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 05 kts in SW direction.
The full report is as follows:
FVAU02 at 15:13 UTC, 31/03/26 from ADRM
VA ADVISORY
DTG: 20260331/1530Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/369
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 31/0310Z
EST VA DTG: 31/1510Z
EST VA CLD: SFC/FL150 S0757 E11259 – S0803 E11305 – S0824
E11303 – S0825 E11236 – S0759 E11237 MOV SW 05KT
FCST VA CLD +6 HR: 31/2110Z SFC/FL150 S0800 E11301 – S0825
E11304 – S0827 E11240 – S0807 E11232 – S0757 E11255
FCST VA CLD +12 HR: 01/0310Z SFC/FL150 S0757 E11251 – S0758
E11302 – S0819 E11311 – S0830 E11252 – S0816 E11236
FCST VA CLD +18 HR: 01/0910Z SFC/FL150 S0757 E11300 – S0816
E11314 – S0829 E11300 – S0822 E11240 – S0759 E11248
RMK: VA UNIDENTIFIABLE DUE TO OBSCURATION. INTERMITTENT VA
EMISSIONS EXPECTED TO BE ONGOING. VA HEIGHT AND MOVEMENT
BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE. WINDS BECOMING LIGHT REDUCING FORECAST CONFIDENCE.
NXT ADVISORY: NO LATER THAN 20260331/2130Z=