FVXX22 KNES 181322 VOLCANIC ASH ADVISORY ISSUED: 20070318/1321Z VAAC: WASHINGTON VOLCANO: SANGAY 1502-09 LOCATION: S0201 W07820 AREA: ECUADOR SUMMIT ELEVATION: 17159 FT (5230 M) ADVISORY NUMBER: 2007/051 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: PILOT OBSERVED ASH AT 17/1920Z OBS ASH DATE/TIME: 18/1215Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL180 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD +6H: 18/1830Z FCST ASH CLOUD +12H: 19/0030Z FCST ASH CLOUD +18H: 19/0630Z REMARKS: ASH CANNOT BE DETECTED IN GOES-12 SATELLITE IMAGERY DUE TO DENSE WEATHER CLOUDS. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 20070318/1915Z