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Semeru Volcano Volcanic Ash Advisory: VA TO FL150 REP FM GND AT 05/0958Z MOV NW EST VA DTG: 05/1300Z to 15000 ft (4600 m)

Satellite image of Semeru volcano on 5 Aug 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows:

FVAU02 at 13:20 UTC, 05/08/26 from ADRM
VA ADVISORY
DTG: 20260805/1320Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/889
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 REP FM GND AT 05/0958Z MOV NW
EST VA DTG: 05/1300Z
EST VA CLD: SFC/FL150 S0808 E11254 – S0754 E11235 – S0743
E11241 – S0743 E11255 – S0806 E11258 MOV NW 05KT
FCST VA CLD +6 HR: 05/1900Z SFC/FL150 S0808 E11254 – S0755
E11234 – S0743 E11241 – S0744 E11254 – S0807 E11258
FCST VA CLD +12 HR: 06/0100Z SFC/FL150 S0809 E11255 – S0800
E11225 – S0742 E11243 – S0805 E11259
FCST VA CLD +18 HR: 06/0700Z SFC/FL150 S0808 E11257 – S0811
E11221 – S0744 E11230 – S0803 E11258
RMK: VA NOT IDENTIFIABLE ON RECENT SATELLITE IMAGERY DUE TO
MET CLOUD. HOWEVER, DISCRETE EMISSIONS ARE EXPECTED TO BE
ONGOING. VA HEIGHT AND FORECAST BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260805/1920Z=

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Ibu Volcano Volcanic Ash Advisory: VA TO FL070 OBS MOV E AT 05/1110Z OBS VA DTG: 05/1110Z to 7000 ft (2100 m)

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 .
The full report is as follows:

FVAU03 at 11:27 UTC, 05/08/26 from ADRM
VA ADVISORY
DTG: 20260805/1125Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/880
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS MOV E AT 05/1110Z
OBS VA DTG: 05/1110Z
OBS VA CLD: SFC/FL070 N0128 E12736 – N0134 E12735 – N0146
E12805 – N0130 E12815 – N0116 E12806 MOV E 15KT
FCST VA CLD +6 HR: 05/1710Z SFC/FL070 N0127 E12733 – N0135
E12734 – N0149 E12806 – N0130 E12817 – N0113 E12807
FCST VA CLD +12 HR: 05/2310Z SFC/FL070 N0126 E12733 – N0134
E12734 – N0147 E12806 – N0132 E12817 – N0112 E12807
FCST VA CLD +18 HR: 06/0510Z SFC/FL070 N0127 E12734 – N0133
E12734 – N0147 E12805 – N0132 E12815 – N0114 E12807
RMK: DISCRETE VA EMISSION IDENTIFIABLE ON RECENT SATELLITE
IMAGERY. GROUND REPORTS INDICATE ONGOING DISCRETE ERUPTIONS.
VA HEIGHT AND FCST BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260805/1725Z=