FVXX22 KWBC 170012 VOLCANIC ASH ADVISORY ISSUED: 2003OCT17/0030Z VAAC: WASHINGTON VOLCANO: COLIMA 1401-04 LOCATION: N1931W10337 AREA: MEXICO SUMMIT ELEVATION: 13451 FT (4100 M) ADVISORY NUMBER: 2003/50 INFORMATION SOURCE: GOES 12 IMAGERY. UPPER AIR SOUNDING. MEXICO CITY MWO. GFS MODEL WINDS FORECAST ERUPTION DETAILS: EXHALATION AT 16/1802Z OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: NO ASH WAS DETECTED FROM THE 1802Z EXHALATION. NEXT ADVISORY: NO FURTHER ADVISORIES NNNN