FVXX21 KNES 051147 VA ADVISORY DTG: 20220105/1147Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/020 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 05/1119Z OBS VA CLD: SFC/FL200 S0140 W07758 - S0157 W07737 - S0216 W07747 - S0155 W07819 - S0140 W07758 MOV E 15KT FCST VA CLD +6HR: 05/1730Z SFC/FL200 S0139 W07740 - S0210 W07732 - S0156 W07819 - S0139 W07740 FCST VA CLD +12HR: 05/2330Z SFC/FL200 S0139 W07735 - S0211 W07734 - S0155 W07818 - S0139 W07735 FCST VA CLD +18HR: 06/0530Z SFC/FL200 S0140 W07734 - S0207 W07733 - S0155 W07818 - S0140 W07734 RMK: CONT VA EMS OBS MOV E FM SUMMIT IN STLT IMAGERY. VA FCST TO CONT E MOV THRU T+18HRS BEFORE DISP. VO ACT HIGH. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20220105/1745Z