FVXX20 KNES 280707 VOLCANIC ASH ADVISORY ISSUED: 2004NOV28/0707Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/558 INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. ERUPTION DETAILS: EXHALATION AT 21/1800Z OBS ASH DATE/TIME: NIL 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: NO ASH HAS BEEN OBSERVED IN MULTISPECTRAL OR INFRARED IMAGERY FOR AT LEAST 12 HOURS. THE MOST RECENT KNOWN ASH OBSERVATION WAS IN VISIBLE SATELLITE IMAGERY YESTERDAY AFTERNOON. ... NEXT ADVISORY: NO FURTHER ADVISORIES NNNN