FVXX21 KNES 210834 VA ADVISORY DTG: 20170921/0834Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2017/041 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. NOAA CIMSS ALERT. ERUPTION DETAILS: REMNANT VA OBS VA DTG: 21/0815Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL200 090/20KT FCST VA CLD +6HR: 21/1430Z FCST VA CLD +12HR: 21/2030Z FCST VA CLD +18HR: 22/0230Z RMK: VA CANNOT BE SEEN IN STLT IMAGERY BUT HOTSPOT PERSISTS IN IMAGERY. MODELS SUGGEST MOV TO THE W AT FL200. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20170921/1430Z