FVXX20 KWBC 041930 VOLCANIC ASH ADVISORY ISSUED: 2002OCT04/1930Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/487 . INFORMATION SOURCE: GOES-8 IMAGERY. . ERUPTION DETAILS: NIL. OBS ASH DATE/TIME: 04/1700Z. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL250 MOVING W 15-20 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS . REMARKS: GUAYAQUIL IS REPORTING AN ASH OBSERVATION OVER STATION SERB. NO HEIGHT OR DIRECTION OF PLUME WAS GIVEN. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN