FVXX21 KNES 310315 VA ADVISORY DTG: 20150831/0315Z VAAC: WASHINGTON VOLCANO: COTOPAXI 352050 PSN: S0041 W07826 AREA: ECUADOR SUMMIT ELEV: 19393 FT (5911 M) ADVISORY NR: 2015/079 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 31/0245Z OBS VA CLD: SFC/FL260 N0004 W08004 - S0040 W07826 - S0042 W07827 - S0034 W08008 - N0004 W08004 MOV W 10KT FCST VA CLD +6HR: 31/0900Z SFC/FL260 N0018 W08005 - S0040 W07826 - S0042 W07825 - S0025 W08010 - N0018 W08005 FCST VA CLD +12HR: 31/1500Z SFC/FL260 N0020 W08005 - S0040 W07826 - S0042 W07826 - S0025 W08010 - N0020 W08005 FCST VA CLD +18HR: 31/2100Z SFC/FL260 N0018 W08007 - S0039 W07827 - S0040 W07825 - S0035 W08008 - N0018 W08007 RMK: IMAGERY SHOWS PLUME EXTENDING UP TO 120 NMI TO THE W AND WNW OF THE SUMMIT. EARLIER GEOPHYSICAL INSTITUTE REPORT INDICATED HEIGHT AT FL260 ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20150831/0915Z