FVXX20 KWBC 051200 VOLCANIC ASH ADVISORY ISSUED: 2002FEB05/1200Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/047 . INFORMATION SOURCE: GOES-8 IMAGERY. NWS NUMERICAL MODEL WINDS. GUAYAQUIL MWO SIGMET . ERUPTION DETAILS: ASH OBSERVED AT 05/0523Z . OBS ASH DATE/TIME: 05/0523Z . OBS ASH CLOUD: SFC/FL230 MOVING W 5 KNOTS ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH CANNOT BE SEEN IN IMAGERY THROUGH 05/1115Z BUT IT IS POSSIBLE THAT LOW LEVEL WEATHER CLOUDS COULD BE HINDERING ASH DETECTION. . NEXT ADVISORY: NO FURTHER ADVISORIES . NNNN