FVXX22 KWBC 280045 VOLCANIC ASH ADVISORY ISSUED: 2001DEC28/0045Z VAAC: WASHINGTON . VOLCANO: COLIMA 1401-04 LOCATION: 1931N 10337W AREA: MEXICO . SUMMIT ELEVATION: 13451 FT (4100 M) . . ADVISORY NUMBER: 2001/1 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. . ERUPTION DETAILS: EXHALATION AT 27/2315Z . DETAILS OF ASH CLOUD: MEXICO CITY MWO ISSUED A SIGMET FOR VOLCANIC ASH BETWEEN FL140 AND FL170 MOVING E. SATELLITE IMAGERY SHOWS EXTENSIVE CLOUDS OVER THE VOLCANO MAKING IT DIFFICULT TO DETECT ANY ASH. . TRAJECTORY: ANY ASH BETWEEN FL140 AND FL170 WILL MOVE TOWARDS THE EAST AT 20KTS. . OUTLOOK: SEE SIGMETS. . NEXT ADVISORY: WILL BE ISSUED BY 2001DEC28/0700Z. . NNNN