FVXX21 KNES 161505 VA ADVISORY DTG: 20211016/1505Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/906 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 16/1420Z OBS VA CLD: SFC/FL160 S0004 W07739 - S0019 W07759 - S0008 W07804 - S0004 W07739 MOV SW 10KT FCST VA CLD +6HR: 16/2030Z SFC/FL160 S0003 W07739 - S0019 W07758 - S0009 W07805 - S0003 W07739 FCST VA CLD +12HR: 17/0230Z NO VA EXP FCST VA CLD +18HR: 17/0830Z NO VA EXP RMK: CONT VA EMS OBS IN WEBCMERA. VA FCST TO CONT SW MOV THRU T+6HRS BEFORE DISP. VO ACT LOW TO MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20211016/2100Z