Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 25000 ft (7600 m) altitude or flight level 250 and is moving at 35 kts in SE direction.
The full report is as follows:
FVFE01 at 18:00 UTC, 22/05/26 from RJTD
VA ADVISORY
DTG: 20260522/1800Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/140
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 22/1720Z
OBS VA CLD: SFC/FL250 N5537 E16310 – N5411 E16435 – N5352 E16328 –
N5455 E16329 MOV SE 35KT
FCST VA CLD +6 HR: 22/2320Z SFC/FL250 N5214 E16727 – N5155 E16841 –
N5054 E16633 – N5243 E16648
FCST VA CLD +12 HR: 23/0520Z SFC/FL240 N5116 E17422 – N4923 E17053 –
N5044 E17111
FCST VA CLD +18 HR: 23/1120Z SFC/FL220 N5106 W17942 – N5017 W17942 –
N4926 E17907 – N4850 E17657 – N4904 E17535
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20260523/0000Z=