FVXX21 KNES 310942 VA ADVISORY DTG: 20220131/0942Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/136 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 31/0730Z OBS VA CLD: SFC/FL220 S0159 W07820 - S0220 W07759 - S0226 W07811 - S0159 W07820 MOV S 5KT FCST VA CLD +6HR: 31/1330Z SFC/FL220 S0158 W07820 - S0220 W07759 - S0226 W07810 - S0158 W07820 FCST VA CLD +12HR: 31/1930Z SFC/FL220 S0158 W07820 - S0220 W07758 - S0227 W07810 - S0158 W07820 FCST VA CLD +18HR: 01/0130Z SFC/FL220 S0158 W07820 - S0218 W07756 - S0227 W07810 - S0158 W07820 RMK: CONT VA EMS OBS MOV S TO SSE IN STLT IMAGERY. VA FCST TO CONT S TO SSE MOV FM SUMMIT THRU T+18HRS BEFORE DISP. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20220131/1545Z