Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 and is moving at 20 kts in N direction.
The full report is as follows:
FVFE01 at 13:29 UTC, 06/12/25 from RJTD
VA ADVISORY
DTG: 20251206/1329Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2025/229
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: POSS ERUPTION OBS AT 20251206/1240Z FL120 EXTD N
OBS VA DTG: 06/1300Z
OBS VA CLD: SFC/FL120 N5656 E16124 – N5655 E16129 – N5642 E16126 –
N5643 E16122 MOV N 20KT
FCST VA CLD +6 HR: 06/1900Z SFC/FL120 N5857 E16156 – N5737 E16227 –
N5722 E16151 – N5850 E16112
FCST VA CLD +12 HR: 07/0100Z SFC/FL110 N6058 E16201 – N5830 E16310 –
N5800 E16215 – N6040 E16058
FCST VA CLD +18 HR: NO VA EXP
RMK: VA OF PREVIOUS VAA HAS DISSIPATED IN SATELLITE IMAGERY. NEW VA
OBS IN SATELLITE IMAGERY.
NXT ADVISORY: 20251206/1800Z=