Semeru Volcano Volcanic Ash Advisory: VA TO FL150 LAST REPORTED AT 08/1424Z EST VA DTG: 08/1430Z to 15000 ft (4600 m)

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 14:45 UTC, 08/12/25 from ADRM
VA ADVISORY
DTG: 20251208/1450Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1401
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 08/1424Z
EST VA DTG: 08/1430Z
EST VA CLD: SFC/FL150 S0805 E11259 – S0810 E11256 – S0807
E11230 – S0755 E11223 – S0748 E11236 MOV NW 10KT
FCST VA CLD +6 HR: 08/2030Z SFC/FL150 S0806 E11259 – S0810
E11257 – S0808 E11226 – S0755 E11222 – S0747 E11236
FCST VA CLD +12 HR: 09/0230Z SFC/FL150 S0805 E11259 – S0810
E11256 – S0809 E11226 – S0754 E11221 – S0747 E11236
FCST VA CLD +18 HR: 09/0830Z SFC/FL150 S0805 E11259 – S0810
E11257 – S0810 E11224 – S0758 E11217 – S0749 E11228
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD COVER. CVGHM GROUND REPORTS INDICATE INTERMITTENT
DISCRETE EMISSIONS REMAIN ONGOING. HEIGHT AND MOVEMENT BASED
ON GROUND REPORTS AND MODEL GUIDANCE
NXT ADVISORY: NO LATER THAN 20251208/2050Z=