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<MeteorologicalBulletin gml:id="uuid.706c2525-d856-4047-b443-c6edc1af9e99" 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.829891ef-08f6-4c14-8873-c92c4c407b5a" 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.30b8c2d2-62c9-49af-87db-98ef5853159d"><gml:timePosition>2023-04-02T12:33:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.80b6c263-8ae7-4416-b785-f97de35d372c" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.b08bbe85-d408-48cb-9636-a134ba96d87c"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.9c3f06ab-375d-481e-b076-6ad5d0d71c06" xmlns="http://def.wmo.int/metce/2013"><name>COTOPAXI 352050</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.af444b2f-4910-4d23-8a1d-63c0d4b93abf" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>-0.683 -78.433</gml:pos></gml:Point></position><eruptionDate>2023-04-02T12:33:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>ECUADOR</stateOrRegion><summitElevation uom="[ft_i]">19393</summitElevation><advisoryNumber>2023/157</advisoryNumber><informationSource>VONA. NWP MODELS. GEOPHYSICAL INST.</informationSource><eruptionDetails>VA EMS OBSD</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.0dfba4d2-1e42-4378-9f49-89b9f2f734c0" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.d96ee67c-156f-4a78-b49b-cc8e296cbd97"><gml:timePosition>2023-04-02T12:10:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.4be28189-324c-4630-b3e1-4769f2d9346c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.b20c36ed-1ce4-45f7-b65a-a9923eeffdce"><aixm:upperLimit uom="FL">210</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.8ce38746-ca18-45a7-b667-bcdce1255855" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="7">-0.600 -78.783 -0.700 -79.017 -0.850 -79.000 -0.867 -78.750 -0.717 -78.417 -0.650 -78.433 -0.600 -78.783</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.5d90f567-0f1f-434b-8652-2de6b10d7b82" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.af156b5f-ac0c-4d2a-9088-f8dc25ea068f"><gml:timePosition>2023-04-02T18:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.cd6ef7c5-e7e4-4108-b3a9-b1f5fcd6932c"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.dbdc8dcd-d89b-4994-846b-5ab126aba1bb"><aixm:upperLimit uom="FL">210</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.900bcf2c-ec00-4dc3-add5-2dd0110d5495" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-0.667 -78.433 -0.683 -79.200 -1.017 -79.133 -0.700 -78.417 -0.667 -78.433</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.b2431635-e64f-4128-9f16-7c3ade505ff9" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.8c59e0ce-ab12-417a-b02c-f73f3c21fe50"><gml:timePosition>2023-04-03T00:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.f70f3fba-b3a5-4580-be28-8e94be5c1584" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.d4a8266a-5f31-4e04-b1b4-241499cf8e5c"><gml:timePosition>2023-04-03T06:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBSD IN SAT AND VA CLDS EXTD APPX 30NMI W FM SUMMIT. VONA RECEIVED. VA FL BASED ON RPRT. NWP MDL FCST SLIGHTLY BACKING THRU T+6HRS. ...ZENG</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.3b78f191-a64a-478f-b190-3475161c1134"><gml:timePosition indeterminatePosition="before">2023-04-02T18:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX22KNES021233_C_KNES_20230402123441.xml</bulletinIdentifier></MeteorologicalBulletin>