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 and is moving at 15 kts in SE direction.
The full report is as follows:
FVAU02 at 19:23 UTC, 28/07/26 from ADRM
VA ADVISORY
DTG: 20260728/1930Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/858
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 LAST REP AT 28/1355Z
EST VA DTG: 28/1900Z
EST VA CLD: SFC/FL150 S0806 E11251 – S0802 E11256 – S0821
E11316 – S0821 E11316 – S0830 E11302 MOV SE 15KT
FCST VA CLD +6 HR: 29/0100Z SFC/FL150 S0806 E11251 – S0802
E11256 – S0817 E11318 – S0829 E11305
FCST VA CLD +12 HR: 29/0700Z SFC/FL150 S0806 E11251 – S0802
E11256 – S0817 E11318 – S0829 E11305
FCST VA CLD +18 HR: 29/1300Z SFC/FL150 S0807 E11252 – S0802
E11256 – S0814 E11320 – S0826 E11310
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 20260729/0130Z=