Volcanic ash emissions were observed on webcam at Reventador as of 8 September 2026, 19:40 UTC. Forecasts indicate little change in ash cloud movement and height through the next 18 hours.Original VAAC bulletin:FVXX21 at 20:14 UTC, 08/09/26 from KNESVA ADVISORYDTG: 20260908/2009ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/924INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS OBSD IN WEBCAMEST VA DTG: 08/1940ZEST VA CLD: SFC/FL140 S0001 W07750 - S0004 W07739- S0005 W07739 - S0006 W07750 - S0001 W07750 MOVW 10KT FCST VA CLD +6HR: 09/0130Z SFC/FL140 S0000 W07753- S0004 W07740 - S0005 W07740 - S0005 W07753 -S0000 W07753 FCST VA CLD +12HR: 09/0730Z SFC/FL140 S0001W07753 - S0004 W07739 - S0005 W07739 - S0007W07753 - S0001 W07753 FCST VA CLD +18HR: 09/1330Z SFC/FL140 S0001W07753 - S0004 W07739 - S0005 W07739 - S0006W07753 - S0001 W07753 RMK: VA EMS VSBL IN WEBCAM BUT NOT OBSD IN STLTIMG DUE TO MET CLDS. LTLCG IN FCST EXP THRU T+18HRS. MVMT AND HGT BASED ON WEBCAM OBS AND NWPMDLS. ...BERTALANNXT ADVISORY: WILL BE ISSUED BY 20260909/0215Z