Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:
FVAU02 at 05:44 UTC, 21/01/26 from ADRM
VA ADVISORY
DTG: 20260121/0550Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/83
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 21/0252Z
EST VA DTG: 21/0530Z
EST VA CLD: SFC/FL150 S0808 E11251 – S0802 E11250 – S0756
E11327 – S0805 E11331 – S0817 E11325 MOV E 15KT
FCST VA CLD +6 HR: 21/1130Z SFC/FL150 S0809 E11250 – S0802
E11250 – S0755 E11326 – S0805 E11333 – S0817 E11326
FCST VA CLD +12 HR: 21/1730Z SFC/FL150 S0809 E11250 – S0801
E11250 – S0757 E11324 – S0805 E11331 – S0816 E11324
FCST VA CLD +18 HR: 21/2330Z SFC/FL150 S0808 E11250 – S0801
E11250 – S0756 E11323 – S0805 E11330 – S0816 E11326
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY DUE TO
MET CLOUD, HOWEVER GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS COULD BE ONGOING. VA HEIGHT AND MOVEMENT
BASED ON RECENT GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260121/1150Z=