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