Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 29000 ft (8800 m) altitude or flight level 290 .
The full report is as follows:
FVFE01 at 12:00 UTC, 18/06/26 from RJTD
VA ADVISORY
DTG: 20260618/1200Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/204
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 18/1120Z
OBS VA CLD: SFC/FL290 N5244 E15652 – N5353 E15451 – N5634 E15505 –
N5812 E15704 – N5836 E15922 – N5710 E15631 – N5436 E15544 MOV SW
10KT
FCST VA CLD +6 HR: 18/1720Z SFC/FL300 N5143 E15932 – N5007 E15852 –
N5105 E15441 – N5407 E15204 – N5631 E15244 – N5704 E15451 – N5422
E15356
FCST VA CLD +12 HR: NO VA EXP
FCST VA CLD +18 HR: NO VA EXP
RMK: VA OF PREVIOUS VAA[FL290 EAST] IS NOT IDENTIFIABLE DUE TO MET
CLOUD OR HAS DISSIPATED.
NXT ADVISORY: 20260618/1800Z=