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 12:58 UTC, 20/12/25 from ADRM
VA ADVISORY
DTG: 20251220/1300Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2025/1065
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 20/0220Z MOV NE
EST VA DTG: 20/1240Z
EST VA CLD: SFC/FL070 N0140 E12751 – N0146 E12751 – N0154
E12817 – N0144 E12824 – N0134 E12818 MOV E 15KT
FCST VA CLD +6 HR: 20/1840Z SFC/FL070 N0140 E12751 – N0146
E12751 – N0157 E12813 – N0146 E12823 – N0131 E12816
FCST VA CLD +12 HR: 21/0040Z SFC/FL070 N0140 E12751 – N0146
E12750 – N0158 E12813 – N0147 E12823 – N0133 E12817
FCST VA CLD +18 HR: 21/0640Z SFC/FL070 N0141 E12751 – N0147
E12751 – N0152 E12815 – N0140 E12821 – N0128 E12812
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY DUE TO MET
CLOUD, HOWEVER EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT
AND FORECAST BASED ON SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251220/1900Z=