The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin.
Original VAAC bulletin:
FVXX22 at 13:22 UTC, 18/10/26 from KNES
VA ADVISORY
DTG: 20261018/1319Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SOURCE ELEV: 12287 FT AMSL
ADVISORY NR: 2026/610
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FREQUENT VA EMS
EST VA DTG: 18/1250Z
EST VA CLD: SFC/FL140 N1446 W09133 - N1445 W09132
- N1437 W09139 - N1440 W09141 - N1446 W09133 MOV
SW 15KT
FCST VA CLD +6HR: 18/1900Z SFC/FL140 N1446 W09133
- N1445 W09132 - N1437 W09139 - N1440 W09142 -
N1446 W09133
FCST VA CLD +12HR: 19/0100Z SFC/FL140 N1446
W09133 - N1445 W09132 - N1437 W09139 - N1440
W09142 - N1446 W09133
FCST VA CLD +18HR: 19/0700Z SFC/FL140 N1446
W09133 - N1445 W09132 - N1440 W09142 - N1443
W09143 - N1446 W09133
RMK: VA EMS OBS IN WEBCAM. VA NOT DETECTED IN
STLT IMG. MDL WINDS SUG SW MVMT TO SHIFT WSW BY
T+18. FCST CONFIDENCE LOW. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20261018/1915Z