<?xml version='1.0' encoding='UTF-8'?>
<MeteorologicalBulletin gml:id="uuid.60b9e0aa-9209-40bd-a498-fec0cb580b5f" 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.906ca302-8173-4355-9155-fcfcc52ba506" 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.2c1a1ed3-5063-4674-b88e-95fad93f065f"><gml:timePosition>2026-08-20T22:40:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.d4cbdf16-63a0-4ded-8852-a78a3c7a5182" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.d1171759-b530-428a-b463-bed87d247dd5"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.1fd25481-6edc-4a87-89d2-3cbdba842795" xmlns="http://def.wmo.int/metce/2013"><name>FUEGO 342090</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.ee350a36-64ac-42a6-9c73-dc67ee53f5b8" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.467 -90.867</gml:pos></gml:Point></position><eruptionDate>2026-08-20T22:40:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12346</summitElevation><advisoryNumber>2026/977</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>VA EMS ONGOING</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.3e02c885-8bcc-41d2-8a7c-54f7825eb48e" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.65be17a3-9252-4bf2-adc6-2b90990f90c8"><gml:timePosition>2026-08-20T22:20:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.a90b6aaa-768a-4d14-b3c4-a96466268383"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.99bffac7-f3a0-47c7-a6ef-0edbc76544a9"><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.9abfdd44-9ba8-47de-bc66-e554d636135c" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.467 -90.867 14.450 -91.567 14.317 -91.567 14.467 -90.867 14.467 -90.867</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]">20</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.a649a32b-6b89-4883-b457-abc726b36d0e" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.728d8ad7-d714-4b0b-ad4e-a3396e3b0cd0"><gml:timePosition>2026-08-21T04:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.7b82d7e2-aed7-4fb6-a985-2665930eb832"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.7f40a912-aa8c-42d0-91b9-57d6886f0e72"><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.9bb7c48d-dcf5-429f-9e8a-276e6311457a" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.533 -91.667 14.317 -91.650 14.467 -90.884 14.483 -90.884 14.533 -91.667</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.67c72ab2-0dd7-4056-aeb0-fde50a85d288" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.ff68c32a-0981-4c0d-b343-1782de106a34"><gml:timePosition>2026-08-21T10:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.daeb4235-d0a7-454b-b34a-378afd607cf1"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.4af2bf72-ea8a-4865-9e4f-299b649341aa"><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.a80e0706-30dc-4787-9cab-1107721e0d9f" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.517 -91.450 14.350 -91.433 14.467 -90.884 14.483 -90.884 14.517 -91.450</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.51fb6c70-5f47-4646-9aae-64772debe1eb" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.99bc4b2b-1dcf-49ec-a44a-5109884882bc"><gml:timePosition>2026-08-21T16:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.6b28f524-11b0-40e7-9d62-3dc66618c909"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.141bb6a7-2eae-43fd-8f18-3c71f059500f"><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.068905df-3399-43c5-a9bc-71c05ff0e160" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.517 -91.367 14.367 -91.350 14.467 -90.884 14.467 -90.884 14.517 -91.367</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>THIN VA PLUME DETECTED ON STLT MOVG WSW OF SUMMIT. LTLCHG FCST IN MDL WINDS AT FL NXT 18 HR. ...KONON</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.f222e86c-bf97-462e-bc3f-ffeda9cd4824"><gml:timePosition indeterminatePosition="before">2026-08-21T04:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES202240_C_KNES_20260820224248.xml</bulletinIdentifier></MeteorologicalBulletin>