FVXX20 KWBC 212030 VOLCANIC ASH ADVISORY ISSUED: 2002FEB21/2030Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/087 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO SIGMET . ERUPTION DETAILS: ERUPTIONS AT 21/1253Z AND 21/1405Z. . OBS ASH DATE/TIME: 21/1415Z . OBS ASH CLOUD: SFC/FL230 MOVING SOUTHWEST AT 15 TO 20 KNOTS ASH NOT LONGER IDENTIFIABLE IN SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH IS NO LONGER VISIBLE IN SATELLITE DATA THROUGH 21/1915Z DUE TO EXTENSIVE WEATHER CLOUDS. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN