Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 and is moving at 05 kts in SE direction.
The full report is as follows:
FVAU02 at 09:18 UTC, 11/12/25 from ADRM
VA ADVISORY
DTG: 20251211/0920Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1412
INFO SOURCE: CVGHM
ERUPTION DETAILS: VA TO FL160 LAST REPORTED AT 10/2341Z
EST VA DTG: 11/0900Z
EST VA CLD: SFC/FL160 S0804 E11255 – S0813 E11308 – S0823
E11305 – S0822 E11253 – S0806 E11252 MOV SE 05KT
FCST VA CLD +6 HR: 11/1500Z SFC/FL160 S0804 E11255 – S0813
E11309 – S0823 E11305 – S0822 E11253 – S0805 E11252
FCST VA CLD +12 HR: 11/2100Z SFC/FL160 S0804 E11255 – S0809
E11310 – S0822 E11308 – S0822 E11256 – S0806 E11252
FCST VA CLD +18 HR: 12/0300Z SFC/FL160 S0804 E11255 – S0809
E11310 – S0822 E11308 – S0822 E11256 – S0806 E11252
RMK: VA NOT IDENTIFIABLE ON SAT IMG DUE TO MET CLOUD COVER.
GROUND REPORTS INDICATE INTERMITTENT DISCRETE EMISSIONS
REMAIN ONGOING. LOW CONFIDENCE IN FORECAST DUE TO LIGHT AND
VRB WINDS. HEIGHT AND MOVEMENT BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251211/1520Z=