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NWP MODELS.</informationSource><eruptionDetails>VA EMS PSBL</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.be902674-cd8e-4fb4-8eab-38568551b086" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.a8b1a414-fcfa-44b0-88ff-60c7a20e67ef"><gml:timePosition>2025-12-17T11:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.9e7f425e-fb48-42d7-8714-8ff0d7cc8789"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.3d068ed9-0975-4f45-b154-a627aa5c99ba"><aixm:upperLimit uom="FL">200</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.172a1d95-d068-4eaf-87c6-3d9383599f96" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-1.934 -78.433 -1.984 -78.467 -2.033 -78.350 -1.984 -78.333 -1.934 -78.433</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">315</directionOfMotion><speedOfMotion uom="[kn_i]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.d9685fcf-ae76-4818-9da7-5e4ef4b10766" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.58d9740c-f1a2-4209-a532-84ea2f42b86e"><gml:timePosition>2025-12-17T17:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.a7047805-1c1e-40f9-96cf-23451471b469"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.5a4b2a6d-04e8-4bfa-972f-490c2adbfea1"><aixm:upperLimit uom="FL">200</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.518a4705-663f-4d3e-9992-a82ac3dedc0f" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-1.733 -78.783 -1.884 -78.850 -2.050 -78.317 -2.000 -78.317 -1.733 -78.783</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.39117ee5-9691-4132-8373-9f7651fe140c" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.b63f5565-65bf-402a-9be4-19d68ca197e9"><gml:timePosition>2025-12-17T23:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.8212bec7-3ed1-4662-bfd6-246a710a16c7"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.d06fcdc3-1357-4e8b-96c5-002b15ccfdce"><aixm:upperLimit uom="FL">200</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.592ad3be-851e-4bc2-862f-981e846e1a75" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-1.733 -78.783 -1.884 -78.850 -2.033 -78.317 -1.984 -78.317 -1.733 -78.783</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.1378d638-78eb-48e1-b3fb-621782ed9c1c" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.e05ecf7a-84d3-4250-83cd-63a1fdb869c2"><gml:timePosition>2025-12-18T05:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS PSBLY OBS IN STLT IMG THRU WX CLD CVR. WX CLDS PSBLY OBSCNG ADDTNL VA EMS BASED ON PREV ACTIVITY. NWP MDL GUIDANCE FCSTS GEN NW MOVMT THRU T+12. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.929bc177-d8ee-4962-86f3-dd44d0bde3a1"><gml:timePosition indeterminatePosition="before">2025-12-17T18:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES171205_C_KNES_20251217120610.xml</bulletinIdentifier></MeteorologicalBulletin>