FVXX21 KNES 030941 VA ADVISORY DTG: 20211203/0941Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1103 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL VA EMS. OBS VA DTG: 03/0910Z OBS VA CLD: SFC/FL160 S0004 W07742 - S0006 W07740 - S0020 W07801 - S0014 W07805 - S0004 W07742 MOV SW 15KT FCST VA CLD +6HR: 03/1500Z SFC/FL160 S0004 W07741 - S0007 W07738 - S0028 W07813 - S0017 W07819 - S0004 W07741 FCST VA CLD +12HR: 03/2100Z SFC/FL160 S0004 W07740 - S0006 W07738 - S0023 W07816 - S0009 W07820 - S0004 W07740 FCST VA CLD +18HR: 04/0300Z SFC/FL160 S0004 W07740 - S0006 W07738 - S0019 W07819 - S0005 W07822 - S0004 W07740 RMK: VA CLDS OBSD EXTDG TO OVR 25 NMI SW OF SUMMIT. WEBCAM CONT TO SHOW INCANDESCENCE IMPLYING VOLCANIC ACT. NWP MDLS SUGGEST VA TO FL160 AND FCST GRADUAL VEERING THRU T+18. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20211203/1545Z