FVXX22 KWBC 041545 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1545 UTC 04 NOV 1999 BY THE WASHINGTON VAAC . COLIMA 99-056 MEXICO 19.51N 103.62W . BACKGROUND: COLIMA MEXICO (1401-04) SUMMIT HEIGHT 13451 FT (4100 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE IMAGERY. MEXICO CITY METEOROLOGICAL WATCH OFFICE REPORT. . ERUPTION DETAILS: ERUPTION OCCURED AT 04/1505 UTC. . DETAILS OF ASH CLOUD: THE MEXICO CITY METEOROLOGICAL WATCH OFFICE REPORTED AN ERUPTION 0F COLIMA AT 1505 UTC. VISIBLE SATELLITE IMAGERY SUGGESTS THIS ERUPTION WAS OF SHORT DURATION WITH A SMALL ASH CLOUD LOCATED APPROXIMATELY 8 KM (4 NMI) WEST OF THE SUMMIT AT 1515 UTC. THE CLOUD WAS APPROXIMATELY 5 KM (3 NMI) WIDE. THE HEIGHT WAS ESTIMATED AT FL180. . TRAJECTORY: TOWARDS THE WEST AT 10KT. . THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS www.ssd.noaa.gov/VAAC/messages.html . OUTLOOK: SEE VAFTAD AND SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED AROUND 04/2130 UTC . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN