FVXX21 KWBC 121300 VOLCANIC ASH ADVISORY ISSUED 1300 UTC 12 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-942 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE 12/0600 UTC AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: GASES AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: ASH WAS NOT DETECTED ON THE SATELLITE IMAGERY THROUGH 12/1215 UTC. THE LAST REPORT OF ASH WAS BY THE GEOPHYSICAL INSTITUTE AT 11/2004 UTC WITH UNKNOWN HEIGHT. . TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL240 WILL MOVE TOWARDS THE SOUTHWEST AT 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 12/1900 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. . WALTER . NNNN