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 and is moving at 10 kts in NW direction.
The full report is as follows:
FVAU02 at 22:38 UTC, 17/06/26 from ADRM
VA ADVISORY
DTG: 20260617/2240Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/690
INFO SOURCE: HIMAWARI-9, CVGHM, WEBCAM
ERUPTION DETAILS: VA TO FL150 OBS AT 17/2220Z
OBS VA DTG: 17/2220Z
OBS VA CLD: SFC/FL150 S0807 E11304 – S0815 E11257 – S0802
E11215 – S0738 E11235 MOV NW 10KT
FCST VA CLD +6 HR: 18/0420Z SFC/FL150 S0811 E11256 – S0757
E11217 – S0734 E11238 – S0805 E11302
FCST VA CLD +12 HR: 18/1020Z SFC/FL150 S0812 E11256 – S0758
E11222 – S0735 E11248 – S0806 E11301
FCST VA CLD +18 HR: 18/1620Z SFC/FL150 S0811 E11253 – S0748
E11231 – S0736 E11251 – S0806 E11302
RMK: VA EMISSIONS OBS ON LATEST SATELLITE IMAGERY.
INTERMITTENT ERUPTIONS EXPECTED TO CONTINUE. VA HEIGHT AND
MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260618/0440Z=