FVXX20 KWBC 040230 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0230 UTC 04 MAR 1999 BY THE WASHINGTON VAAC POPOCATEPETL 99-010 MEXICO 19.02N 98.62W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: AIRCRAFT OBSERVATION. GOES-8 VISIBLE IMAGERY. . ERUPTION DETAILS: AIRCRAFT OBSERVATION AT 1940 UTC REPORTED ASH EMISSION. MEXICO CITY MWO REPORTED AN EMISSION AT 1835 UTC. . DETAILS OF ASH CLOUD: THERE IS NO LONGER ANY INDICATION OF ASH ON THE GOES-8 INFRARED AND MULTISPECTRAL IMAGERY THROUGH 04/0215 UTC. . TRAJECTORY: ANY LINGERING ASH WOULD CONTINUE TO MOVING TOWARD THE EAST AT 30 TO 35 KTS. . 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 AND VAFTAD. . THIS WILL BE THE LAST MESSAGE FOR THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN