FVXX20 KNES 110849 VA ADVISORY DTG: 20191211/0849Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/1380 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: POSS VA EM OBS VA DTG: 11/0830Z OBS VA CLD: SFC/FL200 S0004 W07740 - S0005 W07739 - S0011 W07758 - S0004 W07759 - S0004 W07740 MOV W 5KT FCST VA CLD +6HR: 11/1430Z SFC/FL200 S0004 W07802 - S0004 W07740 - S0006 W07739 - S0013 W07801 - S0004 W07802 FCST VA CLD +12HR: 11/2030Z SFC/FL200 NO ASH EXP FCST VA CLD +18HR: 12/0230Z NO ASH EXP RMK: VA EM POSS AND EXTNX APRX 20 NM WSW OF SUMMIT. VA NOT DETECTED IN STLT DUE TO MET CLDS BUT MODEL DATA INDICATES THAT WINDS TO MOV VA TO W. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20191211/1445Z