FVXX23 KNES 281640 VOLCANIC ASH ADVISORY ISSUED: 20070228/1639Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/025 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. PILOT REPORT. ERUPTION DETAILS: ERUPTION AT 1600Z. OBS ASH DATE/TIME: 28/1615Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL250 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: 28/2230Z FCST ASH CLOUD +12H: 01/0430Z FCST ASH CLOUD +18H: 01/1030Z REMARKS: AT 1104Z AN AIRCRAFT REPORTED ASH TO FL250 MOV W. AT 1600Z THE GEOPHYSICAL INST. REPORTED ASH OVR THE VOLCANO. WINDS ARE FORECASTED TO MOV WSW. NO ASH CAN BE SEEN IN SATELLITE IMAGERY DUE TO CLOUD COVER. ...BANKS NEXT ADVISORY: WILL BE ISSUED BY 20070228/2245Z