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WEBCAM. NWP MODELS. ASH3D. VOLCAT.</informationSource><eruptionDetails>ONGOING DENSE VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.a1a43243-e695-468f-9bfc-f8a38023f126" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.119193ce-c75a-4a5b-9c89-f0190f826217"><gml:timePosition>2026-04-28T14:10:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.650077c4-b499-4f4a-ab5a-6296e61cf93e"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.bc6e0032-d0e1-4476-8629-2b7d992f1f2a"><aixm:upperLimit uom="FL">160</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.b2560397-b9a4-46dc-8d66-e525ce8898b2" srsDimension="2" 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-91.550</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.ad989df7-f7a0-4c2a-981c-d191edd55474" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.5b910a53-181a-412a-ac43-e9caf34fee24"><gml:timePosition>2026-04-29T02:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.9e63b4fc-fd8d-4f94-a783-94d1ab8362b9"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.26cac5f4-27a0-4029-a633-f66f0ada6601"><aixm:upperLimit uom="FL">160</aixm:upperLimit><aixm:upperLimitReference>STD</aixm:upperLimitReference><aixm:lowerLimit>GND</aixm:lowerLimit><aixm:lowerLimitReference>SFC</aixm:lowerLimitReference><aixm:horizontalProjection><aixm:Surface axisLabels="Lat Long" 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srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.783 -91.533 14.483 -93.617 14.083 -93.450 14.733 -91.533 14.783 -91.533</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.63ae8e1f-c5bf-45fd-9ce4-982f1e19c0b6" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.35edcdde-8457-4d18-9b95-8e0fe57a3abc"><gml:timePosition>2026-04-29T08:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.41caaf57-04d4-47d6-95f3-32ae78d8cfb8"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.32472215-ab80-49ba-9e3c-541a8aa56c69"><aixm:upperLimit uom="FL">160</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.0d5e052a-1af8-4daa-ba65-9b7e3f2d5d02" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">15.183 -93.350 14.583 -93.283 14.700 -92.867 15.183 -92.917 15.183 -93.350</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud><ashCloud><VolcanicAshCloudForecast gml:id="uuid.03a72db1-d4ed-4c50-8804-a7b86d5acc0f"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.a0585302-ffcc-48b1-89e5-f9d3af4a8865"><aixm:upperLimit uom="FL">190</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.fbab9777-6b5f-40f1-a6a2-ee8c02e68cf9" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.783 -91.550 14.617 -93.817 14.183 -93.667 14.733 -91.517 14.783 -91.550</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>DENSE VA EMS UP TO FL160 MOVG APPRX 70NM W FM SUMMIT AND TO FL190 MOVG APPRX 55NM SW FM SUMMIT IN STLT IMAGERY. VA EXTNDING OFF THE COAST. VA FL BASED ON NWP MDLS AND STLT IMAGERY. VA FCST THRU T+18 HRS BASED ON NWP MDLS. ...COVERDALE</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.d702d222-6274-41c0-afec-4e294a459b38"><gml:timePosition indeterminatePosition="before">2026-04-28T20:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX22KNES281435_C_KNES_20260428143620.xml</bulletinIdentifier></MeteorologicalBulletin>