FVXX23 KNES 281051 VOLCANIC ASH ADVISORY ISSUED: 20070228/1045Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/024 INFORMATION SOURCE: GOES-12. GFS WINDS. PILOT REPORT. ERUPTION DETAILS: ONGOING EMISSIONS AND SEISMIC ACTIVITY OBS ASH DATE/TIME: 28/1015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: 28/1630Z FCST ASH CLOUD +12H: 28/2230Z FCST ASH CLOUD +18H: 01/0430Z REMARKS: AT 2340Z A PILOT REPORTED ASH BETWEEN FL165/220 MOVING SOUTH. ASH CANNOT BE DETECTED IN SATELLITE IMAGERY DUE TO CLOUD COVER. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 20070228/1645Z