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<MeteorologicalBulletin gml:id="uuid.35f40d8b-2ae0-4797-a4e5-1f216da63129" 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.30ff43f3-3c59-427d-8f97-81a966025f79" 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.ba924cc6-4b87-485b-82cd-77a0c643f91a"><gml:timePosition>2026-04-19T13:55:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.bcc68604-b222-4f81-9b29-6a2a19937d77" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.5eaf7cc0-0ef5-4a56-a8e6-ac226dc72a95"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.979b88a6-c264-4ada-8341-835faace1a85" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.cd31b8bb-92cf-490c-b794-dc444040ccca" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2026-04-19T13:55:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2026/182</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>VA EMS OBS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.fbf7d64f-b9f4-4d95-9186-355490818cb2" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.154222a7-a748-444c-b3db-355f019c70a1"><gml:timePosition>2026-04-19T13:20:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.4fceb4c0-a89b-4722-bf12-614621b1a550"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.aa6ad547-d9d9-4588-96c4-4d3de35364e7"><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.0dbc4d41-69f2-4fa4-aa18-e421452a857f" 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 -91.533 14.767 -91.767 14.683 -91.750 14.733 -91.533 14.783 -91.533</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.e00a961c-bdb5-4722-8e93-f30b952635ad" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.0aafc081-e3c8-49c2-8ee8-0c454fe0d704"><gml:timePosition>2026-04-19T19:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.726a1561-7074-4ba7-9bb7-89d70143dbdc"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.f30a604b-5d1c-4528-8c2b-3553f5ae904c"><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.6972f079-e60a-497b-9dcf-0d2453ffe048" 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 -91.550 14.633 -91.934 14.483 -91.850 14.733 -91.517 14.783 -91.550</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.26c81e77-285e-434a-b383-2d3c528b829b" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.149a3b98-52be-4c93-a015-932c78fd654d"><gml:timePosition>2026-04-20T01:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.c165f76d-c958-4653-9570-f9eb54a1386b"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.149c313b-2304-459b-90c0-3c5e2ada1926"><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.107602fa-111f-4e7d-94b2-30d29886ac30" 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 -91.533 14.767 -91.950 14.583 -91.934 14.717 -91.517 14.783 -91.533</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.28a7c150-7f4d-4e7e-acdd-4f2030301e28" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.b9e3f88b-2179-42e9-aad7-0a683a8d9432"><gml:timePosition>2026-04-20T07:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBS IN STLT IMG UP TO APPRX 12NM FM SUMMIT. NWP MD GUIDANCE FCSTS GEN SW TO WSW MOVMT THRU T+12. HGT BASED ON MOVMT AND NWP MDLS. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.99ec00f3-c40f-4ad9-9cea-f031ec7e06a5"><gml:timePosition indeterminatePosition="before">2026-04-19T19:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX22KNES191355_C_KNES_20260419135555.xml</bulletinIdentifier></MeteorologicalBulletin>