FVXX22 KNES 172023 VA ADVISORY DTG: 20171217/2023Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/784 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: ONGOING VA EM OBS VA DTG: 17/1945Z OBS VA CLD: SFC/FL160 N0007 W07803 - S0004 W07739 - S0005 W07739 - S0007 W07804 - N0007 W07803 MOV W 10-15KT FCST VA CLD +6HR: 18/0200Z SFC/FL160 N0008 W07805 - S0004 W07739 - S0005 W07740 - S0008 W07807 - N0008 W07805 FCST VA CLD +12HR: 18/0800Z SFC/FL160 N0009 W07807 - S0004 W07739 - S0005 W07739 - S0009 W07807 - N0009 W07807 FCST VA CLD +18HR: 18/1400Z SFC/FL160 N0009 W07807 - S0004 W07739 - S0005 W07739 - S0009 W07807 - N0009 W07807 RMK: ONGOING VA EM SEEN IN STLT IMAGERY. VERY DIFFICULT TO SEE FULL EXTENT OF VA DUE TO WX CLDS. NWP MODEL GUIDANCE SHOWS A CONT W-WARD MOV THROUGH T+18 HRS. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20171218/0230Z