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 00:01 UTC, 28/05/26 from ADRM
VA ADVISORY
DTG: 20260528/0000Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/602
INFO SOURCE: HIMAWARI-9, WEBCAM, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 27/2340Z MOV SW
OBS VA DTG: 27/2340Z
OBS VA CLD: SFC/FL150 S0802 E11255 – S0805 E11259 – S0823
E11254 – S0825 E11243 – S0814 E11239 MOV SW 05KT
FCST VA CLD +6 HR: 28/0540Z SFC/FL150 S0803 E11252 – S0803
E11258 – S0820 E11306 – S0827 E11258 – S0822 E11247
FCST VA CLD +12 HR: 28/1140Z SFC/FL150 S0809 E11251 – S0802
E11252 – S0751 E11303 – S0801 E11311 – S0814 E11310 – S0823
E11258
FCST VA CLD +18 HR: 28/1740Z SFC/FL150 S0809 E11251 – S0802
E11252 – S0756 E11309 – S0809 E11313 – S0820 E11303
RMK: INTERMITTENT DISCRETE VA EMISSIONS IDENTIFIABLE ON
LATEST SATELLITE AND WEBCAM IMAGERY. HEIGHT AND MOVEMENT
BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260528/0600Z=