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<MeteorologicalBulletin gml:id="uuid.43e668e4-8afb-41ad-9efc-affbdbca671d" 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.5f466bbb-ce6e-409e-ada2-6aadae979580" 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.35df6cb3-b532-43b2-9668-d2b7c704d9c5"><gml:timePosition>2026-01-31T14:08:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.1d5c319e-4fde-404f-9eef-5d6d39dbc437" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.80b6de8b-4800-4802-8311-292e804c69db"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.ae179911-46e4-49dd-8530-29153f8580c1" xmlns="http://def.wmo.int/metce/2013"><name>POPOCATEPETL 341090</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.06ae4990-8f69-4826-9c11-e76f7e9f27ac" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>19.017 -98.617</gml:pos></gml:Point></position><eruptionDate>2026-01-31T14:08:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>MEXICO</stateOrRegion><summitElevation uom="[ft_i]">17693</summitElevation><advisoryNumber>2026/053</advisoryNumber><informationSource>GOES-19. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>PSBL VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.fb2d5596-58dc-4818-8bcc-2b63ceb600e6" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.32b6b52e-5409-4af0-97fa-4f32e982b6e3"><gml:timePosition>2026-01-31T13:56:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.0518cb8f-521a-4784-b0e8-e9b929728f82"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.e038ff11-d485-4543-a319-e326db66c91f"><aixm:upperLimit uom="FL">190</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.49a44d07-d979-40ff-b7d1-f5e70b0a84d3" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">19.067 -98.617 19.017 -98.650 18.650 -98.333 18.850 -98.167 19.067 -98.617</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">135</directionOfMotion><speedOfMotion uom="[kn_i]">30</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.01d43b90-65af-4339-9d89-8dfb8a0b18cd" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.2e107135-7695-4f65-8f9b-9ae614c7b7fa"><gml:timePosition>2026-01-31T20:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.98add30c-ff9f-4f80-a5e4-0a182248a637"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.b9ed0e63-6681-40cb-9d67-d71a9a72ebd3"><aixm:upperLimit uom="FL">190</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.4031cc50-3c64-486b-8a34-bed8e8d25a02" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">19.067 -98.617 18.984 -98.633 18.267 -97.633 18.550 -97.467 19.067 -98.617</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.26b8e16b-01df-4aa9-86c4-2560db36b078" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.e4a2f42c-ce2a-4f12-8b8c-46e51a27d960"><gml:timePosition>2026-02-01T02:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.c31c5140-8960-4b45-ba2f-13d3af7d0964" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.a3c7b5a6-306f-49d4-9eab-5a8820267209"><gml:timePosition>2026-02-01T08:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA NOT OBS ON STLT DUE TO WX CLDS BUT PSBL LGT VA EMS OBS IN WEBCAM IN CLD BRKS. NWP MDLS SUG SE MVMT WITH LTLCG THRU T+6. ...EVANS</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.82ee42d9-2166-4537-bcee-a5e570d51ea0"><gml:timePosition indeterminatePosition="before">2026-01-31T20:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES311408_C_KNES_20260131141008.xml</bulletinIdentifier></MeteorologicalBulletin>