FVXX20 KWBC 301845 VOLCANIC ASH ADVISORY ISSUED: 2002MAY30/1900Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/251 . INFORMATION SOURCE: GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO SIGMET. GOES-8 IMAGERY. ERUPTION DETAILS: ASH OBSERVED AT 30/1230Z . OBS ASH DATE/TIME: NIL . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: SATELLITE IMAGERY THROUGH 30/1815Z DOES NOT INDICATE ASH...GALLINA/WALTER. NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN