FVXX23 KNES 171813 VOLCANIC ASH ADVISORY ISSUED: 2006FEB17/1808Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/051 INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. PILOT REPORTS ERUPTION DETAILS: ASH EMISSIONS OBSERVED AT 1120Z AND 1312Z OBS ASH DATE/TIME: 17/1715Z OBS ASH CLOUD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: WE REMAIN UNABLE TO SEE ASH IN SATELLITE IMAGERY. THE MOST RECENT KNOWN ASH OBSERVATION WAS A 1312Z PILOT REPORT OF ASH ESTIMATED TO FL200. ... NEXT ADVISORY: NO FURTHER ADVISORIES NNNN