Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:
FVAU02 at 15:26 UTC, 02/04/26 from ADRM
VA ADVISORY
DTG: 20260402/1530Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/377
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 02/0821Z
EST VA DTG: 02/1510Z
EST VA CLD: SFC/FL150 S0813 E11303 – S0820 E11233 – S0804
E11218 – S0745 E11237 – S0757 E11303 MOV W 05KT
FCST VA CLD +6 HR: 02/2110Z SFC/FL150 S0810 E11305 – S0825
E11250 – S0811 E11230 – S0752 E11240 – S0758 E11303
FCST VA CLD +12 HR: 03/0310Z SFC/FL150 S0757 E11300 – S0813
E11305 – S0826 E11247 – S0812 E11229 – S0751 E11239
FCST VA CLD +18 HR: 03/0910Z SFC/FL150 S0814 E11301 – S0822
E11243 – S0802 E11228 – S0743 E11252 – S0758 E11305
RMK: VA NOT IDENTIFIABLE ON SAT IMAGERY DUE TO MET CLOUD.
INTERMITTENT VA EMISSIONS EXPECTED TO BE ONGOING. VA HEIGHT
AND MOVEMENT BASED ON PAST SATELLITE IMAGERY, GROUND REPORTS
AND MODEL GUIDANCE. LOW CONFIDENCE IN FORECAST DUE TO LIGHT
WINDS.
NXT ADVISORY: NO LATER THAN 20260402/2130Z=