FVXX21 KNES 200915 VA ADVISORY DTG: 20170920/0915Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2017/037 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. ERUPTION DETAILS: REMNANT VA PSBL OBS VA DTG: 20/0900Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL200 090/15KT FCST VA CLD +6HR: 20/1500Z FCST VA CLD +12HR: 20/2100Z FCST VA CLD +18HR: 21/0300Z RMK: VA CANNOT BE SEEN IN STLT IMAGERY BUT REMNANT VA IS STILL POSS. MODELS SUGGEST MOV TO THE WSW AT FL200. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20170920/1515Z