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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=
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Lewotolo Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Aug 15, 17:45 UTC

Satellite image of Lewotolo volcano on 15 Aug 2026

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:

FVAU06 at 17:45 UTC, 15/08/26 from ADRM
VA ADVISORY
DTG: 20260815/1750Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/153
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 REP AT 15/1102Z MOV W
EST VA DTG: 15/1730Z
EST VA CLD: SFC/FL070 S0812 E12336 - S0823 E12334 - S0823
 E12234 - S0800 E12235 - S0742 E12250 MOV W 15KT
FCST VA CLD +6 HR: 15/2330Z SFC/FL070 S0823 E12334 - S0818
 E12233 - S0756 E12232 - S0742 E12247 - S0810 E12336
FCST VA CLD +12 HR: 16/0530Z SFC/FL070 S0823 E12332 - S0810
 E12239 - S0749 E12237 - S0734 E12255 - S0811 E12337
FCST VA CLD +18 HR: 16/1130Z SFC/FL070 S0821 E12334 - S0830
 E12242 - S0804 E12237 - S0742 E12249 - S0811 E12335
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO
 DARKNESS. GROUND REPORTS INDICATE AN ONGOING ERUPTIONS.
 HEIGHT AND MOVEMENT BASED ON GROUND REPORT, MODEL GUIDANCE,
 AND RECENT SAT IMG.
NXT ADVISORY: NO LATER THAN 20260815/2350Z=