FVXX20 KNES 181705 VA ADVISORY DTG: 20190818/1705Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2019/133 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: LGT VA EMS OBS VA DTG: 18/1640Z OBS VA CLD: SFC/FL190 S0153 W07920 - S0159 W07819 - S0212 W07918 - S0153 W07920 MOV W 10KT FCST VA CLD +6HR: 18/2230Z SFC/FL190 S0152 W07920 - S0158 W07819 - S0212 W07918 - S0152 W07920 FCST VA CLD +12HR: 19/0430Z SFC/FL190 NO ASH EXP FCST VA CLD +18HR: 19/1030Z NO ASH EXP RMK: LGT VA PUFF EMS OBS IN STLT IMAGERY. VA SIGNATURE IN STLT IMAGERY HAS BEEN LGT BUT PERSISTANT. VA FCST TO CONT W MOV THRU T+12HRS BEFORE DISP. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20190818/2300Z