FVXX21 KWBC 181848 VOLCANIC ASH ADVISORY ISSUED: 2003OCT18/1850Z VAAC: WASHINGTON VOLCANO: COLIMA 1401-04 LOCATION: N1931W10337 AREA: MEXICO SUMMIT ELEVATION: 13451 FT (4100 M) ADVISORY NUMBER: 2003/52 INFORMATION SOURCE: GOES-12 IMAGERY. MEXICO CITY MWO. COLIMA CAM. ERUPTION DETAILS: EXHALATION AT 18/1340Z OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: SATELLITE IMAGERY DOES NOT INDICATE ANY VOLCANIC ASH FROM THE EARLIER EXHALATION. NEXT ADVISORY: NO FURTHER ADVISORIES NNNN