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Dukono Volcanic Ash Advisory: ash plume to 8,000 ft (2,400 m) as of Aug 16, 22:25 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 8000 ft (2400 m), or flight level 080.

Original VAAC bulletin:

FVAU01 at 22:25 UTC, 16/08/26 from ADRM
VA ADVISORY
DTG: 20260816/2220Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/634
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL080 OBS AT 16/2200Z MOV NE
EST VA DTG: 16/2200Z
EST VA CLD: SFC/FL080 N0129 E12749 - N0144 E12740 - N0213
 E12753 - N0201 E12834 - N0124 E12830 MOV NE 10KT
FCST VA CLD +6 HR: 17/0400Z SFC/FL080 N0132 E12749 - N0144
 E12740 - N0217 E12810 - N0156 E12838 - N0124 E12826
FCST VA CLD +12 HR: 17/1000Z SFC/FL080 N0131 E12748 - N0148
 E12738 - N0214 E12756 - N0205 E12838 - N0124 E12829
FCST VA CLD +18 HR: 17/1600Z SFC/FL080 N0130 E12749 - N0145
 E12739 - N0211 E12801 - N0204 E12837 - N0123 E12831
RMK: VA EMISSIONS IDENTIFIABLE ON SATELLITE IMAGERY BUT
 PARTIALLY OBSCURED BY MET CLOUD. EMISSIONS EXPECTED TO BE
 ONGOING. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY AND
 MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260817/0420Z=
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Reventador Volcanic Ash Advisory

Ongoing volcanic ash emissions are reported at Reventador. No observed ash plume height is available; forecasts indicate ash may reach up to FL140 and move west as of August 16, 2026, 16:30 UTC.

Original VAAC bulletin:

FVXX22 at 16:55 UTC, 16/08/26 from KNES
VA ADVISORY
DTG: 20260816/1653Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/832

INFO SOURCE: GOES-19. NWP MODELS. 

ERUPTION DETAILS: ONGOING VA EMS

EST VA DTG: 16/1630Z

EST VA CLD: SFC/FL140 N0001 W07756 - S0004 W07740
- S0005 W07739 - S0006 W07756 - N0001 W07756 MOV
W 10KT 

FCST VA CLD +6HR: 16/2230Z SFC/FL140 N0002 W07759
- S0004 W07740 - S0005 W07740 - S0007 W07758 -
N0002 W07759 

FCST VA CLD +12HR: 17/0430Z SFC/FL140 N0005
W07758 - S0004 W07739 - S0005 W07740 - S0002
W07759 - N0005 W07758 

FCST VA CLD +18HR: 17/1030Z SFC/FL140 N0006
W07758 - S0004 W07739 - S0005 W07740 - S0002
W07759 - N0006 W07758 

RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. VA EMS LIKELY CONTINUE GIVEN RECENT
ACTVTY. MDL WINDS AT FL FCST TO VEER BY T+12 HR
BECMG MORE FM THE ESE. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20260816/2300Z
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Krakatau Volcanic Ash Advisory: ash plume to 5,000 ft (1,500 m) as of Aug 16, 13:40 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 5000 ft (1500 m), or flight level 050.

Original VAAC bulletin:

FVAU05 at 13:55 UTC, 16/08/26 from ADRM
VA ADVISORY
DTG: 20260816/1400Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/109
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL050 OBS AT 16/1340Z MOV NW
OBS VA DTG: 16/1340Z
OBS VA CLD: SFC/FL050 S0617 E10532 - S0624 E10501 - S0549
 E10501 - S0537 E10533 - S0606 E10538 MOV NW 05KT
FCST VA CLD +6 HR: 16/1940Z SFC/FL050 S0612 E10535 - S0624
 E10502 - S0555 E10458 - S0537 E10518 - S0542 E10546
FCST VA CLD +12 HR: 17/0140Z SFC/FL050 S0612 E10535 - S0624
 E10501 - S0552 E10500 - S0536 E10525 - S0546 E10554
FCST VA CLD +18 HR: 17/0740Z SFC/FL050 S0612 E10535 - S0624
 E10501 - S0600 E10457 - S0540 E10511 - S0538 E10538
RMK: VA PARTIALLY IDENTIFIABLE ON SATELLITE IMAGERY AMONG
 MET CLOUD. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY,
 GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260816/2000Z=