FVXX20 KWBC 220730 VOLCANIC ASH ADVISORY ISSUED: 2002JUL22/0730Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/343 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: EXHALATION AT 21/2201Z . OBS ASH DATE/TIME: 22/0645Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA . FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD. . REMARKS: THE ASH PLUME OBSERVED EARLIER MOVING TO THE NORTH IS NO LONGER DETECTED IN SATELLITE IMAGERY. KARST . NEXT ADVISORY: WILL BE ISSUED BY 2002JUL22/1330Z. . NNNN