Lewotolo Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Aug 15, 17:45 UTC

Satellite image of Lewotolo volcano on 15 Aug 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.

Original VAAC bulletin:

FVAU06 at 17:45 UTC, 15/08/26 from ADRM
VA ADVISORY
DTG: 20260815/1750Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/153
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 REP AT 15/1102Z MOV W
EST VA DTG: 15/1730Z
EST VA CLD: SFC/FL070 S0812 E12336 - S0823 E12334 - S0823
 E12234 - S0800 E12235 - S0742 E12250 MOV W 15KT
FCST VA CLD +6 HR: 15/2330Z SFC/FL070 S0823 E12334 - S0818
 E12233 - S0756 E12232 - S0742 E12247 - S0810 E12336
FCST VA CLD +12 HR: 16/0530Z SFC/FL070 S0823 E12332 - S0810
 E12239 - S0749 E12237 - S0734 E12255 - S0811 E12337
FCST VA CLD +18 HR: 16/1130Z SFC/FL070 S0821 E12334 - S0830
 E12242 - S0804 E12237 - S0742 E12249 - S0811 E12335
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO
 DARKNESS. GROUND REPORTS INDICATE AN ONGOING ERUPTIONS.
 HEIGHT AND MOVEMENT BASED ON GROUND REPORT, MODEL GUIDANCE,
 AND RECENT SAT IMG.
NXT ADVISORY: NO LATER THAN 20260815/2350Z=