A ground report indicated volcanic ash up to FL070 moving west as of 30 August 2026, 10:30 UTC. Forecasts suggest ash is expected to dissipate within 6 to 12 hours.Original VAAC bulletin:FVAU04 at 11:04 UTC, 30/08/26 from ADRMVA ADVISORYDTG: 20260830/1050ZVAAC: DARWINVOLCANO: LEWOTOLOK 264230PSN: S0816 E12330AREA: INDONESIASOURCE ELEV: 1423M AMSLADVISORY NR: 2026/172INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: GROUND REPORT OF VA TO FL070 MOV WESTEST VA DTG: 30/1030ZEST VA CLD: SFC/FL070 S0815 E12332 - S0818 E12332 - S0824 E12301 - S0808 E12301 MOV W 10KTFCST VA CLD +6 HR: 30/1630Z SFC/FL070 S0814 E12332 - S0818 E12332 - S0825 E12257 - S0806 E12256FCST VA CLD +12 HR: 30/2230Z NO VA EXPFCST VA CLD +18 HR: 31/0430Z NO VA EXPRMK: GROUND REPORT OF ERUPTION AT 30/0844Z WITH VA TO 1920FT ABOVE SUMMIT MOVING WEST. CONTINUOUS VA EMISSION IDENTIFIABLE ON EARLIER SATELLITE IMAGERY MOVING WEST, NOW NOT DISCERNIBLE DUE TO MET CLOUD AND DARKNESS. VA EXPECTED TO DISSIPATE WITHIN 6 - 12 HOURS.NXT ADVISORY: NO LATER THAN 20260830/1650Z=