Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 .
The full report is as follows:
FVAU02 at 04:49 UTC, 09/05/26 from ADRM
VA ADVISORY
DTG: 20260509/0450Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/526
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL160 MOV NE
EST VA DTG: 09/0430Z
EST VA CLD: SFC/FL160 S0809 E11255 – S0807 E11252 – S0742
E11249 – S0742 E11311 – S0802 E11319 MOV NE 05KT
FCST VA CLD +6 HR: 09/1030Z SFC/FL160 S0808 E11254 – S0742
E11249 – S0743 E11311 – S0802 E11319
FCST VA CLD +12 HR: 09/1630Z SFC/FL160 S0808 E11253 – S0803
E11252 – S0751 E11316 – S0802 E11326 – S0815 E11324
FCST VA CLD +18 HR: 09/2230Z SFC/FL160 S0807 E11253 – S0803
E11253 – S0801 E11320 – S0818 E11329 – S0824 E11317
RMK: DISCRETE VA EMISSIONS PARTIALLY IDENTIFIABLE ON RECENT
RGB SATELLITE IMAGERY MOVING NE. GROUND REPORTS INDICATE VA
EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260509/1050Z=