FVXX20 KWBC 280530 VOLCANIC ASH ADVISORY ISSUED: 2002MAR28/0530Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S07826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/188 . INFORMATION SOURCE: GUAYAQUIL MWO SIGMET. GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. . ERUPTION DETAILS: ASH EMISSION AT 27/2302Z . 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 OBSERVED IN SATELLITE IMAGERY . NEXT ADVISORY: NO FURTHER ADVISORIES . NNNN