FVXX22 KWBC 281530 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1530 UTC 28 OCTOBER 1999 BY THE WASHINGTON VAAC . COLIMA 99-052 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 GUADALAJARA . ERUPTION DETAILS: ERUPTION OCCURRED AT 28/1445 UTC. . DETAILS OF ASH CLOUD: THE MEXICO CITY MWO HAS REPORTED A VERY SMALL EMISSION OF ASH AND STEAM AT THE COLIMA VOLCANO. THE LATEST SATELLITE IMAGERY THROUGH 28/1515 UTC DOES VERIFY A VERY SMALL AREA OF ASH AND STEAM MOVING TO THE WEST-SOUTHWEST OF THE VOLCANO. COLIMA TOWER HAS COORDINATED WITH THE MWO AND THEY INDICATE THAT THE ASH AND STEAM IS AT FL140 WHICH IS NEAR-SUMMIT. . TRAJECTORY: WEST-SOUTHWEST AT 5 TO 10 KNOTS AT FL140. . 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 STATEMENT WILL BE ISSUED BY 28/2130. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. ORRISON . NNNN