FVXX21 KWBC 130100 VOLCANIC ASH ADVISORY ISSUED 0100 UTC 13 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-944 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: GASES AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: WITH ONLY SCATTERED CLOUDS ACROSS THE REGION NO ASH COULD BE DETECTED IN SATELLITE IMAGERY THROUGH 12/2315 UTC. THERE HAVE BEEN NO REPORTS OF MAJOR ASH EMISSION FOR THE PAST 24 HOURS. THE VOLCANO HOWEVER REMAINS ACTIVE WITH NEAR SUMMIT ACTIVITY. . TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL240 WILL MOVE TOWARD THE WEST AROUND 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 13/0700 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