FVXX20 KNES 110830 VA ADVISORY DTG: 20190911/0830Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/977 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EM OBS VA DTG: 11/0810Z OBS VA CLD: SFC/FL150 S0000 W07802 - S0004 W07740 - S0005 W07740 - S0005 W07802 - S0000 W07802 MOV W 10-15KT FCST VA CLD +6HR: 11/1400Z SFC/FL150 N0000 W07802 - S0004 W07740 - S0006 W07740 - S0006 W07802 - N0000 W07802 FCST VA CLD +12HR: 11/2000Z SFC/FL150 NO ASH EXP FCST VA CLD +18HR: 12/0200Z NO ASH EXP RMK: EXPLOSIONS AND POSS VA EM SEEN IN WEB CAM. VA NOT DETECTED IN STLT DUE TO MET CLDS. VA EM EXPECTED TP EXTND APRX 25 NM FM SUMMIT. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20190911/1430Z