FVXX20 KNES 152211 VA ADVISORY DTG: 20210215/2211Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/185 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: PSBL VA EMS OBS VA DTG: 15/2209Z OBS VA CLD: SFC/FL220 S0146 W07812 - S0153 W07802 - S0158 W07819 - S0146 W07812 MOV NE 20KT FCST VA CLD +6HR: 16/0400Z SFC/FL220 S0144 W07813 - S0154 W07802 - S0158 W07820 - S0144 W07813 FCST VA CLD +12HR: 16/1000Z NO VA EXP FCST VA CLD +18HR: 16/1600Z NO VA EXP RMK: PSBL VA EMS. VA NOT OBS IN STLT IMAGERY DUE TO WX CLDS. NWP MDLS SUGGEST CONT MOV NE OF SUMMIT THRU T+6HRS. VA FCST BASED OF NWP GUIDANCE AND CONTINUINTY. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210216/0415Z