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<MeteorologicalBulletin gml:id="uuid.4837a173-5a09-4977-9d81-9bd33d1061a8" 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.fff1728d-0692-4ec8-92fb-76312f95e36a" 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.7684c8aa-1192-4a16-993c-342c4e23cac2"><gml:timePosition>2025-08-05T05:41:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.95441ed5-2a93-495c-8fb5-456c941e9cae" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.fcad5bb1-0415-4066-8a95-6426ff13b270"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.2786762d-1b85-4a5d-befb-0afbb5f0f7bd" xmlns="http://def.wmo.int/metce/2013"><name>SANGAY 352090</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.c32eb652-46e7-46ed-bf24-67a345cb177f" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-2.000 -78.333</gml:pos></gml:Point></position><eruptionDate>2025-08-05T05:41:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">17342</summitElevation><advisoryNumber>2025/531</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>ONGOING VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.77ca387e-0a3c-4380-a8a4-45434caebf70" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.12c34d91-dd96-4e8d-a9dc-7fe542261994"><gml:timePosition>2025-08-05T05:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.cdf4f548-5033-4624-b20b-a6977be3ae6c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.c8ee17ee-e189-4a4b-a437-d6a9ae7a9603"><aixm:upperLimit uom="FL">200</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.eb64a23b-b05b-4716-a5e5-1f5ea7a3e12d" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-1.934 -78.633 -2.033 -78.633 -2.017 -78.333 -1.984 -78.333 -1.934 -78.633</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.a1c06d3b-7362-46d9-86ca-61fab3b546ba" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.6770bbc9-847b-48b4-9a1e-d1f78d851617"><gml:timePosition>2025-08-05T11:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.db6d4ecb-69ee-4740-b876-9280f2dff9e8"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.68ee6df4-208d-44b7-a162-283fdcbe0cbd"><aixm:upperLimit uom="FL">200</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.8f9d3952-a939-432f-a57e-7dec6b5d6338" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-1.934 -78.633 -2.033 -78.633 -2.017 -78.333 -2.000 -78.333 -1.934 -78.633</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.87ab99dc-6253-4fdb-8a59-b16dc7cde726" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.2f052dfc-07ce-40c7-9e08-4845122c60a4"><gml:timePosition>2025-08-05T17:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.f75c7a1c-c2b9-4f38-b880-033c1d3b7576"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.af706787-877d-4d0a-af76-c9da42d5ab92"><aixm:upperLimit uom="FL">200</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.131a7a33-8e3c-4e32-8280-361f43d6f736" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-1.934 -78.633 -2.033 -78.633 -2.017 -78.367 -2.000 -78.333 -1.934 -78.633</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.2c035de7-daac-45bb-8041-dd6ba541bff2" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.d3ff6b6a-e722-4593-948f-d1e6f54aff20"><gml:timePosition>2025-08-05T23:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA NOT DETECTED ON STLT DUE TO WX CLDS IN SUMMIT AREA. VA EMS LIKELY CONTINUE GIVEN RECENT ACTVTY. NO CHG FCST TO MDL WINDS AT FL NXT 12 HR. ...KONON</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.25ce1e6c-5933-4ea1-ada1-d5456c1351c1"><gml:timePosition indeterminatePosition="before">2025-08-05T12:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES050541_C_KNES_20250805054230.xml</bulletinIdentifier></MeteorologicalBulletin>