FVXX20 KNES 151915 VA ADVISORY DTG: 20201215/1915Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/1216 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONS VA CLDS SEEN IN STLT OBS VA DTG: 15/1850Z OBS VA CLD: SFC/FL200 S0156 W07837 - S0159 W07820 - S0201 W07820 - S0202 W07837 - S0156 W07837 MOV W 10KT FCST VA CLD +6HR: 16/0100Z SFC/FL200 S0159 W07847 - S0159 W07820 - S0201 W07819 - S0206 W07847 - S0159 W07847 FCST VA CLD +12HR: 16/0700Z SFC/FL200 S0159 W07820 - S0201 W07820 - S0206 W07847 - S0159 W07847 - S0159 W07820 FCST VA CLD +18HR: 16/1300Z NO VA EXP RMK: VA SEEN IN STLT IMAGERY MOV WEST AND EXTDG ARND 20 NM FM SUMMIT. ACT HAS DECREASED OVER THE LAST FEW HRS WITH VA CURRENTLY ESTIMATED TO FL220. MODEL GUIDANCE SHOWS A CONT W-LY MOV THRU T+12 HRS. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20201216/0115Z