Satellite image of Lewotolo volcano on 20 Sep 2026Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070, and moving at 05 kts in NW direction.Original VAAC bulletin:FVAU04 at 05:01 UTC, 20/09/26 from ADRMVA ADVISORYDTG: 20260920/0500ZVAAC: DARWINVOLCANO: LEWOTOLOK 264230PSN: S0816 E12330AREA: INDONESIASOURCE ELEV: 1423M AMSLADVISORY NR: 2026/256INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL070 OBS 20/0440Z EXT NWOBS VA DTG: 20/0440ZOBS VA CLD: SFC/FL070 S0814 E12332 - S0819 E12332 - S0804 E12307 - S0753 E12320 MOV NW 05KTFCST VA CLD +6 HR: 20/1040Z SFC/FL070 S0814 E12332 - S0819 E12332 - S0815 E12305 - S0756 E12315FCST VA CLD +12 HR: 20/1640Z SFC/FL070 S0814 E12332 - S0819 E12332 - S0821 E12304 - S0804 E12307FCST VA CLD +18 HR: 20/2240Z SFC/FL070 S0814 E12332 - S0819 E12332 - S0824 E12304 - S0806 E12306 - S0754 E12319RMK: CONTINUOUS VA IDENTIFIABLE ON SATELLITE IMAGERY. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260920/1100Z=