FVXX20 KWBC 170400 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0400 UTC 17 FEB 1999 BY THE WASHINGTON VAAC . COLIMA 99-002 MEXICO 19.51N 103.62W . BACKGROUND: COLIMA MEXICO (1401-04) SUMMIT HEIGHT 13451 FT (4100 M) . SOURCES OF INFORMATION: MEXICO CITY SIGMET...GOES 8 INFRARED AND MULTISPECTRAL IMAGERY . ERUPTION DETAILS: OCCURRED AT 17/0305 UTC. . DETAILS OF ASH CLOUD: MEXICO CITY HAS ISSUED A SIGMET INDICATING VOLCANIC ASH FROM COLIMA WAS OBSERVED AT 0305 UTC BETWEEN FL120 FL150. SATELLITE IMAGERY THROUGH 0315 UTC DID NOT REVEAL AN ASH CLOUD. MAXIMUM HEIGHT OF THE ERUPTING COLUMN WAS BELIEVED TO BE FL180. . TRAJECTORY: ASH WAS REPORTED MOVING TOWARD THE SOUTHEAST AT 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. . THE NEXT MESSAGE WILL BE ISSUED AROUND 17/1000 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN