FVXX21 KWBC 290700 VOLCANIC ASH ADVISORY ISSUED 0700 UTC 29 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1010 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: GAS AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 29/0645 UTC ALTHOUGH THERE ARE EXTENSIVE CLOUDS IN THE AREA. AT 29/0235 UTC THE GEOPHYSICAL INSTITUTE REPORTED ASH AT FL230 MOVING WEST. . TRAJECTORY: ASH AT FL230 WOULD MOVE TOWARDS THE WEST TO WEST SOUTHWEST AT ABOUT 20 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 29/1300 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