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<MeteorologicalBulletin gml:id="uuid.773d7d71-1ac6-49bd-bce4-8207d86a797d" 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.42baf6ec-48cf-4276-9e90-0d233f2e1619" 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.3149e113-caf0-42b8-b56c-2a7123063245"><gml:timePosition>2025-10-18T08:00:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.4cb28b81-33a2-456f-b84e-10b623b5e65f" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.85604686-35c2-46c1-94a2-60d611c806ea"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.105cf1a1-7896-4785-a6c4-81f757958a7a" xmlns="http://def.wmo.int/metce/2013"><name>SANTA MARIA 342030</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.fa3de9ad-b4c6-4298-a436-54678265d991" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>14.750 -91.550</gml:pos></gml:Point></position><eruptionDate>2025-10-18T08:00:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>GUATEMALA</stateOrRegion><summitElevation uom="[ft_i]">12287</summitElevation><advisoryNumber>2025/686</advisoryNumber><informationSource>GOES-19. NWP MODELS.</informationSource><eruptionDetails>NEW VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.656c3c9f-3c32-4e06-8bec-902b4abc4102" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.994e1837-d89a-4a25-b6de-dec6b4d9981f"><gml:timePosition>2025-10-18T07:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.aef28c84-d0cd-48a4-8acd-959cf4430802"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.feb4cbec-bada-42cb-9981-18620e0f2dd4"><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.d5164d2b-24f7-4620-81b2-db5cc17b0114" 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 -91.667 14.717 -91.667 14.750 -91.550 14.767 -91.550 14.767 -91.667</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]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.ee030b5c-9ef2-4d6c-90e9-54d25c786e79" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.c4bcccbc-ffa3-4d53-82ac-1147738c21be"><gml:timePosition>2025-10-18T13:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.87302246-0570-4800-82f2-305dad3a7dd7"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.7ebea5b8-99f4-4228-ad82-07184924956f"><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.24757cd7-810b-4f80-b707-5470c9e2984f" 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 -91.884 14.717 -91.884 14.750 -91.550 14.767 -91.550 14.800 -91.884</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.e0269e02-ee55-441c-bb3e-346ebbc85adf" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.8941c962-c1ae-40db-98bc-72e6bf7e6c54"><gml:timePosition>2025-10-18T19:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.63827ae3-7bce-4476-9a6d-04ecdcc314bd" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.c7cc213b-e10a-4123-adb3-7943ba41a5ad"><gml:timePosition>2025-10-19T01:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA PUFF DETECTED ON STLT MOVG WSW OF SUMMIT. MDL WINDS AT FL FCST TO VEER A BIT NXT 6 HR BECMG MORE FM THE E. ...KONON</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.33c38829-976c-4af4-bf52-61582678eceb"><gml:timePosition indeterminatePosition="before">2025-10-18T14:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES180800_C_KNES_20251018080129.xml</bulletinIdentifier></MeteorologicalBulletin>