Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 13500 ft (4100 m), or flight level 135, and moving at 15 kts in SW direction.
Original VAAC bulletin:
FVXX20 at 13:43 UTC, 21/08/26 from KNES
VA ADVISORY
DTG: 20260821/1341Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/980
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA PLUME OBSD
OBS VA DTG: 21/1250Z
OBS VA CLD: SFC/FL135 N1437 W09137 - N1423 W09105
- N1429 W09053 - N1426 W09050 - N1419 W09104 -
N1431 W09140 - N1437 W09137 MOV SW 15KT
FCST VA CLD +6HR: 21/1900Z SFC/FL135 N1429 W09053
- N1426 W09050 - N1410 W09104 - N1419 W09150 -
N1428 W09148 - N1417 W09108 - N1429 W09053
FCST VA CLD +12HR: 22/0100Z SFC/FL135 N1429
W09053 - N1428 W09051 - N1356 W09132 - N1404
W09139 - N1429 W09053
FCST VA CLD +18HR: 22/0700Z SFC/FL135 N1501
W09139 - N1429 W09053 - N1425 W09053 - N1453
W09144 - N1501 W09139
RMK: VA PLUME OBSD ON STLT IMG. FQNT EMS SEEN ON
WEBCAM. NWP MDL FCST VA EMS GEN SW MOVMT THRU
T+12, THEN VA EMS MOVMT NW THRU T+18. FL ESTD
FROM WEBCAM. ...BUTLER
NXT ADVISORY: WILL BE ISSUED BY 20260821/1945Z