<?xml version='1.0' encoding='UTF-8'?>
<MeteorologicalBulletin gml:id="uuid.95d6b13a-e3c5-45f2-a155-402155bf02c7" 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.f8da6431-ebcd-4fa8-a56c-5251a59e209c" 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.9912d0eb-71c3-4124-b0f8-5ad100da4f07"><gml:timePosition>2026-08-18T05:09:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.4427c580-7244-4a1f-9097-9103a6515324" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.03f53eb7-e931-4a22-977e-092a8a67e2a5"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.5dabe64c-20a8-449c-a574-cfad356d058e" xmlns="http://def.wmo.int/metce/2013"><name>PURACE 351060</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.ad3f0b34-4131-4dd9-aa87-31227d5e19f1" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>2.317 -76.400</gml:pos></gml:Point></position><eruptionDate>2026-08-18T05:09:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COLOMBIA</stateOrRegion><summitElevation uom="[ft_i]">15256</summitElevation><advisoryNumber>2026/411</advisoryNumber><informationSource>GOES-19. VONA. NWP MODELS. SERVICIO GEOLOGICO COLOMBIANO.</informationSource><eruptionDetails>CONTG OCNL VA EMS WITH RECENT VONA</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.d3143330-29ca-4367-a179-20f9de042c05" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.32b137ad-b2cd-4880-955c-03f691ca01ab"><gml:timePosition>2026-08-18T04:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.8e03df79-839a-4739-9bef-383040828389"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.e0ac30da-9a56-4e84-957e-fb13458649b1"><aixm:upperLimit uom="FL">180</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.93882704-1322-4ba9-973f-1a079edf7f92" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">2.417 -76.717 2.300 -76.717 2.317 -76.400 2.333 -76.383 2.417 -76.717</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]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.f675c9ab-250e-406e-a02b-710250a5c552" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.5078958e-4a95-4c59-af7e-2668508f4aa1"><gml:timePosition>2026-08-18T11:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.80e92647-b280-4ff4-ac3b-4662022b12ea"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.772f4187-ad00-4b54-b54b-d623c7c45688"><aixm:upperLimit uom="FL">180</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.1df3d737-7e9b-4236-b5b3-ba4f466f7209" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">2.433 -76.733 2.283 -76.733 2.317 -76.383 2.333 -76.400 2.433 -76.733</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.63f15c7b-208b-4fad-b746-8251f670d8b4" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.b49e5114-13c1-4609-a108-77f03d88c9a5"><gml:timePosition>2026-08-18T17:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.f3f33c01-79a2-496b-8b4a-34a8e842baf2"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.ef18dc08-69eb-4408-ba93-0370b18b1b69"><aixm:upperLimit uom="FL">180</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.4c48c908-1922-4683-8350-dff7bc1c3b72" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">2.383 -76.733 2.233 -76.733 2.317 -76.383 2.350 -76.400 2.383 -76.733</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.ce4beb3a-d042-40c5-b0cf-1630f0435ee2" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.fe436b11-44b9-4c55-ad0f-46a34fb28cc9"><gml:timePosition>2026-08-18T23:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.62318017-dfb4-4432-8674-327d5b1f36d0"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.121b7dc9-4291-44f3-878a-9ff0d9246ee8"><aixm:upperLimit uom="FL">180</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.89110671-0a07-4a92-955e-92ac27ec304b" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">2.417 -76.733 2.233 -76.733 2.317 -76.383 2.333 -76.383 2.417 -76.733</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA NOT OBS IN SAT DUE TO MET CLD OBSCN OF SUMMIT AREA. RECENT VONA RPTS VA EM TO FL180 MOV WNW FM SUMMIT. OBS VA AREA ESTD FM NWP MDLS AND VONA. LTLCG FCST IN FL MVMT THRU T+18 HRS. ...CLARK</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.885e9463-8f1e-4bca-b317-6d004c2096c7"><gml:timePosition indeterminatePosition="before">2026-08-18T11:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES180509_C_KNES_20260818051037.xml</bulletinIdentifier></MeteorologicalBulletin>