Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 and is moving at 15 kts in W direction.
The full report is as follows:
FVFE01 at 00:00 UTC, 04/06/26 from RJTD
VA ADVISORY
DTG: 20260604/0000Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/163
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 03/2320Z
OBS VA CLD: SFC/FL220 N5546 E15647 – N5633 E15748 – N5630 E15840 –
N5549 E15814 – N5532 E15654 MOV W 15KT
FCST VA CLD +6 HR: 04/0520Z SFC/FL230 N5616 E15709 – N5503 E15542 –
N5510 E15448 – N5550 E15435 – N5639 E15546
FCST VA CLD +12 HR: 04/1120Z SFC/FL230 N5631 E15556 – N5444 E15358 –
N5544 E15251 – N5639 E15249 – N5702 E15410
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20260604/0600Z=
