FVXX20 KNES 162151 VA ADVISORY DTG: 20200116/2151Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2020/055 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONCL VA CLDS SEEN IN STLT IMAGERY OBS VA DTG: 16/2120Z OBS VA CLD: SFC/FL170 N0009 W07747 - S0004 W07737 - S0006 W07739 - N0002 W07755 - N0009 W07747 MOV NW 20-25KT FCST VA CLD +6HR: 17/0330Z SFC/FL170 NO ASH EXP FCST VA CLD +12HR: 17/0930Z NO ASH EXP FCST VA CLD +18HR: 17/1530Z NO ASH EXP RMK: OCNL LIGHT VA CLDS SEEN 12NM NW OF SUMMIT. VA HGT AND DIR FM NWP WHICH SHOWS NW-LY DIR. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20200117/0345Z