FVXX21 KWBC 051639 VOLCANIC ASH ADVISORY ISSUED: 2003AUG05/1630Z VAAC: WASHINGTON VOLCANO: COLIMA 1401-04 LOCATION: N1931W10337 AREA: MEXICO SUMMIT ELEVATION: 13451 FT (4100 M) ADVISORY NUMBER: 2003/030 INFORMATION SOURCE: GOES-12 IMAGERY. MEXICO CITY MWO. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: EXHALATION AT 05/1555Z. OBS ASH DATE/TIME: 05/1602Z OBS ASH CLOUD: SFC/FL250 MOVING W 10-15 KTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: MWO REPORTS POSSIBLE EXHILATION AT 1555Z TO FL250 AND EXTENDING TO 30 NM TO THE WEST. 1602Z AND 1615Z GOES-12 IMAGERY SHOWS ONE PUFF MOVING TO THE WEST. WINDS FORECAST PRODUCT SUGGESTS HEIGHT TO AROUND FL200. NEXT ADVISORY: WILL BE ISSUED AT 2003AUG05/2230Z. NNNN