FVXX21 KWBC 061900 VOLCANIC ASH ADVISORY ISSUED 1850 UTC 06 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1045 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. GOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: AT 1730 UTC THE GEOPHYSICAL INSTITUTE REPORTED VOLCANIC ASH OVER THE VOLCANO TO FL230. NO ASH IS OBSERVED IN SATELLITE IMAGERY THROUGH 06/1815 UTC UNDER PARTLY CLOUDY SKIES. . TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL230 WOULD MOVE TO THE WEST OR SOUTHWEST AT ABOUT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 07/0100 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. . TURK . NNNN