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NWP MODELS.</informationSource><eruptionDetails>VA EMS OBS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.e2738bab-e305-4a8b-ba2b-64b676bbd16a" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.e7878bd2-e6fc-422b-9983-1946f2f951a8"><gml:timePosition>2025-10-19T10:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.e4b2e288-d8d6-4d7b-ac7f-78160c7cb19f"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.925da0fb-1d15-4751-a671-18ddea00f5c1"><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.99ae4e59-099f-4e49-96fc-f74015e1a1af" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.767 -91.550 14.717 -91.767 14.633 -91.717 14.733 -91.533 14.767 -91.550</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">225</directionOfMotion><speedOfMotion uom="[kn_i]">10</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.fddbdbd4-c148-43af-9fb0-a6920d61e87a" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.503ad9ef-3b25-4d51-b486-30535ef3f148"><gml:timePosition>2025-10-19T16:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.25e047c1-7a3b-43c1-b2e9-6bc417fcb2a9"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.2ec8d157-9622-491a-ac1e-4a2720d151f2"><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.0a92133d-ce45-4330-964b-e5615fd65175" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.767 -91.533 14.667 -92.267 14.350 -92.150 14.733 -91.533 14.767 -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.70dfcfd0-b1a8-455f-8d27-ac38ce8bea9a" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.918d002f-d11d-40fd-8afb-eabc1a1fcf1d"><gml:timePosition>2025-10-19T22:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.e9b059a6-e1f8-46a2-b5de-ea913ca832c5"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.0bd6681c-c51f-4b37-ad14-bca0a81b42d6"><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.4b2d9c4d-7c87-4780-a5ee-fb706670a59a" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">14.767 -91.533 14.617 -92.250 14.283 -92.050 14.733 -91.533 14.767 -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.0d72979f-c943-447e-ba57-416d4f53bc83" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.bbdcc376-d41b-430e-87de-e3e47788c075"><gml:timePosition>2025-10-20T04:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VA EMS OBS IN STLT IMG UP TO APPRX 10NM FM SUMMIT. NWP MDL GUIDANCE FCSTS GEN SW MOVMT THRU T+12. HGT AND SPEED BASED ON MOVMT AND NWP MDLS. ...MONAGHAN</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.1b76d1ca-8b3a-4ace-b460-eef309a07a3d"><gml:timePosition indeterminatePosition="before">2025-10-19T16:30:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX23KNES191028_C_KNES_20251019102932.xml</bulletinIdentifier></MeteorologicalBulletin>