Possible volcanic ash emissions were reported for Santiaguito, but no ash plume was observed in satellite imagery as of September 8, 2026, 20:30 UTC. Forecasts indicate potential west-northwest movement of ash, but observations are uncertain due to meteorological clouds.Original VAAC bulletin:FVXX22 at 20:57 UTC, 08/09/26 from KNESVA ADVISORYDTG: 20260908/2054ZVAAC: WASHINGTONVOLCANO: SANTA MARIA 342030PSN: N1445 W09133AREA: GUATEMALASOURCE ELEV: 12287 FT AMSLADVISORY NR: 2026/512INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: PSBL VA EMSEST VA DTG: 08/2030ZEST VA CLD: SFC/FL140 N1448 W09144 - N1446 W09132- N1444 W09132 - N1441 W09144 - N1448 W09144 MOVW 15KT FCST VA CLD +6HR: 09/0230Z SFC/FL140 N1449 W09149- N1446 W09133 - N1444 W09133 - N1441 W09149 -N1449 W09149 FCST VA CLD +12HR: 09/0830Z SFC/FL140 N1452W09147 - N1446 W09132 - N1444 W09132 - N1444W09149 - N1452 W09147 FCST VA CLD +18HR: 09/1430Z NO VA EXPRMK: VA EMS NOT OBSD IN STLT IMG PSBLY DUE TO METCLDS. VA EMS MAY BE OBSCD. A MORE WNW MVMT EXP BYT+12 HRS. MVMT AND HGT BASED ON NWP MDLS....BERTALANNXT ADVISORY: WILL BE ISSUED BY 20260909/0300Z