FVXX22 KNES 211423 VA ADVISORY DTG: 20190821/1423Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/908 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL EM OBS VA DTG: 21/1400Z OBS VA CLD: SFC/FL170 N0013 W07805 - S0003 W07739 - S0005 W07740 - N0008 W07810 - N0013 W07805 MOV NW 30-35KT FCST VA CLD +6HR: 21/2000Z SFC/FL170 NO ASH EXP FCST VA CLD +12HR: 22/0200Z NO ASH EXP FCST VA CLD +18HR: 22/0800Z NO ASH EXP RMK: VA NOT SEEN IN STLT IMAGERY PRESUMABLY DUE TO WX CLD. OBS VA BASED ON MODEL GUIDANCE. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20190821/2030Z