FVXX20 KWBC 282100 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 2100 UTC 28 MAY 1999 BY THE WASHINGTON VAAC . POPOCATEPETL 99-074 MEXICO 19.02N 98.62W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: GOES-8 MULTISPECTRAL SATELLITE IMAGERY. CENAPRED ONLINE POPO-CAM. 1200 UTC MEXICO CITY SOUNDING ... CENAPRED VOLCANO OBSERVATORY . ERUPTION DETAILS: ERUPTION AT APPROX 28/1230 UTC TO FL300. . DETAILS OF ASH CLOUD: NO ASH IS SEEN AT THIS TIME. . TRAJECTORY: WAS MOVING TOWARDS THE NORTH AND NORTH-NORTHEAST AT 30 KT . 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 IS THE LAST STATEMENT ON THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN