FVXX20 KWBC 032030 VOLCANIC ASH ADVISORY ISSUED: 2002AUG03/2030Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/370 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: REPORT OF ASH 03/1355Z. . OBS ASH DATE/TIME: 03/1355Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE IMAGERY. WINDS FL100/FL190 MOVING WEST AT 15 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: AIRCRAFT REPORT AT 03/1355Z INDICATES ASH FROM THE SUMMIT TO FL190. SATELLITE DATA THROUGH 03/1945Z SHOWS CONSIDERABLE CLOUDS OVER THE AREA MAKING DETECTION OF ASH DIFFICULT. . NEXT ADVISORY: WILL BE ISSUED BY 2002AUG04/0230Z. . NNNN