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EXP CONT S MOVNT THRU T+12 HRS. FL BSD ON PAST ACTIVITY. FCST BSD ON NWP MDLS. ...LINER</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.8670b7d1-c109-4bb2-89db-c69015b6e649"><gml:timePosition indeterminatePosition="before">2025-12-21T20:00:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX22KNES211353_C_KNES_20251221135418.xml</bulletinIdentifier></MeteorologicalBulletin>