FVXX20 KNES 310800 VA ADVISORY DTG: 20190831/0800Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/945 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: POSS VA EM OBS VA DTG: 31/0740Z OBS VA CLD: SFC/FL140 N0001 W07759 - S0004 W07739 - S0005 W07739 - S0004 W07759 - N0001 W07759 MOV W 20KT FCST VA CLD +6HR: 31/1330Z SFC/FL140 N0000 W07759 - S0004 W07739 - S0005 W07739 - S0005 W07759 - N0000 W07759 FCST VA CLD +12HR: 31/1930Z SFC/FL140 NO ASH EXP FCST VA CLD +18HR: 01/0130Z NO ASH EXP RMK: VA EM NOT SEEN IN STLT DUE TO MET CLDS BUT VA EM POSS EXTND TO APRX 20 WNW OF SUMMIT BASED ON RECENT ACT. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20190831/1400Z