FVXX21 KWBC 292200 VOLCANIC ASH ADVISORY ISSUED 2200 UTC 29 JUN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-761 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: ASH HAS NOT BEEN DETECTED IN SATELLITE IMAGERY THROUGH 29/2115 UTC. THE GEOPHYSICAL INSTITUTE REPORTS THERE HAVE ONLY BEEN A FEW MINOR EXPLOSIONS OF THE VOLCANO TODAY. SMALL EMISSIONS OF MOSTLY GASES WITH LITTLE ASH HAVE OCCURRED TODAY TO AN ESTIMATED HEIGHT BELOW FL200. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL200 WOULD MOVE TOWARDS THE WEST-NORTHWEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 30/0400 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. . CLARK . NNNN