FVXX20 KWBC 171800 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1800 UTC 17 JULY 1999 BY THE WASHINGTON VAAC . COLIMA 99-038 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 ERUPTION DETAILS: ERUPTION OCCURRED AT ABOUT 17/1742. . DETAILS OF ASH CLOUD: THE MEXICO CITY MWO HAS INDICATED AN ERUPTION OF COLIMA WITH ASH REACHING FL350. A GENERAL SOUTHWEST MOVEMENT HAS BEEN OBSERVED BY THE MEXICO CITY MWO ALSO. NO SATELLITE IMAGERY IS AVAILABLE AS OF YET SINCE THE ERUPTION TO DETECT ASH. . TRAJECTORY: SOUTHWEST MOVEMENT. . 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 www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE LATEST SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED AS SOON AS ADDITIONAL SATELLITE IMAGERY BECOMES AVAILABLE. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN