FVXX21 KWBC 282030 VOLCANIC ASH ADVISORY ISSUED: 2002APR28/2030Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S07826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/224 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: EXHALATION AT 28/1400Z . OBS ASH DATE/TIME: NIL . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH IS NOW TOO THIN TO BE DETECTED IN SATELLITE IMAGERY. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN