FVXX21 KWBC 222100 VOLCANIC ASH ADVISORY ISSUED 2100 UTC 22 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-984 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 22/2015 UTC ALTHOUGH THERE ARE EXTENSIVE CLOUDS AROUND THE VOLCANO. THE GEOPHYSICAL INSTITUTE REPORTED ASH OVER THE SUMMIT AT 21/1212 UTC TO FL260 MOVING EAST TO NORTHEAST. . TRAJECTORY: THE WIND FORECAST INDICATES LIGHT AND VARIABLE WINDS AT AND BELOW FL260. OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 23/0300 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