LUXX20 KNES 250555
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VONA. NWP MODELS.</informationSource><eruptionDetails>VA EMS OBS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.26f6e406-1e38-4d55-ac05-eaa99bed0493" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.1cf2c460-7812-4b42-858f-ac5949162256"><gml:timePosition>2025-12-25T05:20:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.8ccbf46f-ef8e-4426-af11-1be49a487bd8"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.1bde886d-541c-464e-b4f7-77637f0715d0"><aixm:upperLimit uom="FL">150</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.1c7704be-c0aa-45d8-8c25-5a142a8fcd49" srsDimension="2" 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-77.633</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.4f1199d7-372f-4390-9561-2137bf845af4" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.387525ad-cd0c-4d3e-9852-fd840532c2e9"><gml:timePosition>2025-12-25T23:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.6530b77b-a2b3-4c8e-bc46-202516c15f56"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.63d2c90d-dfc4-44ef-8b6c-1f1049282dfc"><aixm:upperLimit uom="FL">150</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.abc232b8-276d-4f20-aabc-8fe00328dbc4" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-0.067 -77.667 -0.083 -77.667 -0.467 -77.383 -0.367 -77.300 -0.067 -77.667</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBS IN STLT IMG UP TO APPRX 25NM FM SUMMIT. VONA RCVD CONFIRMING VA MOVNG SE AT UP TO FL150. NWP MDL GUIDANCE FCSTS GEN SE MOVMT THRU T+18. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.6175fd6c-b38b-42f6-960a-1a32202c2422"><gml:timePosition indeterminatePosition="before">2025-12-25T12:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES250553_C_KNES_20251225055427.xml</bulletinIdentifier></MeteorologicalBulletin>