FVXX21 KNES 080957 VA ADVISORY DTG: 20220208/0957Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/171 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: LARGE VA ERUPTION OBSD OBS VA DTG: 08/0900Z OBS VA CLD: SFC/FL280 S0146 W07840 - S0200 W07820 - S0203 W07822 - S0159 W07846 - S0146 W07840 MOV NW 20KT FCST VA CLD +6HR: 08/1500Z SFC/FL280 S0011 W08029 - S0045 W07946 - S0117 W08010 - S0048 W08050 - S0011 W08029 FCST VA CLD +12HR: 08/2100Z SFC/FL280 N0139 W08234 - N0059 W08155 - N0017 W08222 - N0055 W08305 - N0139 W08234 FCST VA CLD +18HR: 09/0300Z NO VA EXP RMK: HVY CONS VA EM SEEN ON STLT IMAGERY EXTEDNING APPROX 30 NMI NW FM SUMMIT. VA FL AND FRCST BASED ON IMAGERY AND NWP MODELS. A NW TRAJECTORY MOVT EXPCD. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20220208/1600Z