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 07:29 UTC, 28/07/26 from ADRM
VA ADVISORY
DTG: 20260728/0730Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/856
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 LAST REP AT 28/0223Z MOV SSE
EST VA DTG: 28/0710Z
EST VA CLD: SFC/FL150 S0806 E11251 – S0802 E11256 – S0825
E11311 – S0832 E11256 MOV SE 15KT
FCST VA CLD +6 HR: 28/1310Z SFC/FL150 S0806 E11251 – S0802
E11256 – S0824 E11312 – S0832 E11257
FCST VA CLD +12 HR: 28/1910Z SFC/FL150 S0806 E11251 – S0802
E11256 – S0821 E11316 – S0821 E11316 – S0830 E11302
FCST VA CLD +18 HR: 29/0110Z SFC/FL150 S0806 E11251 – S0802
E11256 – S0817 E11318 – S0829 E11305
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. MULTIPLE GROUND REPORTS INDICATE INTERMITTENT VA
ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260728/1330Z=