FVXX20 KWBC 061930 VOLCANIC ASH ADVISORY ISSUED: 2002OCT06/1930Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/489 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. . ERUPTION DETAILS: EXHALATION AT 06/1245Z OBS ASH DATE/TIME: NIL. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA . FCST ASH CLOUD+6H: SEE SIGMETS . REMARKS: ASH IS TOO THIN TO BE DETECTED IN SATELLITE IMAGERY THROUGH 1845Z. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN