FVXX21 KWBC 110800 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0800 UTC 11 MAY 1999 BY THE WASHINGTON VAAC . COLIMA 99-028 MEXICO 19.51N 103.62W . BACKGROUND: COLIMA MEXICO (1401-04) SUMMIT HEIGHT 13,451FT (4100M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...0000 UTC MEXICO CITY SOUNDING. . ERUPTION DETAILS: ERUPTION AROUND 10/1855 UTC. . DETAILS OF ASH CLOUD: THE ASH CLOUD FROM THE EARLIER ERUPTION HAS MERGED WITH DENSE METEOROLOGICAL CLOUDS TO THE EAST OF THE VOLCANO. THE ASH CLOUD IS NO LONGER DISCERNIBLE IN SATELLITE IMAGERY. . TRAJECTORY: ANY ASH UP TO FL350 WOULD MOVE TOWARDS THE EAST AT 30 TO 35 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 FOR THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN