FVXX21 KWBC 2015 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 2015 UTC 20 May 1999 BY THE WASHINGTON VAAC . COLIMA 99-0323 MEXICO 19.51N 103.62W . BACKGROUND: COLIMA MEXICO (1401-04) SUMMIT HEIGHT 13,451 FT (4100 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. 12 UTC UPPER-AIR SOUNDING FROM MANZANILLO. MEXICO CITY MET WATCH OFFICE. . ERUPTION DETAILS: ERUPTION AROUND 20/1415 UTC. . DETAILS OF ASH CLOUD: THE MEXICO CITY MWO REPORTS THAT COLIMA HAS NOT PRODUCED ANY ASH EMISSIONS SINCE THE SMALL ERUPTION AT 1415 UTC TODAY. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY RESIDUAL ASH WOULD MOVE SOUTHWEST AT 10 TO 15 KNOTS. . 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 (all lower case except /VAAC/) . OUTLOOK: SEE SIGMETS AND VAFTAD. . THIS WILL BE THE LAST MESSAGE ISSUED FOR THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN