FVXX21 KWBC 101000 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1000 UTC 10 MAR 1999 BY THE WASHINGTON VAAC . POPOCATEPETL 99-019 MEXICO 19.02N 98.62W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: GOES-8 SATELLITE INFRARED AND MULTISPECTRAL IMAGERY. . ERUPTION DETAILS: ERUPTION AT 10/0010 UTC TO FL210. . DETAILS OF ASH CLOUD: THERE HAS BEEN NO DETECTABLE ASH FOR OVER 6 HOURS (SINCE 0345 UTC) AND NO FURTHER REPORTS OF ASH. WE WILL CONTINUE TO MONITOR THE AREA. . TRAJECTORY: N/A. . 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 FINAL STATEMENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN