FVXX21 KWBC 170800 VOLCANIC ASH ADVISORY ISSUED 0800 UTC 17 OCT 2000 BY THE WASHINGTON VAAC . POPOCATEPETL 00-087 MEXICO 1901N 9837W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: GOES-8 INFRARED IMAGERY AND MULTISPECTRAL IMAGERY. SIX HOUR WIND FORECAST FROM THE 16/1800 UTC AVIATION MODEL. MEXICO CITY UPPER AIR SOUNDING. . ERUPTION DETAILS: ERUPTION AROUND 1730 UTC. . DETAILS OF ASH CLOUD: ASH IS NO LONGER SEEN IN THE SATELLITE IMAGERY THROUGH 17/0715 UTC. . TRAJECTORY: ANY REMAINING ASH AT FL250 WILL MOVE TOWARDS THE NORTH AT 10-15 KNOTS. . OUTLOOK: SEE SIGMETS. . THIS IS THE LAST ADVISORY ON 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. . WALTER . NNNN