FVXX20 KNES 201801 VOLCANIC ASH ADVISORY ISSUED: 2004DEC20/1801Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/574 INFORMATION SOURCE: GOES-12. ERUPTION DETAILS: N/A OBS ASH DATE/TIME: NIL OBS ASH CLOUD: FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: ASH CAN NOT BE SEEN IN SATELLITE IMAGERY THROUGH 1715 UTC. THERE HAVE BEEN NO MORE REPORTS OF ASH RECEIVED BY THE VAAC. ...HUGHES NEXT ADVISORY: NO FURTHER ADVISORIES NNNN