FVXX21 KWBC 221815 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1815 UTC 22 MAR 1999 BY THE WASHINGTON VAAC . POPOCATEPETL 99-047 MEXICO 19.02N 98.62W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY...MEXICO CITY MWO . ERUPTION DETAILS: ERUPTED AT APPROXIMATELY 22/1740 UTC . DETAILS OF ASH CLOUD: THE MEXICO CITY MWO REPORTED AN ERUPTION OF POPOCATEPETL TO FL350 AT 1740 UTC. SATELLITE IMAGERY THROUGH 22/1745 UTC CONFIREMD THE ERUPTION. . TRAJECTORY: TOWARD THE EAST NORTHEAST AT AN UNKNOWN SPEED. . 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 VAFTAD AND SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED WITHIN THE HOUR AFTER ADDITIONAL SATELLITE IMAGERY HAS BEEN ANALYZED. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN