FVXX21 KWBC 160548 VOLCANIC ASH ADVISORY ISSUED: 2003APR16/0545Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/041 INFORMATION SOURCE: GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. GFS MODEL WINDS FORECAST ERUPTION DETAILS: ASH OBSERVED AT 16/0425Z. OBS ASH DATE/TIME: 16/0345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 LIGHT AND VARIABLE. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED A VOLCANIC ASH CLOUD OVER THE VOLCANO AT 0425Z. NO ASH WAS DETECTED IN THE FINAL IMAGE BEFORE THE GOES 12 ECLIPSE PERIOD BEGAN AT 0345Z BUT THERE WAS EXTENSIVE CLOUD COVER IN THE VICINITY OF THE VOLCANO. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003APR16/1200Z. NNNN