Satellite image of Reventador volcano on 4 Nov 2026Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.Original VAAC bulletin:FVXX21 at 02:57 UTC, 04/11/26 from KNESVA ADVISORYDTG: 20261104/0254ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0005 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/1163INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: RCNT VA OBSOBS VA DTG: 04/0220ZOBS VA CLD: SFC/FL150 S0002 W07753 - S0004 W07739- S0005 W07739 - S0007 W07754 - S0002 W07753 MOVW 5KT FCST VA CLD +6HR: 04/0830Z SFC/FL150 N0004 W07758- S0004 W07739 - S0005 W07739 - S0003 W07759 -N0004 W07758 FCST VA CLD +12HR: 04/1430Z SFC/FL150 N0005W07754 - S0004 W07739 - S0005 W07740 - S0001W07757 - N0005 W07754 FCST VA CLD +18HR: 04/2030Z SFC/FL150 N0004W07756 - S0004 W07739 - S0005 W07740 - S0003W07758 - N0004 W07756 RMK: RCNT VA EMS OBS IN STLT IMAGERY MOVG JUST WFM SUMMIT. OCNL VA EMS SEEN IN WEBCAM. VA FCSTTHRU T+18 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALENXT ADVISORY: WILL BE ISSUED BY 20261104/0900Z