FVXX20 KWBC 011930 VOLCANIC ASH ADVISORY ISSUED: 2002MAR01/1930Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/106 . INFORMATION SOURCE: GOES-8 IMAGERY. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: ASH OBSERVED AT 01/0038Z. . OBS ASH DATE/TIME: 01/1845Z . OBS ASH CLOUD: SFC/FL220 MOVING W 10 KNOTS. ASH NOT IDENTIFIABLE IN SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 01/1845Z DUE TO EXTENSIVE CONVECTIVE DEBRIS. ANALYSTS HUGHES/HANNA. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN