FVXX21 KNES 202103 VA ADVISORY DTG: 20170920/2103Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2017/039 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. ERUPTION DETAILS: CONT VA EMS OBS IN STLT IMAGERY OBS VA DTG: 20/2015Z OBS VA CLD: SFC/FL190 S0156 W07919 - S0159 W07820 - S0200 W07820 - S0218 W07917 - S0156 W07919 MOV W 10-15KT FCST VA CLD +6HR: 21/0230Z SFC/FL190 S0149 W07919 - S0159 W07820 - S0201 W07820 - S0212 W07917 - S0149 W07919 FCST VA CLD +12HR: 21/0830Z SFC/FL190 S0156 W07919 - S0159 W07820 - S0201 W07820 - S0218 W07917 - S0156 W07919 FCST VA CLD +18HR: 21/1430Z SFC/FL190 NO ASH EXP RMK: CONT VA EMS OBS IN STLT IMAGERY. NEW MODELS SUGGEST CONTINUED MOV W. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20170921/0300Z