FVXX21 KNES 281917 VA ADVISORY DTG: 20220128/1917Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/125 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 28/1830Z OBS VA CLD: SFC/FL210 S0159 W07820 - S0231 W07826 - S0219 W07838 - S0159 W07820 MOV SW 10KT FCST VA CLD +6HR: 29/0030Z SFC/FL210 S0159 W07820 - S0232 W07826 - S0219 W07838 - S0159 W07820 FCST VA CLD +12HR: 29/0630Z SFC/FL210 S0159 W07820 - S0235 W07823 - S0220 W07837 - S0159 W07820 FCST VA CLD +18HR: 29/1230Z SFC/FL210 S0159 W07820 - S0238 W07821 - S0223 W07835 - S0159 W07820 RMK: CONT VA EMS OBS MOV SW TO S IN STLT IMAGERY. VA EMS FCST TO CONT SW TO S MOV THRU T+18HRS. VO ACT IS MODERATE TO HIGH. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20220129/0115Z