Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:
FVAU04 at 11:05 UTC, 14/12/25 from ADRM
VA ADVISORY
DTG: 20251214/1104Z
VAAC: DARWIN
VOLCANO: MARAPI 261140
PSN: S0023 E10028
AREA: INDONESIA
SOURCE ELEV: 2885M AMSL
ADVISORY NR: 2025/178
INFO SOURCE: CVGHM
ERUPTION DETAILS: GROUND REPORT OF ERUPTION TO FL140 AT
14/0936Z MOV N
EST VA DTG: 14/1040Z
EST VA CLD: SFC/FL140 S0035 E10033 – S0029 E10007 – N0004
E10011 – N0005 E10041 MOV N 05KT
FCST VA CLD +6 HR: 14/1640Z NO VA EXP
FCST VA CLD +12 HR: 14/2240Z NO VA EXP
FCST VA CLD +18 HR: 15/0440Z NO VA EXP
RMK: VA OBSCURED BY MET CLOUD ON LATEST SATELLITE IMAGERY.
HEIGHT AND FORECAST BASED ON GROUND REPORT AND MODEL
GUIDANCE. LOW CONFIDENCE IN FORECAST DUE TO LIGHT AND
VARIABLE WINDS. VA EXPECTED TO DISSIPATE WITHIN 6 HOURS.
NXT ADVISORY: NO LATER THAN 20251214/1704Z=