FVXX20 KWBC 160600 VOLCANIC ASH ADVISORY ISSUED: 2003OCT16/0600Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/372 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET ERUPTION DETAILS: CONTINUED ASH AND GAS EMISSIONS. OBS ASH DATE/TIME: 16/0545Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/250 MOVING NW 10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: ASH IS NOT VISIBLE IN SATELLITE DATA ALTHOUGH EXTENSIVE CLOUDS ARE PRESENT. A BRIGHT HOT SPOT IS VISIBLE THROUGH BREAKS IN THE CLOUDS. AT 0334Z THE GEOPHYSICAL INSTITUTE REPORTED ASH OVER THE VOLCANO. NEXT ADVISORY: WILL BE ISSUED BY 2003OCT16/1200Z NNNN