FVXX20 KNES 150539 VA ADVISORY DTG: 20190915/0539Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/993 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL EM OBS VA DTG: 15/0500Z OBS VA CLD: SFC/FL140 N0000 W07749 - S0003 W07738 - S0005 W07740 - S0004 W07750 - N0000 W07749 MOV W 15-20KT FCST VA CLD +6HR: 15/1100Z SFC/FL140 NO ASH EXP FCST VA CLD +12HR: 15/1700Z NO ASH EXP FCST VA CLD +18HR: 15/2300Z NO ASH EXP RMK: VA NOT SEEN IN STLT DUE TO WX CLD. OBS VA BASED ON MODEL FCST WINDS WITH HIGH CONFIDENCE GIVEN UNILATERAL WIND FLOW THROUGHOUT LARGE PORTION OF THE ATMOSPHERE. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20190915/1145Z