FVXX21 KWBC 040700 VOLCANIC ASH ADVISORY ISSUED 0700 UTC 04 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-909 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. SIX HOUR WIND FORECAST FROM THE 04/0000 UTC AVIATION MODEL. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: LATEST ERUPTION AT 03/2339 UTC. . DETAILS OF ASH: ASH IS NO LONGER SEEN IN THE SATELLITE IMAGERY THROUGH 04/0645 UTC. THE GEOPHYSICAL INSTITUTE REPORTED AT 03/2339 UTC ASH OVER THE SUMMIT BETWEEN FL280 AND FL310. . TRAJECTORY: ASH FROM THE SUMMIT TO FL310 WILL MOVE TOWARD THE WEST WEST-SOUTHWEST AT 20 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 04/1330 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER 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