FVXX21 KNES 220257 VA ADVISORY DTG: 20171122/0257Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/684 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. ERUPTION DETAILS: VA EM CONTINUE OBS VA DTG: 22/0230Z OBS VA CLD: SFC/FL150 N0002 W07802 - S0002 W07740 - S0004 W07740 - S0014 W07802 - N0002 W07802 MOV W 10KT FCST VA CLD +6HR: 22/0830Z SFC/FL150 N0002 W07815 - S0001 W07740 - S0004 W07740 - S0020 W07814 - N0002 W07815 FCST VA CLD +12HR: 22/1430Z SFC/FL150 NO ASH EXP FCST VA CLD +18HR: 22/2030Z NO ASH EXP RMK: OCNL VA EM OBS ON STLT. PLUME EXTENDS ABOUT 25NM WSW OF THE SUMMIT. ...GAETANO NXT ADVISORY: WILL BE ISSUED BY 20171122/0900Z