FVXX21 KWBC 041115 VOLCANIC ASH ADVISORY ISSUED 1115 UTC 04 OCT 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1121 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE 04/0600 UTC AVIATION MODEL. . ERUPTION DETAILS: GEOPHYSICAL INSTITUTE REPORT. . DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE IS REPORTING ASH OVER THE VOLCANO TO FL250. EARLY MORNING SATELLITE IMAGERY THROUGH 04/1045 UTC SHOWS CLOUDS OVER THE AREA AND NO INDICATION OF ASH. . TRAJECTORY: ASH AT FL250 WILL MOVE TOWARDS THE SOUTHWEST AT 5 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 04/1730 UTC. . 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