FVXX20 KWBC 061320 VOLCANIC ASH ADVISORY ISSUED: 2002JUL06/1320Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/317 . INFORMATION SOURCE: GOES 8 IMAGERY. AVN WINDS FORECAST. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: AIRCRAFT OBSERVATION OF ASH AT 06/1245Z . OBS ASH DATE/TIME: 06/1245Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/200 MOVING W 5 TO 10KNOTS . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 1245Z. AN AIRCRAFT OBSERVED ASH TO FL200 MOVING TOWARDS THE WEST. . NEXT ADVISORY: WILL BE ISSUED BY 2002JUL06/1930Z . NNNN