FVXX21 KWBC 190930 VOLCANIC ASH ADVISORY ISSUED 0930 UTC 19 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-970 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE 19/0000 UTC AVIATION MODEL. THE GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: ASH IS NOT SEEN IN THE SATELLITE IMAGERY THROUGH 19/0845 UTC. THE LAST OBSERVATION OF ASH BY THE GEOPHYSICAL INSTITUTE WAS AT 18/2122 UTC WITH ASH TO FL240. . TRAJECTORY: ASH AT FL240 WILL MOVE TOWARDS THE WEST-NORTHWEST AT 25-30 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 19/1530 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