FVXX21 KNES 201836 VOLCANIC ASH ADVISORY ISSUED: 2005AUG20/1836Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2005/109 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS MODEL WINDS. ERUPTION DETAILS: ASH CLOUD OBSERVED AT 1248Z OBS ASH DATE/TIME: 20/1815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: CLOUD COVER HAS PREVENTED ASH DETECTION THROUGHOUT THIS EVENT. THEREFORE THE ONLY KNOWN ASH OBSERVATION WAS A 1248Z PILOT REPORT OF FL160 ASH MOVING TOWARD THE WEST. ... NEXT ADVISORY: NO FURTHER ADVISORIES NNNN