FVXX21 KNES 041626 VA ADVISORY DTG: 20150904/1626Z VAAC: WASHINGTON VOLCANO: COTOPAXI 352050 PSN: S0041 W07826 AREA: ECUADOR SUMMIT ELEV: 19393 FT (5911 M) ADVISORY NR: 2015/100 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. GFS WINDS. SEISMIC DETECTION. VOLCANO WEB CAMERA. ERUPTION DETAILS: EMISSION ONGOING SINCE 1335Z FANNING SW-WNW EST FL260. OBS VA DTG: 04/1545Z OBS VA CLD: SFC/FL270 S0026 W07848 - S0034 W07828 - S0043 W07825 - S0053 W07852 - S0026 W07848 MOV SW 10-15KT FCST VA CLD +6HR: 04/2200Z SFC/FL270 S0019 W07913 - S0035 W07825 - S0042 W07825 - S0113 W07912 - S0019 W07913 FCST VA CLD +12HR: 05/0400Z SFC/FL270 S0028 W07911 - S0035 W07823 - S0044 W07824 - S0122 W07912 - S0028 W07911 FCST VA CLD +18HR: 05/1000Z SFC/FL270 S0026 W07913 - S0034 W07826 - S0043 W07825 - S0122 W07911 - S0026 W07913 RMK: ASH SEEN IN SAT IMAGERY MOV WNW-SW. WEBCAM AND SEISMIC SHOWS MIX OF GAS AND ASH WITH WEAKENING ENERGY. ASH LEADING EDGE EXTND 28NM SW(245) 20NM W(270) 20NM WNW(295). WINDS FCST CONT MAINLY SW TIL NIGHT. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20150904/2230Z