FVXX21 KWBC 100100 VOLCANIC ASH ADVISORY ISSUED 0100 UTC 10 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1058 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 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 09/0015 UTC. THE GEOPHYSICAL INSTITUTE REPORTED NEAR SUMMIT ACTIVITY OF MOSTLY STEAM TODAY. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL180 WOULD MOVE TOWARDS THE WEST TO WEST SOUTHWEST AT APPROXIMATELY 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 10/0700 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. . . NNNN