Occasional volcanic ash emissions have been reported for Reventador. Ash was not detected in satellite imagery, possibly due to meteorological cloud cover; continued emissions are considered likely based on recent activity. Forecasts indicate possible ash movement to the west-northwest through the next 12 hours.Original VAAC bulletin:FVXX21 at 02:11 UTC, 18/09/26 from KNESVA ADVISORYDTG: 20260918/0208ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/961INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: OCNL VA EMSEST VA DTG: 18/0140ZEST VA CLD: SFC/FL140 N0001 W07748 - S0004 W07739- S0005 W07740 - S0002 W07750 - N0001 W07748 MOVNW 10KT FCST VA CLD +6HR: 18/0730Z SFC/FL140 N0000 W07749- S0004 W07739 - S0005 W07740 - S0003 W07750 -N0000 W07749 FCST VA CLD +12HR: 18/1330Z SFC/FL140 S0000W07749 - S0004 W07740 - S0005 W07739 - S0004W07750 - S0000 W07749 FCST VA CLD +18HR: 18/1930Z NO VA EXPRMK: VA NOT DETECTED IN STLT IMG PSBLY DUE TO METCLD CVR. VA EMS LIKELY CONT BASED ON RCNT ACT.WNW MVMT EXP THRU T+12. FCST BASED ON MDL WINDS....GATLINGNXT ADVISORY: WILL BE ISSUED BY 20260918/0815Z