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 and is moving at 10 kts in N direction.
The full report is as follows:
FVAU02 at 10:57 UTC, 05/01/26 from ADRM
VA ADVISORY
DTG: 20260105/1110Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/18
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 04/1519Z
EST VA DTG: 05/1050Z
EST VA CLD: SFC/FL150 S0811 E11301 – S0809 E11247 – S0748
E11244 – S0743 E11259 – S0753 E11311 MOV N 10KT
FCST VA CLD +6 HR: 05/1650Z SFC/FL150 S0812 E11301 – S0809
E11247 – S0748 E11245 – S0744 E11259 – S0754 E11311
FCST VA CLD +12 HR: 05/2250Z SFC/FL150 S0811 E11301 – S0809
E11247 – S0750 E11243 – S0742 E11257 – S0753 E11309
FCST VA CLD +18 HR: 06/0450Z SFC/FL150 S0810 E11301 – S0809
E11248 – S0751 E11242 – S0742 E11255 – S0752 E11307
RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMG DUE TO MET CLOUD.
GND REPORTS INDICATE INTERMITTENT DISCRETE EMISSIONS ARE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON GND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260105/1710Z=