Krakatau Volcanic Ash Advisory: ash plume to 5,000 ft (1,500 m) as of Sep 3, 17:00 UTC

Satellite image of Krakatau volcano on 3 Sep 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 5000 ft (1500 m), or flight level 050.
Original VAAC bulletin:

FVAU04 at 17:00 UTC, 03/09/26 from ADRM
VA ADVISORY
DTG: 20260903/1710Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/159
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL050 OBS MOV W AT 03/1650Z
EST VA DTG: 03/1650Z
EST VA CLD: SFC/FL050 S0608 E10527 - S0616 E10455 - S0602
 E10447 - S0551 E10457 - S0603 E10527 MOV W 05KT
FCST VA CLD +6 HR: 03/2250Z SFC/FL050 S0607 E10527 - S0621
 E10500 - S0604 E10449 - S0548 E10500 - S0603 E10527
FCST VA CLD +12 HR: 04/0450Z SFC/FL050 S0608 E10528 - S0625
 E10505 - S0611 E10449 - S0552 E10458 - S0603 E10527
FCST VA CLD +18 HR: 04/1050Z SFC/FL050 S0606 E10528 - S0631
 E10520 - S0631 E10455 - S0606 E10452 - S0602 E10525
RMK: CONTINUOUS VA EMISSION IDENTIFIABLE ON RECENT SATELLITE
 IMAGERY. HEIGHT AND MOV BASED ON HIMAWARI-9 SATELLITE AND
 MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260903/2310Z=