FVXX22 KWBC 271615 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1615 UTC 27 OCTOBER 1999 BY THE WASHINGTON VAAC . COLIMA 99-050 MEXICO 19.51N 103.62W . BACKGROUND: COLIMA MEXICO (1401-04) SUMMIT HEIGHT 13451 FT (4100 M) . SOURCES OF INFORMATION: MEXICO CITY MWO...GOES 8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY...12 UTC UPPER-AIR DATA FROM MANZANILLO . ERUPTION DETAILS: ERUPTION OCCURRED AT 27/1455 UTC. . DETAILS OF ASH CLOUD: THE MEXICO CITY MWO HAS REPORTED THAT SEVERAL SMALL ERUPTIONS OF ASH AND STEAM HAVE OCCURRED AT THE COLIMA VOLCANO. THE LAST AND MORE IMPRESSIVE EXHALATION OCCURRED AT 1455 UTC. SATELLITE IMAGERY CONFIRMS THESE SMALL EXHALATIONS OF ASH AND STEAM AND THEY ARE REACHING FL200. THE MOVEMENT IS OFF TO THE SOUTHWEST AWAY FROM THE SUMMIT. . TRAJECTORY: SOUTHWEST AT 5 TO 10 KNOTS BASED ON SATELLITE IMAGERY. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS http://www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 27/2230 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. ORRISON . NNNN