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 18:09 UTC, 20/07/26 from ADRM
VA ADVISORY
DTG: 20260720/1810Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/276
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL110 OBS AT 20/1750Z MOV SE
OBS VA DTG: 20/1750Z
OBS VA CLD: SFC/FL110 S0830 E12241 – S0812 E12259 – S0819
E12317 – S0837 E12326 – S0848 E12314 – S0837 E12241 MOV SE
10KT
FCST VA CLD +6 HR: 20/2350Z SFC/FL110 S0837 E12241 – S0816
E12238 – S0812 E12259 – S0819 E12317 – S0833 E12328 – S0848
E12313
FCST VA CLD +12 HR: 21/0550Z SFC/FL110 S0837 E12241 – S0825
E12241 – S0813 E12251 – S0819 E12317 – S0836 E12326 – S0848
E12312
FCST VA CLD +18 HR: 21/1150Z SFC/FL110 S0838 E12241 – S0827
E12236 – S0812 E12245 – S0815 E12313 – S0825 E12324 – S0847
E12318
RMK: WEAK, 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 20260721/0010Z=
