FVXX21 KWBC 061600 VOLCANIC ASH ADVISORY ISSUED: 2003SEP06/1600Z VAAC: WASHINGTON VOLCANO: COLIMA 1401-04 LOCATION: N1931W10337 AREA: MEXICO SUMMIT ELEVATION: 13451 FT (4100 M) ADVISORY NUMBER: 2003/034 INFORMATION SOURCE: MEXICO CITY MWO. MEXICO CITY MWO SIGMET. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. COLIMA CAMERA. ERUPTION DETAILS: EMISSION AT 06/1526Z OBS ASH DATE/TIME: 06/1540Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL220 VARIABLE DIRECTION 0-10 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: THE MEXICO CITY METEOROLOGICAL WATCH OFFICE INDICATED THAT AT 1526Z THE COLIMA TOWER REPORTED A STRONG ASH EMISSION TO FL220 WITH THE ASH MOVING NORTH. ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 1540Z DUE TO WEATHER CLOUDS THROUGHOUT THE AREA. THE EMISSION COULD BE SEEN IN THE COLIMA CAMERA. WINDS ARE LIGHT AND VARIABLE. NEXT ADVISORY: WILL BE ISSUED BY 2003SEP06/2200Z NNNN