FVXX20 KWBC 241915 VOLCANIC ASH ADVISORY ISSUED: 2002JUL24/1915Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/353 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: ONGOING ASH AND STEAM EMISSIONS . OBS ASH DATE/TIME: 24/1420Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL250 MOVING SW 10-15 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 24/1845Z DUE TO CLOUDINESS OVER THE REGION. AT 1420Z THE GEOPHYSICAL INSTITUTE OBSERVED ASH BETWEEN FL165 AND FL250. . NEXT ADVISORY: WILL BE ISSUED BY 2002JUL25/0130Z. . NNNN