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 12:04 UTC, 26/05/26 from ADRM
VA ADVISORY
DTG: 20260526/1200Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/596
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 REPORTED AT 26/1036Z MOV W
EST VA DTG: 26/1140Z
EST VA CLD: SFC/FL150 S0805 E11300 – S0819 E11257 – S0821
E11250 – S0817 E11238 – S0804 E11235 – S0754 E11243 – S0801
E11259 MOV W 05KT
FCST VA CLD +6 HR: 26/1740Z SFC/FL150 S0804 E11259 – S0818
E11257 – S0821 E11249 – S0816 E11239 – S0804 E11235 – S0755
E11244
FCST VA CLD +12 HR: 26/2340Z SFC/FL150 S0804 E11258 – S0819
E11256 – S0821 E11248 – S0816 E11237 – S0800 E11237 – S0757
E11247
FCST VA CLD +18 HR: 27/0540Z SFC/FL150 S0806 E11301 – S0819
E11257 – S0820 E11248 – S0816 E11237 – S0803 E11236 – S0755
E11242 – S0800 E11258
RMK: VA CURRENTLY UNIDENTIFIABLE ON LATEST SAT IMG DUE TO
MET CLOUD, HOWEVER RECENT GRND REPORTS INDICATE ONGOING
ERUPTION. LOW CONFIDENCE IN FORECAST DUE TO LIGHT AND
VARIABLE WINDS IN THE AREA.
NXT ADVISORY: NO LATER THAN 20260526/1800Z=