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VONA. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>VONA RPTD VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.f6f20822-b539-488e-88b6-bcc60444e7d2" isEstimated="true" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.18fb4f31-b19f-43d8-8ee3-385f9e58a222"><gml:timePosition>2025-04-19T14:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.7b084e38-41f7-4209-8e88-04694a2d19a8"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.84682187-a9e7-4c72-903d-87712d855480"><aixm:upperLimit uom="FL">100</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.2f614483-cbb0-4005-9b2b-9e26b41a11a0" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.233 -84.367 10.167 -84.367 10.183 -84.217 10.200 -84.217 10.233 -84.367</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">270</directionOfMotion><speedOfMotion uom="[kn_i]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.4c7a5ee5-bf05-4af0-ab65-29fd9240ab0f" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.b2774cb6-0eb8-444c-9230-f4e0540f87cb"><gml:timePosition>2025-04-19T20:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.341f95e4-c944-4f78-b453-ab4cdb82a755"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.9fc5d839-27f5-4a76-8b9a-121d0e45fd57"><aixm:upperLimit uom="FL">100</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.b2bb6d3a-5fb3-4d6f-a865-df0612b44918" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">10.200 -84.233 10.133 -84.417 10.067 -84.367 10.183 -84.217 10.200 -84.233</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.cf5f78ab-e196-4ce3-b9fa-4403d1b3dbb2" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.fb9631de-9dbd-4670-b7c7-0b4e87384c96"><gml:timePosition>2025-04-20T02:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.2287ab84-f6d9-4c6e-85ca-83d061b8609a" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.30b86c31-3f7e-4809-bb55-91a81bfbc51f"><gml:timePosition>2025-04-20T08:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VONA RCVD. VA EMS OBSD IN WEBCAM BUT NOT ON STLT IMG DUE TO MET CLDS. W MVMT EXP TO SHIFT SW BY T+6 HRS. MVMT AND HGT BASED ON VONA, WEBCAM, AND NWP MDLS. ...BERTALAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.c110adb4-f169-4816-bfa4-f578ab905e75"><gml:timePosition indeterminatePosition="before">2025-04-19T21:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX25KNES191456_C_KNES_20250419145749.xml</bulletinIdentifier></MeteorologicalBulletin>