FVXX21 KWBC 221530 VOLCANIC ASH ADVISORY ISSUED 1530 UTC 22 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-983 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: GAS AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: NO ASH IS DETECTED IN SATELLITE IMAGERY THROUGH 22/1445 UTC BECAUSE OF WEATHER CLOUDS AROUND THE VOLCANO. THE GEOPHYSICAL INSTITUTE DID REPORT ASH OVER THE SUMMIT AT 21/1212 UTC TO FL260 MOVING EAST TO NORTHEAST. . TRAJECTORY: THE WIND FORECAST IS LIGHT AND VARIABLE BETWEEN THE SUMMIT FL300. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 22/2100 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