FVXX20 KWBC 221912 VOLCANIC ASH ADVISORY ISSUED: 2002AUG22/1930Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/409 . INFORMATION SOURCE: GOES-8 IMAGERY. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: EXHALATIONS BEGAN AT 22/1014Z. . OBS ASH DATE/TIME: NIL . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: EARLIER TODAY MULTI-SPECTRAL SATELLITE IMAGERY HAD INDICATED AN ASH CLOUD. SINCE THEN ASH COULD NOT BE SEEN IN IMAGERY AND THE GEOPHYSICAL INSTITUTE HAS INDICATED THAT SEISMIC ACTIVITY HAS QUIETED DOWN. THIS WILL BE THE LAST ADVISORY UNTIL ASH CAN BE DETECTED...GALLINA . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN