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<MeteorologicalBulletin gml:id="uuid.90cf6e4e-5d1d-46a2-b3a6-182d288041d1" 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.2539e6df-9aee-4a12-b212-21e8e1977163" 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.1952cc14-c3ac-4de4-ad5e-1e70736913e2"><gml:timePosition>2025-08-16T16:08:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.cc45fbba-9ab0-4836-8222-2627d33c2776" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.51280e7c-e2db-4833-95ee-fbf1a3c688d9"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.f5cd34db-52b1-421a-8f63-431ae3891c05" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.b381fb1b-4aa2-4e4b-85d9-38937d969722" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2025-08-16T16:08:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2025/583</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>INTMT TO OCNL VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.59b7d6ea-180f-4466-820e-a40fa0f6006e" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.2673f5c6-d4d3-402a-aea0-d5e61264fce5"><gml:timePosition>2025-08-16T15:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.b2da0da2-14fd-42c9-903a-9031b8651194"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.93df4744-086d-4dfa-95dd-9f63fe5b49ad"><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.ec2dd91f-9bcf-4947-ac50-4e9d4cf847bf" srsDimension="2" 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gml:id="uuid.c23425b6-4bd2-466d-a2ed-05c98066f7bc"><gml:timePosition>2025-08-17T03:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.0d2a7a0c-4be0-4423-a73c-198840b64b26"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.3049a2f6-9ae6-4862-9c16-ecd464dca790"><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.c8d70d21-2ee6-4646-b56d-7128ce867610" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.767 -91.533 14.683 -92.017 14.533 -91.950 14.750 -91.533 14.767 -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.cafc3856-a0cd-4913-be13-c836c8f3de37" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.69b7a59d-3e08-4741-bfff-e738f8c5ab50"><gml:timePosition>2025-08-17T09:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.d854761a-f2d4-4d8b-917c-6c91354bd912"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.874245f4-e2fb-4dee-969f-9f436f6f21db"><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.95a6f39f-77b0-419c-8c48-bea18eee8cfe" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.850 -92.017 14.683 -92.017 14.750 -91.550 14.767 -91.533 14.850 -92.017</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA SEEN IN SAT MOV WSW FM SUMMIT. MODEL GUIDANCE SHOWS A CONT SW-LY MOV THRU T+18 HRS. MOV AND HGT BASED ON SAT AND NWP. ...KIBLER</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.cc7d8e50-b266-4fcc-9313-21b124050434"><gml:timePosition indeterminatePosition="before">2025-08-16T22:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX22KNES161608_C_KNES_20250816161004.xml</bulletinIdentifier></MeteorologicalBulletin>