FVXX20 KNES 281957 VOLCANIC ASH ADVISORY ISSUED: 2006APR28/1957Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/234 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. ERUPTION DETAILS: EMISSION AT 28/1405Z OBS ASH DATE/TIME: 28/1945Z 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 IN IMAGERY FOR THIS EVENT. ...SCHWARTZ NEXT ADVISORY: NO FURTHER ADVISORIES NNNN