Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 16000 ft (4900 m), or flight level 160.Original VAAC bulletin:FVXX21 at 12:39 UTC, 20/10/26 from KNESVA ADVISORYDTG: 20261020/1236ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/1101INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL VA EMSOBS VA DTG: 20/1200ZOBS VA CLD: SFC/FL160 S0004 W07739 - S0005 W07738- S0014 W07750 - S0008 W07754 - S0004 W07739 MOVSW 5KT FCST VA CLD +6HR: 20/1800Z SFC/FL160 S0004 W07738- S0006 W07738 - S0016 W07755 - S0010 W07758 -S0004 W07738 FCST VA CLD +12HR: 21/0000Z SFC/FL160 S0005W07739 - S0006 W07738 - S0014 W07756 - S0007W07758 - S0005 W07739 FCST VA CLD +18HR: 21/0600Z SFC/FL160 S0004W07739 - S0005 W07738 - S0013 W07752 - S0007W07754 - S0004 W07739 RMK: VA EMS CLD OBSD ON STLT IMG MOVG SW FMSUMMIT. NWP MDLS FCST GEN SW MVMT THRU T+18. FLBASED ON PREV VAA. ...BUTLERNXT ADVISORY: WILL BE ISSUED BY 20261020/1830Z