FVXX20 KWBC 201315 VOLCANIC ASH ADVISORY ISSUED: 2002FEB20/1315Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/085 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO SIGMET . ERUPTION DETAILS: ERUPTION AT 19/2130Z. . OBS ASH DATE/TIME: 19/2130Z . OBS ASH CLOUD: SFC/FL250 MOVING WEST AT 15 TO 20 KNOTS ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 20/1245Z . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN