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 00:00 UTC, 26/05/26 from ADRM
VA ADVISORY
DTG: 20260526/0000Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/594
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 REPORTED AT 25/2328Z MOV W
EST VA DTG: 25/2330Z
EST VA CLD: SFC/FL150 S0809 E11258 – S0817 E11241 – S0805
E11235 – S0754 E11243 – S0802 E11259 MOV W 05KT
FCST VA CLD +6 HR: 26/0530Z SFC/FL150 S0804 E11259 – S0819
E11257 – S0821 E11250 – S0816 E11239 – S0805 E11235 – S0755
E11243
FCST VA CLD +12 HR: 26/1130Z SFC/FL150 S0804 E11259 – S0819
E11257 – S0817 E11238 – S0804 E11235 – S0754 E11243
FCST VA CLD +18 HR: 26/1730Z SFC/FL150 S0804 E11259 – S0818
E11257 – S0816 E11239 – S0804 E11235 – S0755 E11244
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 20260526/0600Z=