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Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 28000 ft (8500 m) altitude or flight level 280 and is moving at 20 kts in N direction.
The full report is as follows:

FVFE01 at 12:00 UTC, 04/07/26 from RJTD
VA ADVISORY
DTG: 20260704/1200Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/229
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 04/1120Z
OBS VA CLD: SFC/FL280 N6110 E15704 – N6158 E15828 – N6031 E16004 –
N5937 E15840 MOV N 20KT
FCST VA CLD +6 HR: 04/1720Z SFC/FL280 N6507 E15713 – N6310 E15836 –
N6112 E15836 – N6133 E15654 – N6416 E15601
FCST VA CLD +12 HR: 04/2320Z SFC/FL270 N6942 E15728 – N6726 E15904 –

N6224 E15900 – N6321 E15630
FCST VA CLD +18 HR: NO VA EXP
RMK: THE RESPONSIBILITY FOR THIS ASH EVENT IS BEING TRANSFERRED TO
VAAC ANCHORAGE. THE NEXT ADVISORY WILL BE ISSUED BY VAAC ANCHORAGE
BY 1800UTC UNDER HEADER FVAK21 PAWU. SOME PART OF VA OBSCURED BY MET

CLOUD.
NXT ADVISORY: NO FURTHER ADVISORIES=

Satellite image of Lewotobi volcano on 4 Jul 2026

Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:

FVAU04 at 09:59 UTC, 04/07/26 from ADRM
VA ADVISORY
DTG: 20260704/1000Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/208
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA LAST REPORTED AT 04/0435Z
EST VA DTG: 04/0940Z
EST VA CLD: SFC/FL090 S0835 E12247 – S0838 E12222 – S0823
E12219 – S0814 E12231 – S0832 E12248 MOV NW 05KT
FCST VA CLD +6 HR: 04/1540Z SFC/FL090 S0835 E12247 – S0838
E12219 – S0821 E12216 – S0813 E12231 – S0831 E12248
FCST VA CLD +12 HR: 04/2140Z SFC/FL090 S0835 E12247 – S0838
E12221 – S0823 E12218 – S0815 E12230 – S0831 E12249
FCST VA CLD +18 HR: 05/0340Z SFC/FL090 S0835 E12247 – S0838
E12221 – S0823 E12219 – S0813 E12233 – S0831 E12248
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGE DUE TO
MET CLD. GROUND REPORTS INDICATE ONGOING INTERMITTENT
EMISSIONS. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY,
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260704/1600Z=

Satellite image of Shiveluch volcano on 4 Jul 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 10 kts in N direction.
The full report is as follows:

FVFE01 at 03:00 UTC, 04/07/26 from RJTD
VA ADVISORY
DTG: 20260704/0300Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/227
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 04/0230Z
OBS VA CLD: SFC/FL150 N5945 E15854 – N5944 E15944 – N5905 E15935 –
N5830 E15843 – N5848 E15826 – N5914 E15905 MOV N 10KT SFC/FL350
N5821 E15958 – N5803 E16044 – N5733 E16019 – N5748 E15933 MOV NW
20KT
FCST VA CLD +6 HR: 04/0830Z SFC/FL150 N6132 E15956 – N5926 E15956 –
N5926 E15820 – N6132 E15820 SFC/FL350 N6015 E15939 – N5849 E15939 –
N5849 E15807 – N6015 E15807
FCST VA CLD +12 HR: 04/1430Z SFC/FL150 N6154 E16023 – N6011 E16023 –

N6023 E15850 – N6342 E15802 SFC/FL350 N6259 E15805 – N6049 E15811 –
N6036 E15637 – N6307 E15657
FCST VA CLD +18 HR: 04/2030Z SFC/FL350 N6627 E15723 – N6446 E15807 –

N6259 E15737 – N6239 E15551 – N6446 E15551 – N6639 E15612
RMK: VA [NORTH PART] HEIGHT UPDATED TO FL150 BASED ON SATELLITE
DATA.
NXT ADVISORY: 20260704/0600Z=

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 and is moving at 10 kts in NE direction.
The full report is as follows:

FVAU03 at 23:24 UTC, 03/07/26 from ADRM
VA ADVISORY
DTG: 20260703/2330Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/748
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA OBS AT 03/2310Z
OBS VA DTG: 03/2310Z
OBS VA CLD: SFC/FL070 N0126 E12737 – N0130 E12735 – N0151
E12749 – N0147 E12801 – N0134 E12804 MOV NE 10KT
FCST VA CLD +6 HR: 04/0510Z SFC/FL070 N0126 E12736 – N0130
E12735 – N0150 E12756 – N0142 E12807 – N0131 E12807
FCST VA CLD +12 HR: 04/1110Z SFC/FL070 N0130 E12735 – N0149
E12757 – N0142 E12807 – N0131 E12807 – N0126 E12737
FCST VA CLD +18 HR: 04/1710Z SFC/FL070 N0126 E12737 – N0130
E12735 – N0149 E12756 – N0145 E12805 – N0135 E12807
RMK: VA OBS ON CURRENT SATELLITE IMAGE MOV NE. ONGING VA
EMISSIONS REPORTED. HEIGHT AND MOVEMENT BASED ON GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260704/0530Z=