Klyuchevskoy Volcanic Ash Advisory: ash plume to 20,000 ft (6,100 m) as of Aug 29, 11:20 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 20000 ft (6100 m), or flight level 200.
Original VAAC bulletin:

FVFE01 at 12:00 UTC, 29/08/26 from RJTD
VA ADVISORY
DTG: 20260829/1200Z
VAAC: TOKYO
VOLCANO: KLYUCHEVSKOY 300260
PSN: N5603 E16039
AREA: RUSSIA
SOURCE ELEV: 4754M AMSL
ADVISORY NR: 2026/52
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA EMISSIONS CONTINUING
OBS VA DTG: 29/1120Z
OBS VA CLD: SFC/FL200 N5603 E16038 - N5638 E16107 - N5628 E16115 MOV

NE 20KT
FCST VA CLD +6 HR: 29/1720Z SFC/FL220 N5802 E16453 - N5602 E16038 -
N5554 E15847 - N5650 E16004
FCST VA CLD +12 HR: 29/2320Z SFC/FL250 N6027 E17257 - N5601 E16038 -

N5513 E15619 - N5621 E15719 - N5828 E16322
FCST VA CLD +18 HR: NO VA EXP
RMK: EASTERN PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20260829/1800Z=

Fuego Volcanic Ash Advisory: ash plume to 15,000 ft (4,600 m) as of Aug 29, 06:00 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.
Original VAAC bulletin:

FVXX20 at 06:30 UTC, 29/08/26 from KNES
VA ADVISORY
DTG: 20260829/0627Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SOURCE ELEV: 12346 FT AMSL

ADVISORY NR: 2026/1012

INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.

ERUPTION DETAILS: CONTG VA EMS.

OBS VA DTG: 29/0600Z

OBS VA CLD: SFC/FL150 N1435 W09134 - N1429 W09052
- N1427 W09052 - N1426 W09134 - N1435 W09134 MOV
W 20KT

FCST VA CLD +6HR: 29/1200Z SFC/FL150 N1440 W09134
- N1429 W09052 - N1428 W09052 - N1430 W09135 -
N1440 W09134

FCST VA CLD +12HR: 29/1800Z SFC/FL150 N1440
W09135 - N1429 W09052 - N1427 W09052 - N1429
W09137 - N1440 W09135

FCST VA CLD +18HR: 30/0000Z SFC/FL150 N1441
W09136 - N1429 W09053 - N1427 W09052 - N1429
W09137 - N1441 W09136

RMK: VA EMS OBS IN SAT AND WEBCAM MOV W FM
SUMMIT WITH INTMT MET CLD OBSCN. OBS VA FL ESTD
FM NWP MDLS. LTLCG FCST IN FL MVMT THRU T+18 HRS.
...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20260829/1230Z

Klyuchevskoy Volcanic Ash Advisory: ash plume to 20,000 ft (6,100 m) as of Aug 29, 03:40 UTC

Satellite image of Klyuchevskoy volcano on 29 Aug 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 20000 ft (6100 m), or flight level 200, and moving at 35 kts in E direction.
Original VAAC bulletin:

FVFE01 at 04:11 UTC, 29/08/26 from RJTD
VA ADVISORY
DTG: 20260829/0410Z
VAAC: TOKYO
VOLCANO: KLYUCHEVSKOY 300260
PSN: N5603 E16039
AREA: RUSSIA
SOURCE ELEV: 4754M AMSL
ADVISORY NR: 2026/50
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA AT 20260829/0340Z FL200 EXTD E
OBS VA DTG: 29/0340Z
OBS VA CLD: SFC/FL200 N5607 E16037 - N5622 E16132 - N5613 E16139 -
N5601 E16040 MOV E 35KT
FCST VA CLD +6 HR: 29/0940Z SFC/FL200 N5655 E16705 - N5635 E16545 -
N5624 E16257 - N5646 E16443
FCST VA CLD +12 HR: 29/1540Z SFC/FL220 N5829 E17257 - N5820 E17415 -

N5737 E16515 - N5809 E16826
FCST VA CLD +18 HR: NO VA EXP
RMK: WESTERN PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20260829/0600Z=

Aoba Volcanic Ash Advisory: ash plume to 15,000 ft (4,600 m) as of Aug 28, 22:37 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Wellington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150, and moving at 15 kts in SE direction.
Original VAAC bulletin:

FVPS01 at 22:38 UTC, 28/08/26 from NZKL
VA ADVISORY
DTG: 20260828/2237Z
VAAC: WELLINGTON
VOLCANO: AMBAE 257030
PSN: S1523 E16750
AREA: VANUATU
SOURCE ELEV: 1496M AMSL
ADVISORY NR: 2026/353
INFO SOURCE: HIMAWARI SATELLITE IMAGERY
ERUPTION DETAILS: ERUPTION AT 20260828/2130Z MODERATE
ERUPTION
OBS VA DTG: 28/2237Z
OBS VA CLD: SFC/FL150 S1518 E16748 - S1520 E16816 - S1537
E16817 - S1526 E16744 MOV SE 15KT
FCST VA CLD +6 HR: 29/0437Z NOT AVBL
FCST VA CLD +12 HR: 29/1037Z NOT AVBL
FCST VA CLD +18 HR: 29/1637Z NOT AVBL
RMK: MORE INFORMATION TO FOLLOW SHORTLY.
NXT ADVISORY: NO LATER THAN 20260829/0437Z=

Lewotobi Volcanic Ash Advisory

Satellite image of Lewotobi volcano on 28 Aug 2026

Intermittent eruptions were reported at Lewotobi, with ash movement toward the southwest at 15 knots. Ash height and forecasts are based on ground reports and model guidance, as satellite imagery could not identify ash due to clouds and darkness.
Original VAAC bulletin:

FVAU04 at 19:40 UTC, 28/08/26 from ADRM
VA ADVISORY
DTG: 20260828/1945Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/435
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 28/1621Z
EST VA DTG: 28/1930Z
EST VA CLD: SFC/FL090 S0834 E12248 - S0840 E12236 - S0836
E12231 - S0832 E12235 - S0831 E12247 MOV SW 15KT
FCST VA CLD +6 HR: 29/0130Z SFC/FL090 S0831 E12248 - S0835
E12250 - S0852 E12222 - S0846 E12210 - S0834 E12212
FCST VA CLD +12 HR: 29/0730Z SFC/FL090 S0834 E12250 - S0901
E12222 - S0847 E12208 - S0832 E12217 - S0829 E12248
FCST VA CLD +18 HR: 29/1330Z SFC/FL090 S0830 E12248 - S0835
E12250 - S0851 E12219 - S0843 E12208 - S0832 E12217
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY DUE TO
MET CLOUD AND DARKNESS. GROUND REPORTS SUGGEST INTERMITTENT
ERUPTIONS ARE ONGOING. VA HEIGHT AND FORECAST BASED ON
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260829/0145Z=