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Sheveluch Volcanic Ash Advisory: ash plume to 12,000 ft (3,700 m) as of Aug 16, 01:50 UTC

Satellite image of Sheveluch volcano on 16 Aug 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 12000 ft (3700 m), or flight level 120, and moving at 35 kts in SE direction.

Original VAAC bulletin:

FVFE01 at 02:12 UTC, 16/08/26 from RJTD
VA ADVISORY
DTG: 20260816/0212Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/328
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: POSS ERUPTION OBS AT 20260816/0140Z FL120 EXTD SE
OBS VA DTG: 16/0150Z
OBS VA CLD: SFC/FL120 N5644 E16124 - N5638 E16135 - N5633 E16129 - 
N5637 E16119 MOV SE 35KT
FCST VA CLD +6 HR: 16/0750Z SFC/FL120 N5514 E16659 - N5448 E16635 - 
N5441 E16512 - N5508 E16510
FCST VA CLD +12 HR: 16/1350Z SFC/FL110 N5339 E17054 - N5253 E17117 - 

N5227 E16751 - N5254 E16738
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20260816/0600Z=
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Ibu Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Aug 15, 21:48 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070.

Original VAAC bulletin:

FVAU03 at 21:48 UTC, 15/08/26 from ADRM
VA ADVISORY
DTG: 20260815/2150Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/924
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 REP AT 15/1331Z MOV NE
EST VA DTG: 15/2130Z
EST VA CLD: SFC/FL070 N0127 E12735 - N0133 E12734 - N0153
 E12801 - N0138 E12814 - N0122 E12808 MOV NE 05KT
FCST VA CLD +6 HR: 16/0330Z SFC/FL070 N0125 E12736 - N0131
 E12730 - N0147 E12729 - N0155 E12804 - N0126 E12811
FCST VA CLD +12 HR: 16/0930Z SFC/FL070 N0126 E12734 - N0133
 E12735 - N0144 E12806 - N0128 E12814 - N0110 E12805
FCST VA CLD +18 HR: 16/1530Z SFC/FL070 N0128 E12735 - N0134
 E12736 - N0145 E12802 - N0130 E12813 - N0116 E12802
RMK: VA NOT IDENTIFIABLE ON CURRENT SAT IMG DUE TO MET
 CLOUD. GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS ARE
 ONGOING. VA HEIGHT AND MOVEMENT BASED ON PAST SATELLITE
 IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260816/0350Z=