FVXX22 KNES 180224 VA ADVISORY DTG: 20171218/0224Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/785 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: DISCRETE VA EMS OBS VA DTG: 18/0145Z OBS VA CLD: SFC/FL170 S0003 W07740 - S0007 W07739 - S0011 W07758 - S0003 W07757 - S0003 W07740 MOV W 10-20KT FCST VA CLD +6HR: 18/0800Z SFC/FL170 S0002 W07739 - S0006 W07738 - S0010 W07757 - S0003 W07757 - S0002 W07739 FCST VA CLD +12HR: 18/1400Z SFC/FL170 S0003 W07757 - S0004 W07739 - S0006 W07738 - S0011 W07757 - S0003 W07757 FCST VA CLD +18HR: 18/2000Z SFC/FL170 S0003 W07758 - S0004 W07738 - S0007 W07738 - S0010 W07758 - S0003 W07758 RMK: ONGOING LGT DISCRETE VA EMS OBS IN STLT MOVG W FM SUMMIT ARND 15KTS. VA QUICKLY BECOMES DIFFUSE. ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20171218/0830Z