A volcanic ash advisory has been issued for Reventador. No ash plume height was observed or reported as of the latest bulletin on 15 August 2026 at 22:46 UTC. Forecasts indicate possible ash cloud movement, but current observations are limited due to weather conditions.Original VAAC bulletin:FVXX22 at 22:48 UTC, 15/08/26 from KNESVA ADVISORYDTG: 20260815/2246ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/829INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: EST VA DTG: 15/2220ZEST VA CLD: SFC/FL140 N0002 W07758 - S0004 W07739- S0005 W07740 - S0006 W07758 - N0002 W07758 MOVW 10KT FCST VA CLD +6HR: 16/0430Z SFC/FL140 N0002 W07758- S0004 W07739 - S0005 W07740 - S0006 W07758 -N0002 W07758 FCST VA CLD +12HR: 16/1030Z SFC/FL140 N0002W07758 - S0004 W07739 - S0005 W07739 - S0006W07758 - N0002 W07758 FCST VA CLD +18HR: 16/1630Z SFC/FL140 N0002W07758 - S0004 W07740 - S0004 W07740 - S0006W07758 - N0002 W07758 RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS INSUMMIT AREA. VONA INDICATES VA EMS. NO CHG FCSTTO MDL WINDS AT FL NXT 18 HR. ...KONONNXT ADVISORY: WILL BE ISSUED BY 20260816/0445Z