Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .
The full report is as follows:
FVAU03 at 01:55 UTC, 19/12/25 from ADRM
VA ADVISORY
DTG: 20251219/0200Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2025/1059
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA OBS TO FL070 MOV NE AT 19/0100Z
OBS VA DTG: 19/0140Z
OBS VA CLD: SFC/FL070 N0140 E12752 – N0141 E12750 – N0151
E12751 – N0152 E12803 – N0141 E12807 MOV NE 05KT
FCST VA CLD +6 HR: 19/0740Z SFC/FL070 N0139 E12752 – N0142
E12750 – N0151 E12751 – N0151 E12804 – N0141 E12808
FCST VA CLD +12 HR: 19/1340Z SFC/FL070 N0139 E12753 – N0141
E12750 – N0152 E12751 – N0152 E12803 – N0144 E12806
FCST VA CLD +18 HR: 19/1940Z SFC/FL070 N0139 E12754 – N0140
E12749 – N0153 E12749 – N0153 E12802 – N0143 E12806
RMK: VA PARTIALLY IDENTIFIABLE ON LATEST SATELLITE IMAGERY
EXTENDING NE OF SUMMIT. VA HEIGHT AND FORECAST BASED ON
LATEST HIMAWARI-9 SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251219/0800Z=