FVXX22 KNES 201121 VA ADVISORY DTG: 20190820/1121Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/903 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL EM OBS VA DTG: 20/1100Z OBS VA CLD: SFC/FL170 N0000 W07748 - S0004 W07738 - S0005 W07740 - S0002 W07750 - N0000 W07748 MOV NW 15-20KT FCST VA CLD +6HR: 20/1700Z SFC/FL170 N0001 W07749 - S0004 W07738 - S0005 W07739 - S0001 W07751 - N0001 W07749 FCST VA CLD +12HR: 20/2300Z SFC/FL170 NO ASH EXP FCST VA CLD +18HR: 21/0500Z NO ASH EXP RMK: VA WAS DETECTED IN STLT IMAGERY EXT 8 NM NW OF THE SUMMIT BEFORE WX CLD OBSCURED THE AREA. LTLCG EXP OVR NXT 6 HRS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20190820/1715Z