FVXX20 KWBC 041700 VOLCANIC ASH ADVISORY ISSUED: 2002JUL04/1700Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/313 . INFORMATION SOURCE: GOES 8 IMAGERY. AVN WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: EXHALATIONS AT 04/1600Z. . OBS ASH DATE/TIME: 04/1600Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL165 MOVING W 10-15 KNOTS. FL165/240 MOVING W 5-10 KNOTS . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 1615Z. THE GEOPHYSICAL INSTITUTE INDICATES ASH MOVING WEST AT FL165/240. EXTENSIVE WEATHER CLOUDS REMAIN ACROSS THE REGION. KIBLER . NEXT ADVISORY: WILL BE ISSUED BY 2002JUL04/2300. . NNNN