FVXX24 KWBC 010104 VOLCANIC ASH ADVISORY ISSUED: 2003MAY01/0110Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/046 INFORMATION SOURCE: GUAYAQUIL MWO SIGMET. PILOT REPORT. GEOPHYSICAL INSTITUTE. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ERUPTION AT 1734Z. OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: THERE HAVE BEEN NO FURTHER OBSERVATIONS OF ASH OVER TUNGURAHUA. KARST NEXT ADVISORY: NO FURTHER ADVISORIES NNNN