FVXX20 KWBC 051630 VOLCANIC ASH ADVISORY ISSUED: 2002AUG05/1630Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/375 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: REPORT OF ASH 05/1550Z. . OBS ASH DATE/TIME: 05/1550Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE IMAGERY. WINDS FL100/FL200 MOVING W AT 30 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: AN AIRCRAFT REPORTED ASH BETWEEN THE SUMMIT AND FL200 AT 05/1615Z. DESPITE RELATIVELY CLEAR SKIES..ASH CAN NOT BE SEEN IN THE SATELLITE IMAGERY THROUGH 05/1545Z....WALTER . NEXT ADVISORY: WILL BE ISSUED BY 2002AUG05/2230Z. . NNNN