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 17:00 UTC, 23/12/25 from ADRM
VA ADVISORY
DTG: 20251223/1700Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1464
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED 23/1537Z MOV NE
EST VA DTG: 23/1640Z
EST VA CLD: SFC/FL150 S0808 E11255 – S0806 E11250 – S0751
E11250 – S0734 E11258 – S0746 E11316 MOV NE 10KT
FCST VA CLD +6 HR: 23/2240Z SFC/FL150 S0808 E11254 – S0805
E11250 – S0754 E11251 – S0734 E11300 – S0751 E11320
FCST VA CLD +12 HR: 24/0440Z SFC/FL150 S0809 E11254 – S0806
E11250 – S0735 E11301 – S0752 E11321
FCST VA CLD +18 HR: 24/1040Z SFC/FL150 S0809 E11252 – S0804
E11249 – S0740 E11309 – S0757 E11323 – S0809 E11306
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. GROUND REPORTS INDICATE INTERMITTENT DISCRETE
EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251223/2300Z=