Ash emissions were observed on webcam at Reventador as of 23:10 UTC on August 30, 2026. Forecasts indicate little change in ash cloud movement and height over the next 18 hours.Original VAAC bulletin:FVXX21 at 23:51 UTC, 30/08/26 from KNESVA ADVISORYDTG: 20260830/2348ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/887INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS OBSD IN WEBCAMEST VA DTG: 30/2310ZEST VA CLD: SFC/FL140 N0001 W07749 - S0004 W07739- S0005 W07740 - S0004 W07751 - N0001 W07749 MOVNW 10KT FCST VA CLD +6HR: 31/0500Z SFC/FL140 N0004 W07752- S0004 W07739 - S0005 W07739 - S0002 W07756 -N0004 W07752 FCST VA CLD +12HR: 31/1100Z SFC/FL140 N0002W07753 - S0004 W07738 - S0005 W07739 - S0004W07755 - N0002 W07753 FCST VA CLD +18HR: 31/1700Z SFC/FL140 N0002W07753 - S0004 W07739 - S0005 W07739 - S0004W07755 - N0002 W07753 RMK: VA EMS VSBL IN WEBCAM BUT NOT OBSD IN STLTIMG DUE TO MET CLDS. LTLCG IN FCST THRU T+18 HRS.MVMT AND HGT BASED ON VONA, WEBCAM OBS AND NWPMDLS. ...BERTALANNXT ADVISORY: WILL BE ISSUED BY 20260831/0545Z