Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 22000 ft (6700 m), or flight level 220, and moving at 30 kts in SE direction.
Original VAAC bulletin:
FVFE01 at 18:00 UTC, 17/08/26 from RJTD
VA ADVISORY
DTG: 20260817/1800Z
VAAC: TOKYO
VOLCANO: KLYUCHEVSKOY 300260
PSN: N5603 E16039
AREA: RUSSIA
SOURCE ELEV: 4754M AMSL
ADVISORY NR: 2026/14
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: POSS VA EMISSIONS CONTINUING
OBS VA DTG: 17/1720Z
OBS VA CLD: SFC/FL220 N5613 E16041 - N5518 E16235 - N5505 E16222 -
N5602 E16035 MOV SE 30KT
FCST VA CLD +6 HR: 17/2320Z SFC/FL240 N5302 E16643 - N5229 E16645 -
N5526 E16258 - N5607 E16022 - N5624 E16117 - N5500 E16506
FCST VA CLD +12 HR: 18/0520Z SFC/FL240 N5616 E16608 - N5018 E17040 -
N4937 E17014 - N5429 E16544 - N5603 E16032 - N5708 E16227
FCST VA CLD +18 HR: 18/1120Z SFC/FL240 N5527 E16858 - N4710 E17403 -
N4649 E17252 - N5322 E16818 - N5605 E16032 - N5811 E16442
RMK: VA OBSCURED BY MET CLOUD. HOWEVER VA IS STILL EXPECTED IN THE
AREA.
NXT ADVISORY: 20260818/0000Z=