Lewotobi Volcano Volcanic Ash Advisory: VA TO FL110 OBS AT 20/0550Z MOV E OBS VA DTG: 20/0550Z to 11000 ft (3400 m)

Satellite image of Lewotobi volcano on 20 Jul 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 11000 ft (3400 m) altitude or flight level 110 .
The full report is as follows:

FVAU04 at 06:09 UTC, 20/07/26 from ADRM
VA ADVISORY
DTG: 20260720/0610Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/274
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL110 OBS AT 20/0550Z MOV E
OBS VA DTG: 20/0550Z
OBS VA CLD: SFC/FL110 S0830 E12241 – S0827 E12319 – S0852
E12336 – S0837 E12241 MOV E 15KT
FCST VA CLD +6 HR: 20/1150Z SFC/FL110 S0837 E12241 – S0819
E12228 – S0812 E12255 – S0819 E12317 – S0838 E12326 – S0848
E12313
FCST VA CLD +12 HR: 20/1750Z SFC/FL110 S0830 E12241 – S0812
E12259 – S0819 E12317 – S0837 E12326 – S0844 E12314 – S0837
E12241
FCST VA CLD +18 HR: 20/2350Z SFC/FL110 S0837 E12241 – S0816
E12238 – S0812 E12259 – S0819 E12317 – S0833 E12328 – S0848
E12313
RMK: DISCRETE VA IDENTIFIABLE ON SATELLITE IMAGERY. GROUND
REPORTS INDICATE INTERMITTENT VA ERUPTIONS ARE ONGOING. VA
HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260720/1210Z=