<?xml version='1.0' encoding='UTF-8'?>
<MeteorologicalBulletin gml:id="uuid.09361d75-2cc0-4ed8-b8f2-cbf9547564aa" 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.c62c7365-bc30-4744-bf7f-27d438e1e444" 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.c3211be6-c142-48cc-97a1-b951b16f5ac4"><gml:timePosition>2026-08-20T05:37:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.798d01a4-b818-4c7a-a3cb-77935591a560" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.c1ad46db-64af-45f5-8922-0fa98af9169c"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.6a722b30-8f9c-4cb6-b66a-7b33427a3e00" xmlns="http://def.wmo.int/metce/2013"><name>REVENTADOR 352010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.f72e7ad9-e675-4ca9-98be-5f9aa3a5012d" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.083 -77.650</gml:pos></gml:Point></position><eruptionDate>2026-08-20T05:37:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">11686</summitElevation><advisoryNumber>2026/846</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>PSBL VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.b8e6e063-8973-4780-877e-0dcd6f9dce3d" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.8d18d55a-d17a-4e14-ae2e-0b39995dda28"><gml:timePosition>2026-08-20T05:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.977fa0bd-efdb-4d2c-961e-5e408fcf0a4f"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.e121d4e2-db92-46c5-a482-d27b44a6f352"><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.ff57543e-2d20-421a-acca-c03a27f7724f" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.017 -77.817 -0.033 -77.850 -0.083 -77.667 -0.067 -77.650 0.017 -77.817</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">315</directionOfMotion><speedOfMotion uom="[kn_i]">15</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.0ffcab69-9379-487e-b03b-c9eab7176b17" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.696d53d9-16df-49d2-9a7f-7ea2f8940504"><gml:timePosition>2026-08-20T11:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.3001c8fe-3fb4-49f3-889a-f26876ac973a"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.392bf526-1f7a-4701-92b1-d90f89aaa2cc"><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.89d9b46a-e6c4-47fd-bdc8-268ae1d71343" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.050 -77.867 -0.017 -77.934 -0.083 -77.667 -0.067 -77.650 0.050 -77.867</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.98cb7055-f829-4666-a3f3-7e9937f3b767" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.41366625-26d0-40ce-81e7-eb4840c683fb"><gml:timePosition>2026-08-20T17:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.7da8bd29-0d14-480d-80f5-0443137e8bc8"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.ced2aa85-1025-4efe-a02b-09a4489891a1"><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.89f3ffd0-a68d-4ddb-a3ef-7400eb0e1973" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.067 -77.867 -0.017 -77.934 -0.083 -77.650 -0.067 -77.650 0.067 -77.867</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.1dd7838b-87e0-4745-910f-64da7c732e25" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.1182c44a-3e17-49af-b0ab-3100ca2d33fa"><gml:timePosition>2026-08-20T23:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS NOT VSBL IN STLT IMG PSBLY DUE TO MET CLDS. VA EMS MAY BE OBSCD. LTLCG IN FCST THRU T+12 HRS. MVMT AND HGT BASED ON NWP MDLS. ...BERTALAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.22f1c7f4-a52d-43f5-a649-ac2c59c6c435"><gml:timePosition indeterminatePosition="before">2026-08-20T11:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX22KNES200537_C_KNES_20260820053950.xml</bulletinIdentifier></MeteorologicalBulletin>