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:
FVXX25 at 10:11 UTC, 09/11/26 from KNES
VA ADVISORY
DTG: 20261109/1008Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SOURCE ELEV: 12287 FT AMSL
ADVISORY NR: 2026/667
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 09/0940Z
OBS VA CLD: SFC/FL140 N1444 W09144 - N1442 W09143
- N1441 W09146 - N1444 W09147 - N1444 W09144 MOV
W 5KT
FCST VA CLD +6HR: 09/1530Z SFC/FL140 N1447 W09151
- N1446 W09132 - N1444 W09132 - N1442 W09151 -
N1447 W09151
FCST VA CLD +12HR: 09/2130Z SFC/FL140 N1446
W09151 - N1446 W09133 - N1444 W09132 - N1441
W09151 - N1446 W09151
FCST VA CLD +18HR: 10/0330Z SFC/FL140 N1448
W09150 - N1446 W09133 - N1445 W09133 - N1443
W09151 - N1448 W09150
RMK: VA EMS DETECTED IN WEBCAM AND STLT IMG EXT
APRX 15NM WSW FM SUMMIT. A GEN W MVMT EXP THRU
T+18. FCST BASED ON STLT AND MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20261109/1615Z