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VONA. NWP MODELS.</informationSource><eruptionDetails>SML VA EMS</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.922cb49f-972f-487a-8708-2a715e61fe04" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.6b339be3-d161-4c40-9705-be8890106d6b"><gml:timePosition>2025-01-31T22:20:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.e785e8ed-5c53-461b-be26-9603599f1e81"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.8c6dd9fb-bea4-4097-9377-237b0b89e8a5"><aixm:upperLimit uom="FL">130</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.cc18662e-f160-4cf7-8539-8f958feb4851" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">-0.067 -77.667 -0.133 -77.817 -0.217 -77.733 -0.083 -77.633 -0.067 -77.667</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]">5</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.91b6ebc9-9e9d-4fae-a733-dbbea7ac5153" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.32055ef3-09bf-48d7-89c8-377f245c8c11"><gml:timePosition>2025-02-01T04:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.0c418f13-bc46-40b5-9eab-a5c83ef2e74f"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.33259008-ded1-48b1-893e-9f92341cd128"><aixm:upperLimit uom="FL">130</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.d1f644fa-9970-44dd-bcbe-6232bd096277" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">0.033 -77.884 -0.100 -77.917 -0.083 -77.650 -0.067 -77.667 0.033 -77.884</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.4ec843d0-129c-4837-add1-bcacb9945f22" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.3ec8bc19-fbf8-4de3-92cf-83098452a911"><gml:timePosition>2025-02-01T10:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.02b2bf88-b398-4eeb-910c-55d5728b3640" status="NO_VOLCANIC_ASH_EXPECTED"><phenomenonTime><gml:TimeInstant gml:id="uuid.a53f2b10-5c0a-41be-b7c9-f99b1ad736bc"><gml:timePosition>2025-02-01T16:30:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime></VolcanicAshForecastConditions></forecast><remarks>VONA RCVD. VA EMS OBS IN STLT IMG MOV SW EXT UP TO 10NM FM SUMMIT. A MORE WNW MVMT EXT BY T+6. FCST BASED ON VONA, STLT AND MDL WINDS. ...GATLING</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.35d0f960-0381-45e0-9a0a-70230c85b73b"><gml:timePosition indeterminatePosition="before">2025-02-01T04:45:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX21KNES312252_C_KNES_20250131225250.xml</bulletinIdentifier></MeteorologicalBulletin>