Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows:
FVAU02 at 16:17 UTC, 20/06/26 from ADRM
VA ADVISORY
DTG: 20260620/1620Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/701
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 MOV W OBS AT 20/1600Z
OBS VA DTG: 20/1600Z
OBS VA CLD: SFC/FL150 S0805 E11300 – S0811 E11259 – S0813
E11231 – S0757 E11222 – S0744 E11237 MOV W 10KT
FCST VA CLD +6 HR: 20/2200Z SFC/FL150 S0808 E11301 – S0818
E11231 – S0801 E11218 – S0746 E11232 – S0803 E11300
FCST VA CLD +12 HR: 21/0400Z SFC/FL150 S0808 E11259 – S0819
E11229 – S0802 E11217 – S0748 E11233 – S0803 E11300
FCST VA CLD +18 HR: 21/1000Z SFC/FL150 S0809 E11259 – S0816
E11227 – S0800 E11217 – S0747 E11233 – S0804 E11300
RMK: VA EMISSIONS OBS ON LATEST SATELLITE IMAGERY. GROUND
REPORTS CONFIRM INTERMITTENT EMISSIONS ARE ONGOING. VA
HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260620/2220Z=