FVXX23 KNES 161346 VA ADVISORY DTG: 20191216/1346Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2019/328 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 16/1320Z OBS VA CLD: SFC/FL200 S0153 W07856 - S0156 W07819 - S0217 W07852 - S0153 W07856 MOV W 10KT FCST VA CLD +6HR: 16/1930Z SFC/FL200 S0156 W07819 - S0223 W07847 - S0158 W07858 - S0156 W07819 FCST VA CLD +12HR: 17/0130Z SFC/FL200 NO ASH EXP FCST VA CLD +18HR: 17/0730Z NO ASH EXP RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA EMS IS BEGINNING TO DISP HOWEVER VA IS STILL OBS. NWP GUIDANCE SUGGEST S TO SW TREND THRU T+6HRS. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20191216/1945Z