FVXX23 KNES 121711 VA ADVISORY DTG: 20210312/1711Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/173 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL VA CLDS OBS IN SUMMIT WEBCAM OBS VA DTG: 12/1650Z OBS VA CLD: SFC/FL150 S0004 W07739 - S0007 W07732 - S0011 W07735 - S0005 W07740 - S0004 W07739 MOV SE 5KT FCST VA CLD +6HR: 12/2300Z SFC/FL150 S0003 W07739 - S0008 W07729 - S0015 W07734 - S0005 W07741 - S0003 W07739 FCST VA CLD +12HR: 13/0500Z NO VA EXP FCST VA CLD +18HR: 13/1100Z NO VA EXP RMK: OCNL VA CLDS OBS IN SUMMIT WEBCAM. LOW CONF WITH VAA DUE TO WX CLDS OVER REGION. VA HGT/DIR FM PREV VAA, STLT, AND NWP MDLS SHOWS CONT SE-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210312/2315Z