Possible volcanic ash emissions were reported for Reventador, but no ash plume was observed in satellite imagery as of 23 October 2026, 04:10 UTC. Forecasts indicate potential movement of ash to the west-northwest, but confidence is low due to variable winds and cloud cover.Original VAAC bulletin:FVXX21 at 04:46 UTC, 23/10/26 from KNESVA ADVISORYDTG: 20261023/0443ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0005 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/1112INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: PSBL VA EMSEST VA DTG: 23/0410ZEST VA CLD: SFC/FL150 S0000 W07749 - S0004 W07739- S0005 W07740 - S0005 W07751 - S0000 W07749 MOVNW 5KT FCST VA CLD +6HR: 23/1000Z SFC/FL150 S0002 W07752- S0004 W07740 - S0005 W07739 - S0008 W07752 -S0002 W07752 FCST VA CLD +12HR: 23/1600Z NO VA EXPFCST VA CLD +18HR: 23/2200Z NO VA EXPRMK: VA EMS NOT OBSD IN STLT IMG PSBLY DUE TO METCLDS. VA EMS MAY BE OBSCD. WNW MVMT EXP TO SHIFTMORE W BY T+6 HRS. LOW CONF IN FCST DUE TO LGTAND VRBL WINDS. MVMT AND HGT BASED ON NWP MDLS....BERTALANNXT ADVISORY: WILL BE ISSUED BY 20261023/1045Z