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NWP MODELS.</informationSource><eruptionDetails>PSBL LGT VA EM</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.b66c1cfa-00d2-4df0-8553-ff4caa38f1a8" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.1153b33e-49bf-4b99-9a26-06c42a880254"><gml:timePosition>2026-04-15T03:40:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.735dc35e-cbc3-4bb7-a268-42360f21a798"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.9e3c809b-592e-4a1e-8197-9ccaeec9a3b6"><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.8f6c0c30-8ad8-4bad-a2c0-8c04602dbc2f" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-0.083 -77.650 -0.083 -77.683 -0.383 -77.533 -0.217 -77.383 -0.083 -77.650</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">135</directionOfMotion><speedOfMotion uom="[kn_i]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.5c1127bd-37fd-4c8f-bf19-90d9ad53aa78" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.da5076ee-07db-493b-8732-c15c02d7b5dd"><gml:timePosition>2026-04-15T09:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.998cfdaf-9f18-4c2c-bdcb-008a4fb8cc49"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.ae0afff6-a740-4d23-b4e9-3a414c378b07"><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.cab33ee3-05b0-42f3-8dd2-ffa9efaa5ab7" 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 -77.650 -0.083 -77.683 -0.383 -77.317 -0.083 -77.167 -0.067 -77.650</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.137021b8-251f-44fa-bcbd-d3e751d5e7cb" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.39ff0908-e19d-48f4-a1bc-8f012ef644d3"><gml:timePosition>2026-04-15T15:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.e51cacd2-21f5-4196-9c1d-64098fa7cb24" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.fcb5e58b-4bb4-4662-822f-7d5a83cafb84"><gml:timePosition>2026-04-15T21:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EM NOT SEEN IN STLT IMG DUE TO MET CLD CVR IN SUMMIT AREA. EXP SE TO ESE MOVNT THRU T+6 HRS. FL BSD ON PAST ACTIVITY. FCST BSD ON NWP MDLS. ...LINER</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.b6767949-2861-4c97-9c9c-6a6d38f869dc"><gml:timePosition indeterminatePosition="before">2026-04-15T10:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES150415_C_KNES_20260415041708.xml</bulletinIdentifier></MeteorologicalBulletin>