FVXX20 KWBC 281545 VOLCANIC ASH ADVISORY ISSUED: 2002MAR28/1545Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S07826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/189 . INFORMATION SOURCE: GUAYAQUIL MWO SIGMET. GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: ASH EMISSION AT 28/1508Z . OBS ASH DATE/TIME: 28/1508 . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL180 MOVING W AT 6 KNOTS FL180/240 MOVING W 10KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 1515Z DUE TO WEATHER CLOUDS. . NEXT ADVISORY: WILL BE ISSUED BY 2002MAR28/2200Z . NNNN