Lewotobi Volcano Volcanic Ash Advisory: VA TO FL090 REPORTED AT 04/0442Z EST VA DTG: 04/0550Z to 9000 ft (2700 m)

Satellite image of Lewotobi volcano on 4 Aug 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 9000 ft (2700 m) altitude or flight level 090 .
The full report is as follows:

FVAU04 at 06:11 UTC, 04/08/26 from ADRM
VA ADVISORY
DTG: 20260804/0620Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/335
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL090 REPORTED AT 04/0442Z
EST VA DTG: 04/0550Z
EST VA CLD: SFC/FL090 S0834 E12248 – S0841 E12231 – S0838
E12220 – S0825 E12222 – S0823 E12233 – S0832 E12247 MOV W
10KT
FCST VA CLD +6 HR: 04/1150Z SFC/FL090 S0832 E12248 – S0834
E12248 – S0841 E12231 – S0837 E12220 – S0825 E12222 – S0823
E12233
FCST VA CLD +12 HR: 04/1750Z SFC/FL090 S0835 E12247 – S0834
E12216 – S0814 E12229 – S0831 E12248
FCST VA CLD +18 HR: 04/2350Z SFC/FL090 S0835 E12247 – S0834
E12217 – S0815 E12229 – S0831 E12248
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY.
GROUND REPORTS INDICATE DISCRETE VA EMISSIONS ARE ONGOING.
VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/1220Z=