FVXX21 KNES 231954 VOLCANIC ASH ADVISORY ISSUED: 20070423/1953Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/247 INFORMATION SOURCE: GFS WINDS. ERUPTION DETAILS: EMISSION AT 23/1318Z OBS ASH DATE/TIME: 23/1915Z 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: ASH WAS NOT OBSERVED FOR THIS EVENT ... NEXT ADVISORY: NO FURTHER ADVISORIES