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NWP MODELS.</informationSource><eruptionDetails>VA EMS CONT</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.699a6545-b7bd-4a35-94e2-aa4cd3990aaa" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.4f661241-fd76-48e6-9acb-7697de5b1198"><gml:timePosition>2026-04-28T03:20:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.38683808-6f06-4135-bde8-574e14f4af52"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.52088912-0e5b-443d-9c61-98933bfdbf9c"><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.88df1bce-ad00-4b38-a11c-8e9b230f1a24" srsDimension="2" 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gml:id="uuid.a220649c-b7ba-4ee0-947d-0cc1f7a7c740" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.483 -90.884 14.217 -91.083 14.167 -90.934 14.483 -90.867 14.483 -90.884</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 ON STLT MVG SW FM SUMMIT. WEBCAM SHOWS OCNL EMS. GEN SW MVMT EXP THRU T+18 ACCORDING TO NWP MDLS. ...EVANS</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.bf524826-4cff-4dfe-b553-d9d0f3cbf436"><gml:timePosition indeterminatePosition="before">2026-04-28T10:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES280353_C_KNES_20260428035420.xml</bulletinIdentifier></MeteorologicalBulletin>