Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 and is moving at 15 kts in S direction.
The full report is as follows:
FVFE01 at 06:00 UTC, 08/07/26 from RJTD
VA ADVISORY
DTG: 20260708/0600Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/249
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 08/0520Z
OBS VA CLD: SFC/FL230 N5313 E16025 – N5422 E16047 – N5647 E16656 –
N5629 E16710 MOV S 15KT SFC/FL280 N5139 E16115 – N5213 E16122 –
N5446 E16959 – N5413 E16922 MOV S 10KT
FCST VA CLD +6 HR: 08/1120Z SFC/FL230 N5629 E17123 – N5429 E16527 –
N5052 E15931 – N5403 E16151 – N5635 E16816 SFC/FL280 N5532 E17310 –
N5446 E17306 – N5249 E16611 – N4825 E15946 – N5026 E16004 – N5353
E16648
FCST VA CLD +12 HR: 08/1720Z SFC/FL230 N5654 E17443 – N5611 E17427 –
N5351 E16553 – N4818 E16026 – N4813 E15858 – N5416 E16337 – N5615
E16849 SFC/FL270 N5625 E17716 – N5532 E17705 – N5241 E16615 – N4631
E16235 – N4629 E16028 – N4801 E16045 – N5359 E16626
FCST VA CLD +18 HR: NO VA EXP
RMK: NORTHERN PART OF VA[FL230] OBSCURED BY MET CLOUD.
NXT ADVISORY: 20260708/1200Z=