Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 28000 ft (8500 m) altitude or flight level 280 and is moving at 25 kts in NW direction.
The full report is as follows:
FVFE01 at 12:00 UTC, 02/02/26 from RJTD
VA ADVISORY
DTG: 20260202/1200Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/28
INFO SOURCE: KVERT HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 02/1120Z
OBS VA CLD: SFC/FL280 N6102 E15841 – N6121 E15938 – N6016 E16013 –
N5939 E15858 MOV NW 25KT
FCST VA CLD +6 HR: 02/1720Z SFC/FL280 N6413 E15824 – N6226 E15819 –
N6205 E15604 – N6413 E15617
FCST VA CLD +12 HR: 02/2320Z SFC/FL280 N6724 E15733 – N6556 E15728 –
N6451 E15350 – N6724 E15353
FCST VA CLD +18 HR: NO VA EXP
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20260202/1800Z=