Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 17000 ft (5200 m) altitude or flight level 170 .
The full report is as follows:
FVAU02 at 11:52 UTC, 25/05/26 from ADRM
VA ADVISORY
DTG: 20260525/1200Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/592
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL170 REPORTED AT 25/0910Z MOV N
EST VA DTG: 25/1140Z
EST VA CLD: SFC/FL150 S0809 E11252 – S0742 E11242 – S0746
E11309 – S0809 E11259 MOV N 10KT
FCST VA CLD +6 HR: 25/1740Z SFC/FL150 S0809 E11252 – S0742
E11246 – S0746 E11309 – S0809 E11259
FCST VA CLD +12 HR: 25/2340Z SFC/FL150 S0806 E11250 – S0743
E11256 – S0753 E11317 – S0811 E11259
FCST VA CLD +18 HR: 26/0540Z SFC/FL150 S0805 E11250 – S0743
E11256 – S0753 E11317 – S0811 E11259
RMK: VA CURRENTLY UNIDENTIFIABLE ON LATEST SATELLITE IMAGERY
DUE TO MET CLOUD, HOWEVER RECENT GROUND REPORTS INDICATE
ONGOING ERUPTION. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-9
IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260525/1800Z=