Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140.Original VAAC bulletin:FVXX21 at 11:19 UTC, 21/09/26 from KNESVA ADVISORYDTG: 20260921/1116ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/975INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL VA EMSOBS VA DTG: 21/1040ZOBS VA CLD: SFC/FL140 N0009 W07750 - S0005 W07739- S0007 W07739 - N0005 W07753 - N0009 W07750 MOVNW 5KT FCST VA CLD +6HR: 21/1630Z SFC/FL140 N0004 W07754- S0004 W07740 - S0006 W07739 - S0001 W07755 -N0004 W07754 FCST VA CLD +12HR: 21/2230Z SFC/FL140 N0002W07756 - S0004 W07739 - S0006 W07739 - S0004W07756 - N0002 W07756 FCST VA CLD +18HR: 22/0430Z SFC/FL140 S0000W07757 - S0005 W07740 - S0007 W07740 - S0007W07757 - S0000 W07757 RMK: VA EMS SEEN ON WEBCAM AND STLT IMG. VA EMSEXT APPRX 20NM NW. NWP MDLS FCST GEN NW/W MVMTTHRU T+18. ...BUTLERNXT ADVISORY: WILL BE ISSUED BY 20260921/1715Z