Lewotolo Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Sep 20, 04:40 UTC

Satellite image of Lewotolo volcano on 20 Sep 2026

Explosive 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 ADRM
VA ADVISORY
DTG: 20260920/0500Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/256
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS 20/0440Z EXT NW
OBS VA DTG: 20/0440Z
OBS VA CLD: SFC/FL070 S0814 E12332 - S0819 E12332 - S0804
 E12307 - S0753 E12320 MOV NW 05KT
FCST VA CLD +6 HR: 20/1040Z SFC/FL070 S0814 E12332 - S0819
 E12332 - S0815 E12305 - S0756 E12315
FCST VA CLD +12 HR: 20/1640Z SFC/FL070 S0814 E12332 - S0819
 E12332 - S0821 E12304 - S0804 E12307
FCST VA CLD +18 HR: 20/2240Z SFC/FL070 S0814 E12332 - S0819
 E12332 - S0824 E12304 - S0806 E12306 - S0754 E12319
RMK: 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=