FVXX20 KWBC 280755 VOLCANIC ASH ADVISORY ISSUED 0755 UTC 28 NOV 2000 BY THE WASHINGTON VAAC . POPOCATEPETL 00-131 MEXICO 1901N 9837W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . INFORMATION SOURCE: GOES-8 MULTISPECTRAL AND INFRARED IMAGERY. 28/00 UTC UPPER AIR SOUNDING FROM MEXICO CITY. MEXICO CITY MWO . ERUPTION DETAILS: ERUPTION AT APPROXIMATELY 0015 UTC. . DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 0715 UTC SHOWS NO ASH IN THE VICINITY OF THE VOLCANO. THE PREVIOUS SMALL ASH CLOUD IS NO LONGER VISIBLE. TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT FL250 WOULD MOVE TO THE NORTHEAST AT ABOUT 25 KNOTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE LAST ADVISORY ISSUED FOR THIS EVENT. . REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWER CASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . BROWN . NNNN