FVXX21 KWBC 161204 VOLCANIC ASH ADVISORY ISSUED: 2003APR16/1200Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/042 INFORMATION SOURCE: GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. GFS MODEL WINDS FORECAST ERUPTION DETAILS: ASH OBSERVED AT 16/0425Z. OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED A VOLCANIC ASH CLOUD OVER THE VOLCANO AT 0425Z. THERE HAVE BEEN NO FURTHER OBSERVATIONS OF ASH FROM THE INSTITUTE. SATELLITE IMAGERY DOES NOT INDICATE ANY ASH IN IMAGERY THROUGH 1115Z. NEXT ADVISORY: NO FURTHER ADVISORIES NNNN