FVXX20 KWBC 281645 VOLCANIC ASH ADVISORY ISSUED: 2002JUN28/1645Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/293 . INFORMATION SOURCE: GOES-8 IMAGERY. GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: ASH OBSERVED AT 28/1552Z. . OBS ASH DATE/TIME: 28/1552Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING SOUTH 5-10 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 28/1615Z DUE TO SCATTERED CLOUDS ACROSS THE REGION....WALTER/KARST . NEXT ADVISORY: WILL BE ISSUED BY 2002JUN28/2300Z. . NNNN