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<MeteorologicalBulletin gml:id="uuid.bb42c6a4-1005-4f2f-9858-bde94bc0fb36" 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.67fb7bc7-27d1-413d-bb85-294e88b5347e" 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.da0d5433-e636-45d8-853f-a9c3defd4864"><gml:timePosition>2026-08-04T05:34:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.afa3b099-aa80-4972-98f5-d35742434382" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.5a5c3b9e-50e6-4c36-97f5-2995c7cf1ea2"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.71e9876c-5bdf-46b0-b786-06e606348a82" xmlns="http://def.wmo.int/metce/2013"><name>PURACE 351060</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.9263baf8-e48d-4888-8a69-2e757ee55be7" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>2.317 -76.400</gml:pos></gml:Point></position><eruptionDate>2026-08-04T05:34:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>COLOMBIA</stateOrRegion><summitElevation uom="[ft_i]">15256</summitElevation><advisoryNumber>2026/353</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>ONGOING VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.25cb07a7-a429-4627-9dfe-47db11a78ae1" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.2fbe9cc3-6be6-488b-9429-58ea9ce83a84"><gml:timePosition>2026-08-04T05:10:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.c1443fb0-abc8-4029-b050-2406abb90641"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.56993efe-97e3-4568-83f4-3e77bbec00d4"><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.d82351bb-8981-44c5-8eeb-9564fb935c18" srsDimension="2" 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gml:id="uuid.a468de89-565f-4d60-911d-deddf8aa793a"><gml:timePosition>2026-08-04T17:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.1be4f02a-3cc8-46ac-8412-4af9303d254f"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.9d4f4dfc-e57b-4815-b6e1-16e54b4434e3"><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.55184a96-b6f3-4479-8a2c-27b0c07a9262" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">2.467 -76.717 2.317 -76.717 2.317 -76.400 2.333 -76.400 2.467 -76.717</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.e17b9f43-d318-428e-9880-34973021ac13" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.275d7c1d-eb67-471c-ae13-467910f28f5d"><gml:timePosition>2026-08-04T23:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.ae754817-981a-455e-8d87-7703e4565618"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.8c614ca9-ad47-4915-9f26-ec983b4164e3"><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.bac2d739-ea7a-4dd1-8352-ca9819e2d3af" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">2.467 -76.733 2.317 -76.717 2.317 -76.383 2.333 -76.417 2.467 -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 DETECTED ON STLT MOVG NW OF SUMMIT. MDL WINDS AT FL FCST TO BACK BY T+12 HR BECMG MORE FM TEH E. ...KONON</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.fab0d40b-c4ec-4069-9810-442d03cf8fc0"><gml:timePosition indeterminatePosition="before">2026-08-04T11:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES040534_C_KNES_20260804053615.xml</bulletinIdentifier></MeteorologicalBulletin>