<?xml version='1.0' encoding='UTF-8'?>
<MeteorologicalBulletin gml:id="uuid.960a0091-997b-4c2d-8b35-8212273c2f35" 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.8d6953a3-8239-4b56-93f5-3fd2c5c5df82" 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.48fed63e-612c-489a-8496-e5133e542a7e"><gml:timePosition>2021-12-17T13:22:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.da42d4e4-975f-4668-a071-a4a929559197" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.f3201c43-8514-40bc-9f2c-02cc30f26b54"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.f75a1afb-cc6c-4d14-b648-556e59c61882" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.3118dcec-187b-4297-ba71-dd3a37854cac" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2021-12-17T13:22:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12375</summitElevation><advisoryNumber>2021/028</advisoryNumber><informationSource>GOES-16. WEBCAM. NWP MODELS. VOLCAT.</informationSource><eruptionDetails>VA EMS OBS IN STLT IMAGERY</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.de7b2f56-f349-42e1-9c03-7bf1b4a0781c" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.203b0c9c-b3ff-415e-ab59-bc7a21b14385"><gml:timePosition>2021-12-17T13:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.7da23f49-c194-489a-97a2-9ccae0c364c0"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.a8133482-df94-476a-8707-ba4b360e76aa"><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.bb009ed5-7547-4542-aefa-e0202dadf21c" 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 -91.900 14.567 -91.884 14.683 -91.533 14.783 -91.567 14.834 -91.900</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.d051561c-6dea-4a37-b20d-0f7f1d0de9be" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.1f118660-097b-42fa-8a34-5faa4c646f2b"><gml:timePosition>2021-12-17T19:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.1cce8088-344a-483e-b5c4-67f487f293a2"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.7c65999c-38a2-4f68-8dbf-48cfb8a06439"><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.1d27e312-080c-4531-bab9-d19dbf3064da" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.867 -91.967 14.550 -91.967 14.700 -91.533 14.783 -91.550 14.867 -91.967</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.1a5282f7-2d2e-49ac-942f-09619ec2e29c" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.88bbaef2-96c9-4f1e-a02e-0a2e242f55b7"><gml:timePosition>2021-12-18T01:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.b7989c0b-a4f2-433f-b913-95e70c5c0d00"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.86c81f42-e551-43e6-a014-1f1f9b2051d8"><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.52e115a4-a749-4d74-9c16-6adb8f641fac" 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 -91.950 14.567 -91.967 14.700 -91.550 14.783 -91.533 14.884 -91.950</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.7e5285e0-daef-404f-8df3-cf3c52dc1a4d" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.82510e4b-684f-4c65-a6d2-17cd9391d97e"><gml:timePosition>2021-12-18T07:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBS IN STLT MOVG W FM SUMMIT. LOW CONF WITH VAA FCST DUE TO LGT WINDS OVER REGION. VA DIR/HGT FM PREV VAA, STLT, AND NWP MDLS SHOWS CONT W-LY MOVMT THRU T+12. ...SAMBUCCI</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.680bf494-8fa3-436a-ac71-dc6252ce3e11"><gml:timePosition indeterminatePosition="before">2021-12-17T19:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX24KNES171322_C_KNES_20211217132346.xml</bulletinIdentifier></MeteorologicalBulletin>