<?xml version='1.0' encoding='UTF-8'?>
<MeteorologicalBulletin gml:id="uuid.6e26852f-9cab-4929-9a6c-0e48a4e693f9" 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.ff63e533-aef7-4aed-9e1f-aa1798810f91" 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.5ec9252c-87c4-4bcb-b9fe-b28d7876e44b"><gml:timePosition>2026-07-29T21:54:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.9d68f986-84ce-419e-963b-270b52100cde" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.bfc49701-45ea-4bea-b697-3a9340292e90"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.b911ff42-f3bb-4154-962d-14bddddb0f53" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.3e0bc275-76cd-48c5-b11a-efd7c0c602d9" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2026-07-29T21:54:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2026/429</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VA EMS PSBL</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.74790dcb-3c7b-42f7-b0e1-427eedc52692" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.a53e2b92-ab04-4cd2-82ac-6febe1e9f969"><gml:timePosition>2026-07-29T21:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.5cdbd6af-cad7-4bab-9d93-976ca7df1dc7"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.ab06b305-09ae-4aac-8ea6-3f9ce86ed515"><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.0eabbb0b-5916-4fd8-be1a-8a76ef2d9d96" 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 -91.650 14.717 -91.633 14.733 -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.3109f6e6-0686-437a-b423-c246a8e29df7" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.ea8a8aae-3dfd-4802-9ecf-3450d012e755"><gml:timePosition>2026-07-30T03:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.df4debce-46cc-4f88-8834-81f2d460d377"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.4030c68e-70d5-42d0-977c-586df922c6d5"><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.11af64fa-a139-43a7-8461-31dfa681c8f1" 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 -91.733 14.733 -91.750 14.733 -91.533 14.767 -91.550 14.800 -91.733</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.6a1c0a8b-5e46-46d7-b8ba-624d0c1a0fda" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.f23a565d-9ae1-4f8a-9121-b25f27b74d50"><gml:timePosition>2026-07-30T09:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.ae47b9ff-bb16-44d5-a637-fd9bfa8b4553"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.4d6ea9aa-4ea2-43d5-857b-dd0038b1afb7"><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.7e097d00-692c-43eb-96b3-3e40f97561e3" 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 -91.683 14.783 -91.700 14.733 -91.550 14.767 -91.533 14.834 -91.683</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.f758d7a9-6184-4731-8fee-5daf9b061718" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.9a7519f6-5d19-49f5-b565-f3fa20defd8a"><gml:timePosition>2026-07-30T15:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS NOT OBS IN STLT IMG OR WEBCAM DUE TO HVY MET CLD CVR. VA EMS PSBLY CONTNG BASED ON PREV ACTIVITY. NWP MDL GUIDANCE FCSTS VEERING MOVMT TO THE NW BY T+12. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.672f08e5-e34f-420c-bd6e-21931ac4c32e"><gml:timePosition indeterminatePosition="before">2026-07-30T04:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES292154_C_KNES_20260729215636.xml</bulletinIdentifier></MeteorologicalBulletin>