FVXX20 KWBC 202000 VOLCANIC ASH ADVISORY ISSUED: 2002SEP20/2000Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/448 . INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO SIGMET. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS. . OBS ASH DATE/TIME: 20/1915Z. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING NW 10-20 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD. . REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 1915Z. A SIGMET CITES A 1746Z GEOPHYSICAL INSTITUTE OBSERVATION OF PROBABLE VOLCANIC ASH. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN