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:
FVAU01 at 15:33 UTC, 20/12/25 from ADRM
VA ADVISORY
DTG: 20251220/1536Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2025/1421
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBSERVED 20/1437Z MOV E
EST VA DTG: 20/1520Z
EST VA CLD: SFC/FL070 N0128 E12735 – N0133 E12735 – N0143
E12803 – N0121 E12805 MOV E 15KT
FCST VA CLD +6 HR: 20/2120Z SFC/FL070 N0128 E12735 – N0134
E12735 – N0147 E12758 – N0132 E12808 – N0118 E12800
FCST VA CLD +12 HR: 21/0320Z SFC/FL070 N0128 E12734 – N0134
E12735 – N0143 E12756 – N0130 E12806 – N0117 E12757
FCST VA CLD +18 HR: 21/0920Z SFC/FL070 N0129 E12734 – N0135
E12737 – N0138 E12801 – N0123 E12805 – N0113 E12752
RMK: VA NOT IDENTIFIABLE ON RECENT SATELLITE IMAGERY DUE TO
MET CLOUD. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORTS
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251220/2136Z=