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:
FVXX21 at 12:23 UTC, 14/08/26 from KNES
VA ADVISORY
DTG: 20260814/1221Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SOURCE ELEV: 12287 FT AMSL
ADVISORY NR: 2026/481
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: LGT VA EM
OBS VA DTG: 14/1200Z
OBS VA CLD: SFC/FL140 N1447 W09149 - N1446 W09132
- N1444 W09133 - N1443 W09149 - N1447 W09149 MOV
W 15KT
FCST VA CLD +6HR: 14/1800Z SFC/FL140 N1448 W09151
- N1446 W09132 - N1444 W09132 - N1437 W09148 -
N1448 W09151
FCST VA CLD +12HR: 15/0000Z NO VA EXP
FCST VA CLD +18HR: 15/0600Z NO VA EXP
RMK: LGT VA EM OBSD IN SAT AND VA CLD EXTD APRX
15 NM W FM SUMMIT. NWP MDL FCST SLIGHTLY BACKING
THRU T+6HRS. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20260814/1815Z