FVXX20 KWBC 052230 VOLCANIC ASH ADVISORY ISSUED: 2002AUG05/2230Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/376 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: REPORT OF ASH 05/1820Z. . OBS ASH DATE/TIME: 05/1820Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE IMAGERY. WINDS FL100/FL220 MOVING NW AT 30 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: AN AIRCRAFT REPORTED ASH BETWEEN THE SUMMIT AND FL220 AT 05/1820Z MOVING NORTHWEST. ASH CAN NOT BE SEEN IN THE SATELLITE IMAGERY THROUGH 05/2145Z ALTHOUGH THERE ARE SOME CLOUDS PRESENT. . NEXT ADVISORY: WILL BE ISSUED BY 2002AUG06/0430Z. . NNNN