A possible volcanic ash emission was reported for Reventador, but no ash plume was observed in satellite or webcam imagery as of October 3, 2026, 20:44 UTC. Forecasts indicate little change in ash cloud movement through the next six hours.Original VAAC bulletin:FVXX21 at 20:47 UTC, 03/10/26 from KNESVA ADVISORYDTG: 20261003/2044ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/1027INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: POSS VA EMEST VA DTG: 03/2020ZEST VA CLD: SFC/FL140 S0000 W07748 - S0004 W07739- S0005 W07738 - S0007 W07749 - S0000 W07748 MOVW 5KT FCST VA CLD +6HR: 04/0230Z SFC/FL140 N0002 W07750- S0004 W07739 - S0005 W07739 - S0008 W07751 -N0002 W07750 FCST VA CLD +12HR: 04/0830Z NO VA EXPFCST VA CLD +18HR: 04/1430Z NO VA EXPRMK: VA EM/CLD NOT OBSD IN SAT AND WEBCAM DUE TOMET CLD. VA FL/DIR BASED ON PREV VAA AND MDLGUIDANCE. NWP MDL FCST LTLCG THRU T+6HRS. ...ZENGNXT ADVISORY: WILL BE ISSUED BY 20261004/0245Z