FVXX21 KWBC 110145 VOLCANIC ASH ADVISORY ISSUED 0145 UTC 11 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1062 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: STEAM AND ASH EMISSIONS. . DETAILS OF ASH: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 11/0115 UTC. THE GEOPHYSICAL INSTITUTE REPORTED ASH AT FL230 AT 11/0118 UTC. . TRAJECTORY: ACCORDING TO AVIATION MODEL ASH FROM THE SUMMIT TO FL230 WOULD MOVE TOWARD THE SOUTHWEST AT APPROXIMATELY 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 11/0800 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