FVXX20 KNES 231838 VA ADVISORY DTG: 20090723/1837Z VAAC: WASHINGTON VOLCANO: SANGAY 1502-09 PSN: S0201 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2009/017 INFO SOURCE: GOES-12. GOES-10. GFS WINDS. PILOT REPORT. ERUPTION DETAILS: OBSERVED AT 1755Z TO FL260 OBS VA DTG: 23/1815Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL260 270/0-5KT FCST VA CLD +6HR: 24/0030Z FCST VA CLD +12HR: 24/0630Z FCST VA CLD +18HR: 24/1230Z RMK: ASH CANNOT BE SEEN WITH WEATHER CLOUDS IN THE AREA. FORECAST WINDS ARE LIGHT AND VARIABLE. ...BIRCH NXT ADVISORY: WILL BE ISSUED BY 20090724/0030Z NNNN