FVXX20 KWBC 162355 VOLCANIC ASH ADVISORY ISSUED: 2002MAY16/2350Z VAAC: WASHINGTON. . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/237 . INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: EXHALATION AT AROUND 16/2045Z TO FL165/330 MOVING WEST TO SOUTHWEST . OBS ASH DATE/TIME: 16/2315Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH IS NOT VISIBLE IN IMAGERY ALTHOUGH THERE ARE EXTENSIVE CLOUDS PRESENT. AVN MODEL WINDS FORECAST INDICATES ASH WOULD MOVE SOUTHWEST AT 10-15 KNOTS. . NEXT ADVISORY: WILL BE ISSUED BY 2002MAY17/0600Z. NNNN