The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin.
Original VAAC bulletin:
FVXX22 at 14:29 UTC, 15/09/26 from KNES
VA ADVISORY
DTG: 20260915/1427Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SOURCE ELEV: 12287 FT AMSL
ADVISORY NR: 2026/540
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA SEEN ON WEBCAM
EST VA DTG: 15/1410Z
EST VA CLD: SFC/FL140 N1447 W09148 - N1445 W09132
- N1444 W09132 - N1442 W09149 - N1447 W09148 MOV
W 15KT
FCST VA CLD +6HR: 15/2000Z SFC/FL140 N1445 W09132
- N1444 W09131 - N1438 W09147 - N1444 W09148 -
N1445 W09132
FCST VA CLD +12HR: 16/0200Z SFC/FL140 N1446
W09149 - N1446 W09132 - N1445 W09132 - N1440
W09149 - N1446 W09149
FCST VA CLD +18HR: 16/0800Z SFC/FL140 N1446
W09149 - N1445 W09131 - N1444 W09131 - N1438
W09149 - N1446 W09149
RMK: VA EMS SEEN ON WEBCAM. WX CLDS OBSC STLT
IMG. NWP MDLS FCST LTLCG IN FL WINDS THRU T+18.
...BUTLER
NXT ADVISORY: WILL BE ISSUED BY 20260915/2030Z