Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:
FVAU02 at 08:50 UTC, 12/11/25 from ADRM
VA ADVISORY
DTG: 20251112/0850Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3657M
ADVISORY NR: 2025/1288
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION LAST REP AT 11/1203Z
EST VA DTG: 12/0830Z
EST VA CLD: SFC/FL150 S0805 E11250 – S0801 E11253 – S0802
E11308 – S0814 E11309 – S0818 E11257 MOV E 05KT
FCST VA CLD +6 HR: 12/1430Z SFC/FL150 S0801 E11253 – S0802
E11309 – S0814 E11310 – S0817 E11300 – S0805 E11249
FCST VA CLD +12 HR: 12/2030Z SFC/FL150 S0801 E11253 – S0802
E11311 – S0812 E11312 – S0816 E11302 – S0806 E11249
FCST VA CLD +18 HR: 13/0230Z SFC/FL150 S0808 E11252 – S0803
E11253 – S0758 E11310 – S0806 E11317 – S0813 E11312
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER CVGHM REPORT ERUPTIVE ACTIVITY IS ONGOING.
HEIGHT AND MOVEMENT BASED ON RECENT ERUPTIVE BEHAVIOUR AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251112/1450Z=