Fuego Volcanic Ash Advisory: ash plume to 16,000 ft (4,900 m) as of Aug 13, 03:40 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 16000 ft (4900 m), or flight level 160.

Original VAAC bulletin:

FVXX20 at 04:12 UTC, 13/08/26 from KNES
VA ADVISORY
DTG: 20260813/0410Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SOURCE ELEV: 12346 FT AMSL

ADVISORY NR: 2026/941

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

ERUPTION DETAILS: VA EMS OBS

OBS VA DTG: 13/0340Z

OBS VA CLD: SFC/FL160 N1432 W09113 - N1429 W09053
- N1426 W09053 - N1421 W09120 - N1432 W09113 MOV
SW 15KT

FCST VA CLD +6HR: 13/0930Z SFC/FL160 N1429 W09052
- N1427 W09052 - N1417 W09129 - N1428 W09130 -
N1429 W09052

FCST VA CLD +12HR: 13/1530Z SFC/FL160 N1429
W09052 - N1426 W09052 - N1413 W09126 - N1421
W09129 - N1429 W09052

FCST VA CLD +18HR: 13/2130Z SFC/FL160 N1430
W09052 - N1426 W09052 - N1415 W09128 - N1424
W09130 - N1430 W09052

RMK: VA EMS OBS IN STLT IMG FANNING OUT TO THE SW
UP TO APPRX 27NM FM SUMMIT. VA EMS SEEN IN
WEBCAM. NWP MDL GUIDANCE FCSTS GEN SW MOVMT THRU
T+18. ...MONAGHAN

NXT ADVISORY: WILL BE ISSUED BY 20260813/1015Z

Krakatau Volcanic Ash Advisory: ash plume to 4,000 ft (1,200 m) as of Aug 12, 23:40 UTC

Satellite image of Krakatau volcano on 12 Aug 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 4000 ft (1200 m), or flight level 040, and moving at 05 kts in NW direction.

Original VAAC bulletin:

FVAU06 at 23:54 UTC, 12/08/26 from ADRM
VA ADVISORY
DTG: 20260813/0000Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/97
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA PLUME OBS AT 12/2340Z EXTD NW
OBS VA DTG: 12/2340Z
OBS VA CLD: SFC/FL040 S0612 E10530 - S0629 E10439 - S0600
E10415 - S0535 E10443 - S0600 E10533 MOV NW 05KT
FCST VA CLD +6 HR: 13/0540Z SFC/FL040 S0609 E10531 - S0632
E10424 - S0559 E10401 - S0538 E10430 - S0601 E10530
FCST VA CLD +12 HR: 13/1140Z SFC/FL040 S0605 E10533 - S0614
E10528 - S0616 E10448 - S0556 E10435 - S0533 E10452 - S0535
E10526
FCST VA CLD +18 HR: 13/1740Z SFC/FL040 S0614 E10527 - S0608
E10441 - S0535 E10437 - S0528 E10524 - S0604 E10534
RMK: CONTINUOUS VA EMISSION IDENTIFIABLE ON CURRENT
SATELLITE IMAGE. EMISSIONS ARE EXPECTED TO BE ONGOING.
HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260813/0600Z=