FVXX20 KNES 120656 VA ADVISORY DTG: 20210612/0656Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/584 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 12/0620Z OBS VA CLD: SFC/FL200 S0153 W07901 - S0159 W07819 - S0206 W07900 - S0153 W07901 MOV W 10KT FCST VA CLD +6HR: 12/1230Z SFC/FL200 S0158 W07906 - S0158 W07819 - S0213 W07901 - S0158 W07906 FCST VA CLD +12HR: 12/1830Z SFC/FL200 S0159 W07818 - S0222 W07901 - S0205 W07908 - S0159 W07818 FCST VA CLD +18HR: 13/0030Z NO VA EXP RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA FCST TO CONT W MOV THRU T+12HRS BEFORE DISP. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210612/1300Z