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<MeteorologicalBulletin gml:id="uuid.c3b89bab-ffd6-44f2-abd7-3391dca8e13d" 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.3988329d-a57d-4a9d-b567-e828fb32a592" 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.651e021a-3369-49df-bc8e-e43e77b15e31"><gml:timePosition>2025-03-18T01:16:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.956296bd-42cb-48f7-b571-4b6de19e79a4" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.0bed2b67-85a2-44b5-8f29-8df187858f54"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.d5f07523-ced3-4c97-96c0-399ce6b92817" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.37717856-2f28-4411-b03c-ee20f5bc5beb" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2025-03-18T01:16:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2025/284</advisoryNumber><informationSource>GOES-16. NWP MODELS.</informationSource><eruptionDetails>PSBL VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.1840b863-31ee-4482-9896-534bc0b31f48" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.826d3c5a-1841-4bab-bcd0-858559b4366c"><gml:timePosition>2025-03-18T00:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.0e8969c6-0dbb-4091-aa67-0c0b0e0fdc1b"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.d8faa578-1318-4454-83a6-9975d8f2d6ea"><aixm:upperLimit uom="FL">140</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.dd134d2f-c6d5-4ea1-9a16-612d1cbe376a" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.783 -91.767 14.667 -91.733 14.767 -91.533 14.783 -91.550 14.783 -91.767</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">225</directionOfMotion><speedOfMotion uom="[kn_i]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.f4405292-f3c7-4c08-92da-894f5d029bb8" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.2f042d1b-8ec9-456a-aa26-80f1e77e758c"><gml:timePosition>2025-04-17T07:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.fb1df3ea-cbf2-405a-89fe-7740b0cbe081"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.2ac4a9ec-0ad8-4b2e-b710-9b99dc5469eb"><aixm:upperLimit uom="FL">140</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.f63448df-a52c-4e16-9949-ddbbdb3491ba" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.800 -91.917 14.633 -91.884 14.767 -91.533 14.783 -91.533 14.800 -91.917</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.f6c3ae9d-2cfe-4961-8356-9bc177380ad6" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.40050de2-dc92-4b1b-acfa-8af90bdf7086"><gml:timePosition>2025-04-17T13:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.cfa67495-3f2a-4ac8-afdf-6b7bc1538fa4" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.cba37f78-ef8b-481f-8e8b-c22f270ea35f"><gml:timePosition>2025-04-17T19:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS NOT OBSD IN STLT IMG DUE TO MET CLDS, BUT VA EMS MAY BE OBSCD. LTLCG IN FCST EXP THRU T+6 HRS. MVMT AND HGT BASED ON NWP MDLS. ...BERTALAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.a73db9fc-48a9-4378-a33d-bfdc021ec95d"><gml:timePosition indeterminatePosition="before">2025-03-18T07:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES180116_C_KNES_20250318011904.xml</bulletinIdentifier></MeteorologicalBulletin>