FVXX21 KNES 181247 VA ADVISORY DTG: 20171218/1247Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/787 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING EMS OBS VA DTG: 18/1215Z OBS VA CLD: SFC/FL160 N0001 W07743 - S0004 W07738 - S0005 W07740 - S0002 W07746 - N0001 W07743 MOV W 15-20KT FCST VA CLD +6HR: 18/1830Z SFC/FL160 N0002 W07746 - S0004 W07738 - S0006 W07739 - S0004 W07749 - N0002 W07746 FCST VA CLD +12HR: 19/0030Z SFC/FL160 N0002 W07747 - S0004 W07738 - S0006 W07739 - S0004 W07750 - N0002 W07747 FCST VA CLD +18HR: 19/0630Z SFC/FL160 N0002 W07747 - S0004 W07738 - S0007 W07739 - S0003 W07750 - N0002 W07747 RMK: IMAGERY SHOWS OCNL PUFFS OF VA MOVING TOWARD THE WNW. WEBCAMERA IS CLOUDY. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20171218/1845Z