FVXX20 KWBC 232255 VOLCANIC ASH ADVISORY ISSUED: 2002FEB23/2255Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/090 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST . ERUPTION DETAILS: ASH OBSERVED AT 23/1602Z. . OBS ASH DATE/TIME: 23/2215Z . OBS ASH CLOUD: FL/UNKNOWN MOVING SW 5 15 KNOTS ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 2215Z. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN