Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows:
FVAU02 at 04:57 UTC, 22/12/25 from ADRM
VA ADVISORY
DTG: 20251222/0500Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1458
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED 21/2339Z MOV NE
EST VA DTG: 22/0440Z
EST VA CLD: SFC/FL150 S0808 E11255 – S0806 E11252 – S0744
E11300 – S0757 E11316 MOV NE 10KT
FCST VA CLD +6 HR: 22/1040Z SFC/FL150 S0809 E11255 – S0806
E11251 – S0744 E11300 – S0755 E11316
FCST VA CLD +12 HR: 22/1640Z SFC/FL150 S0808 E11256 – S0806
E11251 – S0748 E11258 – S0756 E11311
FCST VA CLD +18 HR: 22/2240Z SFC/FL150 S0808 E11256 – S0806
E11252 – S0746 E11257 – S0754 E11312
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED
ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251222/1100Z=