FVXX21 KWBC 220930 VOLCANIC ASH ADVISORY ISSUED 0930 UTC 22 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-982 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. SIX HOUR WIND FORECAST FROM THE 22/0000 UTC AVIATION MODEL. THE GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: GAS AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: ASH IS NOT SEEN ON CURRENT SATELLITE IMAGERY THROUGH 22/0845 UTC. THE GEOPHYSICAL INSTITUTE DID REPORT ASH OVER THE SUMMIT AT 21/1838 UTC TO FL270. . TRAJECTORY: ASH AT FL270 WILL MOVE TOWARDS THE WEST-SOUTHWEST AT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 22/1530 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. . WALTER . NNNN