FVXX21 KWBC 301438 VOLCANIC ASH ADVISORY ISSUED 1438 UTC 30 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1117 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: EMISSION OF ASH AND STEAM AT 29/1332 UTC. . DETAILS OF ASH: EXTENSIVE CLOUD COVER PRECLUDED THE DETECTION OF ASH IN SATELLITE IMAGERY THROUGH 1415 UTC. . TRAJECTORY: ANY ASH THAT MIGHT EXIST NEAR THE SUMMIT LEVEL WOULD MOVE TOWARDS THE WEST AT APPROXIMATELY 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE AT 30/2030 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. . TURK . NNNN