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-90.867</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.b7565909-1e39-4c26-be11-505a98f62315" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.04846ad9-54d5-40fa-8d7f-ae88554abcb2"><gml:timePosition>2026-04-21T04:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.01dc6d55-0324-4310-b66d-8f87b843eab1"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.9d5565b5-1311-470e-9dcd-9debcc0fdcfb"><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.689a5375-8ca3-4146-b41f-5e6e7c698f5e" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.633 -91.100 14.467 -91.150 14.450 -90.867 14.467 -90.867 14.633 -91.100</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 IMAGERY AND WEBCAM MOVG APPRX 15NM WSW FM SUMMIT. VA FCST THRU T+18 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.2ab9b470-194e-4f32-b84c-4c9a64088f62"><gml:timePosition indeterminatePosition="before">2026-04-20T17:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX20KNES201058_C_KNES_20260420105904.xml</bulletinIdentifier></MeteorologicalBulletin>