FVXX21 KWBC 240000 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0000 UTC 24 MAR 1999 BY THE WASHINGTON VAAC . POPOCATEPETL 99-053 MEXICO 19.02N 98.62W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: MEXICO CITY MWO AND CENAPRED . ERUPTION DETAILS: ERUPTED AT APPROXIMATELY 23/1635 UTC . DETAILS OF ASH CLOUD: GOES 8 VISIBLE AND INFRARED IMAGERY THRU 2345 UTC DOES NOT INDICATE ANY ASH FROM THE EARLIER ERUPTION. SHORTWAVE IMAGERY DOES NOT INDICATE A HOT SPOT AND MULTISPECTRAL IMAGERY DOES NOT INDICATE ANY ASH EITHER. . TRAJECTORY: NONE. . 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. . THIS WILL BE THE LAST MESSAGE FOR THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN