Volcanic ash emissions are considered likely at Sangay, but no ash plume was observed in satellite or webcam imagery as of November 4, 2026, 03:29 UTC. Forecasts indicate possible ash movement west of the summit through the next 18 hours.Original VAAC bulletin:FVXX24 at 03:31 UTC, 04/11/26 from KNESVA ADVISORYDTG: 20261104/0329ZVAAC: WASHINGTONVOLCANO: SANGAY 352090PSN: S0200 W07820AREA: ECUADORSOURCE ELEV: 17342 FT AMSLADVISORY NR: 2026/757INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS LIKELYEST VA DTG: 04/0250ZEST VA CLD: SFC/FL220 S0159 W07820 - S0201 W07820- S0207 W07837 - S0200 W07838 - S0159 W07820 MOVW 20KT FCST VA CLD +6HR: 04/0900Z SFC/FL220 S0159 W07820- S0201 W07819 - S0210 W07846 - S0201 W07849 -S0159 W07820 FCST VA CLD +12HR: 04/1500Z SFC/FL220 S0159W07820 - S0201 W07819 - S0209 W07835 - S0202W07838 - S0159 W07820 FCST VA CLD +18HR: 04/2100Z SFC/FL220 S0159W07820 - S0201 W07820 - S0211 W07835 - S0204W07837 - S0159 W07820 RMK: NO VA EMS CRNTLY OBS IN STLT IMAGERY OR SEENIN WEBCAM DUE TO WX CLDS. VA EMS REMAIN LIKELYGEN W OF SUMMIT. VA FCST THRU T+18 HRS BASED ONNWP MDLS. ...COVERDALENXT ADVISORY: WILL BE ISSUED BY 20261104/0930Z