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NWP MODELS.</informationSource><eruptionDetails>VA EMS OBS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.63cebf5b-a770-496a-ab3a-4d66bee4b741" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.8a1d4fb7-18da-4187-8f12-68addce0abbe"><gml:timePosition>2026-05-01T00:50:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.36e5445e-6ada-462a-9917-3094ec4cee95"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.99ff93a2-7a04-48dc-b523-3145d96429eb"><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.a422ff53-be95-4f17-97e2-97574a0bdbb1" srsDimension="2" 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gml:id="uuid.06f237c2-2e32-4a98-95bc-c789416f5006" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.050 -78.000 -0.083 -78.017 -0.083 -77.667 -0.067 -77.667 0.050 -78.000</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 12NM FM SUMMIT. MULT VA EMS SEEN IN WEBCAM. NWP MDL GUIDANCE FCSTS GEN WNW TO W MOVMT THRU T+18. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.4bb41049-4a25-442c-bd9b-b2de284b286c"><gml:timePosition indeterminatePosition="before">2026-05-01T07:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES010124_C_KNES_20260501012448.xml</bulletinIdentifier></MeteorologicalBulletin>