Occasional volcanic ash emissions were observed from Santiaguito, with satellite views obscured by weather clouds. Forecasts indicate continued southeast movement of ash through the next 18 hours.Original VAAC bulletin:FVXX26 at 14:12 UTC, 29/09/26 from KNESVA ADVISORYDTG: 20260929/1410ZVAAC: WASHINGTONVOLCANO: SANTA MARIA 342030PSN: N1445 W09133AREA: GUATEMALASOURCE ELEV: 12287 FT AMSLADVISORY NR: 2026/582INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL VA EMSEST VA DTG: 29/1350ZEST VA CLD: SFC/FL140 N1446 W09132 - N1442 W09127- N1440 W09130 - N1445 W09133 - N1446 W09132 MOVSE 10KT FCST VA CLD +6HR: 29/2000Z SFC/FL140 N1445 W09133- N1445 W09132 - N1439 W09128 - N1438 W09132 -N1445 W09133 FCST VA CLD +12HR: 30/0200Z SFC/FL140 N1445W09133 - N1445 W09132 - N1439 W09131 - N1439W09134 - N1445 W09133 FCST VA CLD +18HR: 30/0800Z SFC/FL140 N1446W09132 - N1440 W09129 - N1439 W09132 - N1446W09133 - N1446 W09132 RMK: OCNL VA EMS SEEN ON WEBCAM. WX CLDS OBSCSTLT IMG. NWP MDLS FCST GEN SE MVMT THRU T+18. ...BUTLERNXT ADVISORY: WILL BE ISSUED BY 20260929/2015Z