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.b581fb47-973d-4ad1-903c-a5c9bd233a47" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.abeb23b3-40e8-458b-8055-24160d19147a"><gml:timePosition>2026-05-28T15:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.fcaebed3-8dd0-4ca3-9ad4-1a6ac747a59c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.435be0cc-966d-4b57-906f-3a896d229c83"><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.c389e2e8-45f2-4c64-9ea6-ede770599da2" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.834 -91.383 14.767 -91.550 14.750 -91.533 14.750 -91.367 14.834 -91.383</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA NOT VISIBLE IN STLT IMG DUE TO HEAVY MET CLD CVR. VA EMS LIKELY CONT BASED ON PREV ACT. W MVMT EXP TO SHIFT E BY T+18. FCST BASED ON MDL WINDS. ...GATLING</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.ea013910-99a6-4cc3-bf9a-bbf240050f7c"><gml:timePosition indeterminatePosition="before">2026-05-28T03:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX24KNES272138_C_KNES_20260527213917.xml</bulletinIdentifier></MeteorologicalBulletin>