FVXX22 KWBC 161828 VOLCANIC ASH ADVISORY ISSUED: 2003OCT16/1830Z VAAC: WASHINGTON VOLCANO: COLIMA 1401-04 LOCATION: N1931W10337 AREA: MEXICO SUMMIT ELEVATION: 13451 FT (4100 M) ADVISORY NUMBER: 2003/49 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: 16/1815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL200 MOVING SW 5-10 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: MEXICO CITY MWO REPORTS AN EXHALATION OF COLIMA TO FL200 AT 1802Z. ACCORDING TO MODEL WIND FORECASTS THE ASH SHOULD MOVE TOWARDS THE SOUTHWEST AT 5-10 KNOTS. NEXT ADVISORY: WILL BE ISSUED BY 2003OCT17/0030Z NNNN