Possible volcanic ash emissions were reported for Sangay based on satellite and model data as of 24 September 2026 at 23:10 UTC, but no ash plume height was observed. Forecasts indicate potential ash movement westward, with no ash expected after 25 September at 17:00 UTC.Original VAAC bulletin:FVXX25 at 23:45 UTC, 24/09/26 from KNESVA ADVISORYDTG: 20260924/2343ZVAAC: WASHINGTONVOLCANO: SANGAY 352090PSN: S0200 W07820AREA: ECUADORSOURCE ELEV: 17342 FT AMSLADVISORY NR: 2026/605INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL VA EMS.EST VA DTG: 24/2310ZEST VA CLD: SFC/FL200 S0154 W07828 - S0159 W07820- S0201 W07820 - S0158 W07831 - S0154 W07828 MOVW 10KT FCST VA CLD +6HR: 25/0500Z SFC/FL200 S0146 W07837- S0200 W07819 - S0202 W07820 - S0155 W07842 -S0146 W07837 FCST VA CLD +12HR: 25/1100Z SFC/FL200 S0147W07840 - S0159 W07820 - S0202 W07820 - S0157W07844 - S0147 W07840 FCST VA CLD +18HR: 25/1700Z NO VA EXPRMK: ALTHO WX CLD CVR IS CLRG OUT VA NOT CLRLYOBSD. PERHAPS A SML VA SIG OBSD MOVG WNW WHICHMATCHES NWP MDLS. NO VA OBSD ON WEBCAM EITHERWITH ONLY SLGT OBSCN. NWP MDLS FCST LTCG IN WINDSTHRU T+12HRS. ...HOSLEYNXT ADVISORY: WILL BE ISSUED BY 20260925/0545Z