FVXX20 KWBC 040730 VOLCANIC ASH ADVISORY ISSUED: 2002FEB04/0730Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/045 . INFORMATION SOURCE: GOES-8 IMAGERY. NWS NUMERICAL MODEL WINDS. SIGMET FROM GUAYAQUIL METEOROLOGICAL WATCH OFFICE. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: OBSERVED EMISSION AT 03/1900Z . OBS ASH DATE/TIME: 04/0645Z . OBS ASH CLOUD: SFC/FL230 MOVING N 10 KNOTS ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD. . REMARKS: THE PLUME OF ASH THAT HAD BEEN DETECTED EARLIER IN SATELLITE IMAGERY DISSIPATED NORTH OF THE VOLCANO. . NEXT ADVISORY: NO FURTHER ADVISORIES . NNNN