<?xml version='1.0' encoding='UTF-8'?>
<MeteorologicalBulletin gml:id="uuid.d10765b0-90f3-4987-973d-0e3bc40803bf" 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.fdefd562-f257-4744-814b-3d07a5bb7090" 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.97e2cdb7-8006-4f20-aec6-79667eb56a9f"><gml:timePosition>2021-12-17T17:33:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.9e8e019a-dfc6-4dab-9f0d-1c7e7824f99f" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.1e1d78ff-6160-41c3-84c0-e7b3c5f97acd"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.183177dc-b7aa-4cb9-a7ef-346b22861ca4" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.0f916b71-1087-4f36-8511-7d4a603eea26" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2021-12-17T17:33:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12375</summitElevation><advisoryNumber>2021/029</advisoryNumber><informationSource>GOES-16. NWP MODELS. VOLCAT.</informationSource><eruptionDetails>OCNL VA CLDS OBS IN STLT IMAGERY</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.8818364a-1139-45a8-b28a-95a8834ae958" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.0c219caf-9359-4a70-8058-60e1174045f0"><gml:timePosition>2021-12-17T17:10:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.cff53e19-7cd2-4abf-84c4-b9c77e3f6b0b"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.b996c18c-9907-4819-9a4b-ee0219bc861e"><aixm:upperLimit uom="FL">150</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.0e80abe5-bfb2-412f-82d6-a36319c986d6" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.834 -91.783 14.683 -91.800 14.717 -91.533 14.783 -91.550 14.834 -91.783</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]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.f79f4035-d8b7-4a67-822d-4f9681fb92a0" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.49cae1a9-0319-4a2c-bc50-3227000af8de"><gml:timePosition>2021-12-17T23:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.ba834f45-772d-48b9-ab2d-ae6fe8a9f4cc"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.f6da6355-c625-4920-8af0-d7cd7f0e7792"><aixm:upperLimit uom="FL">150</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.fe63d0df-fb59-4bf1-aa81-8d15d887943e" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.884 -91.867 14.650 -91.867 14.700 -91.533 14.783 -91.533 14.884 -91.867</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.0d84b363-1cd3-4a2e-80da-67e398ba3d17" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.3d633100-f2be-4d53-a2b1-39cade333e57"><gml:timePosition>2021-12-18T05:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.b9c6ea17-dcde-49ba-a975-ceefe77332d4" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.b85fe433-ba85-4caf-907c-ddacb7c4bde1"><gml:timePosition>2021-12-18T11:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>OCNL VA CLDS OBS IN STLT MOVG W FM SUMMIT. LOW CONF WITH VAA FCST DUE TO WX CLDS AND LGT WINDS. VA DIR/HGT FM PREV VAA, STLT, AND NWP MDLS SHOWS CONT W-LY MOVMT THRU T+6. ...SAMBUCCI</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.87279f6b-a72f-4581-97d8-b181614df234"><gml:timePosition indeterminatePosition="before">2021-12-17T23:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX24KNES171733_C_KNES_20211217173448.xml</bulletinIdentifier></MeteorologicalBulletin>