FVXX21 KNES 280058 VOLCANIC ASH ADVISORY ISSUED: 2006FEB28/0057Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/077 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS MODEL WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ASH OBSERVED 28/0020Z OBS ASH DATE/TIME: 28/0015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL170 MOVING TO W 0-5 KNOTS. FCST ASH CLOUD +6H: 28/0630Z NOT AVBL. FCST ASH CLOUD +12H: 28/1230Z NOT AVBL. FCST ASH CLOUD +18H: 28/1830Z NOT AVBL. REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED ASH TO FL165 MOVING TOWARDS THE WEST AT 0020Z. EXTENSIVE CLOUD COVER MADE ASH DETECTION IMPOSSIBLE. MODEL FORECAST WINDS ARE LIGHT IN VARIABLE THROUGH A DEEP LAYER IN THE VICINITY OF THE VOLCANO. ...TURK NEXT ADVISORY: WILL BE ISSUED BY 2006FEB28/0700Z NNNN