Volcanic ash emissions are considered likely at Reventador based on webcam observations as of 22 August 2026, 10:10 UTC. Satellite detection was hindered by weather clouds; model forecasts suggest ash movement toward the northwest.Original VAAC bulletin:FVXX22 at 10:41 UTC, 22/08/26 from KNESVA ADVISORYDTG: 20260822/1038ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/855INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS LIKELY EST VA DTG: 22/1010ZEST VA CLD: SFC/FL140 N0000 W07743 - S0004 W07739- S0005 W07740 - S0004 W07746 - N0000 W07743 MOVNW 15KT FCST VA CLD +6HR: 22/1600Z SFC/FL140 N0005 W07752- S0004 W07738 - S0005 W07739 - S0001 W07755 -N0005 W07752 FCST VA CLD +12HR: 22/2200Z SFC/FL140 N0007W07749 - S0004 W07738 - S0005 W07739 - N0002W07753 - N0007 W07749 FCST VA CLD +18HR: 23/0400Z SFC/FL140 N0005W07751 - S0004 W07739 - S0005 W07739 - N0000W07754 - N0005 W07751 RMK: VA EMS NOT OBS ON STLT DUE TO WX CLD CVR.VOLC ACTIVITY NOTED IN WEBCAM SO EMS LIKELYONGOING. NWP MDLS SUG VA MVMT TWD THE NW WITHLTLCG THRU T+18. ...EVANSNXT ADVISORY: WILL BE ISSUED BY 20260822/1645Z