FVXX20 KWBC 310200 VOLCANIC ASH ADVISORY ISSUED: 2002JUL31/0200Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/359 INFORMATION SOURCE: AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: EXHALATION AT 30/1906Z . OBS ASH DATE/TIME: 30/1906Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL165/FL290 MOVING W 15-20 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 30/1745Z DUE TO LOW AND MID LEVEL CLOUDS OVER THE REGION. THE ASH IS MOVING TOWARDS THE WEST. NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN