FVXX21 KWBC 301300 VOLCANIC ASH ADVISORY ISSUED 1300 UTC 30 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1015 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 REPORT. . ERUPTION DETAILS: GAS AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 30/1245 UTC UNDER MOSTLY CLEAR SKIES. THE GEOPHYSICAL INSTITUTE IS REPORTING ASH OVER THE VOLCANO AT FL230 MOVING TO THE SOUTHWEST. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL230 WILL MOVE TOWARDS THE SOUTHWEST AT ABOUT 10 TO 15 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 30/2000 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