FVXX20 KNES 201337 VA ADVISORY DTG: 20111120/1331Z VAAC: WASHINGTON VOLCANO: SANGAY 1502-09 PSN: S0202 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2011/020 INFO SOURCE: GUAYAQUIL MWO. GOES-13. GFS WINDS. PILOT REPORT. ERUPTION DETAILS: POSSIBLE ERUPTION AT 1230Z OBS VA DTG: 20/1315Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL195 045/10KT FCST VA CLD +6HR: 20/1930Z FCST VA CLD +12HR: 21/0130Z FCST VA CLD +18HR: 21/0730Z RMK: PILOT REPORT INDICATES VA TO FL195. NO VA WAS OBSERVED IN STLT IMAGERY THROUGH 1315Z UNDER PARTLY CLOUDY SKIES. ...GUILLOT NXT ADVISORY: WILL BE ISSUED BY 20111120/1930Z NNNN