Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140.
Original VAAC bulletin:
FVXX22 at 13:41 UTC, 01/09/26 from KNES
VA ADVISORY
DTG: 20260901/1339Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SOURCE ELEV: 12287 FT AMSL
ADVISORY NR: 2026/497
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBSD
OBS VA DTG: 01/1310Z
OBS VA CLD: SFC/FL140 N1450 W09156 - N1445 W09133
- N1444 W09133 - N1447 W09156 - N1450 W09156 MOV
W 20KT
FCST VA CLD +6HR: 01/1900Z SFC/FL140 N1445 W09134
- N1444 W09133 - N1438 W09156 - N1441 W09158 -
N1445 W09134
FCST VA CLD +12HR: 02/0100Z SFC/FL140 N1445
W09134 - N1444 W09133 - N1437 W09156 - N1442
W09158 - N1445 W09134
FCST VA CLD +18HR: 02/0700Z SFC/FL140 N1447
W09157 - N1445 W09133 - N1444 W09133 - N1443
W09158 - N1447 W09157
RMK: VA EMS OBSD ON VIS STLT IMG MOVNG W. VA EMS
SEEN ON WEBCAM AT 1213Z. NWP MDLS FCST MOVMT WSW
TO T+18. ...BUTLER
NXT ADVISORY: WILL BE ISSUED BY 20260901/1945Z