FVXX21 KWBC 101915 VOLCANIC ASH ADVISORY ISSUED 1915 UTC 10 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1061 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. GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: STEAM AND POSSIBLE ASH EMISSIONS. . DETAILS OF ASH: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 10/1815 UTC. THE MWO AT GUAYAQUIL REPORTED NO ACTIVITY TODAY. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL180 WOULD MOVE TOWARD THE WEST-SOUTHWEST AT APPROXIMATELY 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE LAST MESSAGE UNTIL ASH IS REPORT OR OBSERVED IN SATELLITE IMAGERY. . 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