FVXX21 KWBC 120100 VOLCANIC ASH ADVISORY ISSUED 0100 UTC 12 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-940 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 REPORT. . ERUPTION DETAILS: GASES AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: MOSTLY CLOUDY CONDITIONS DOES NOT ALLOW FOR ANY ASH DETECTION IN SATELLITE IMAGERY THROUGH 11/2315 UTC. THE GEOPHYSICAL INSTITUTE HAS REPORTED SOME LIGHT NEAR SUMMIT EMISSIONS OF GASES AND ASH. . TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL240 WILL MOVE TOWARD THE WEST AROUND 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 12/0700 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER 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