Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 17000 ft (5200 m), or flight level 170.Original VAAC bulletin:FVXX21 at 11:29 UTC, 22/10/26 from KNESVA ADVISORYDTG: 20261022/1125ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/1109INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EM CONTOBS VA DTG: 22/1100ZOBS VA CLD: SFC/FL170 N0003 W07747 - S0004 W07739- S0005 W07740 - S0002 W07750 - N0003 W07747 MOVNW 10KT FCST VA CLD +6HR: 22/1700Z SFC/FL170 N0006 W07745- S0004 W07739 - S0005 W07740 - S0000 W07751 -N0006 W07745 FCST VA CLD +12HR: 22/2300Z SFC/FL170 N0007W07735 - S0005 W07738 - S0005 W07740 - N0005W07744 - N0007 W07735 FCST VA CLD +18HR: 23/0500Z SFC/FL170 N0006W07747 - S0004 W07738 - S0005 W07739 - S0004W07752 - N0006 W07747 RMK: VA EM OBSD IN SAT AND WEBCAM. VA CLD EXTDAPRX 10 NM NW FM SUMMIT AMONG MET CLD. VA FLBASED ON OBS BY WEBCAM, SAT AND MDL GUIDANCE. NWP MDL FCST VEERING THRU T+12HRS THEN BACKING THRU T+18HRS. ...ZENGNXT ADVISORY: WILL BE ISSUED BY 20261022/1730Z