FVXX20 KNES 160901 VA ADVISORY DTG: 20200516/0901Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/493 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: PSBL VA CLDS CONT OBS IN STLT IMAGERY OBS VA DTG: 16/0830Z OBS VA CLD: SFC/FL190 S0152 W07840 - S0157 W07819 - S0204 W07818 - S0208 W07839 - S0152 W07840 MOV W 15-20KT FCST VA CLD +6HR: 16/1430Z SFC/FL190 S0151 W07849 - S0156 W07817 - S0205 W07817 - S0216 W07848 - S0151 W07849 FCST VA CLD +12HR: 16/2030Z NO ASH EXP FCST VA CLD +18HR: 17/0230Z NO ASH EXP RMK: PSBL VA CLDS CONT OBS IN STLT MOVG W FM SUMMIT. LOW CONF WITH VA EXT DUE TO WX CLDS. VA HGT/DIR FM STLT/NWP MDLS SHOWS CONT W-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20200516/1500Z