FVXX21 KWBC 080702 VOLCANIC ASH ADVISORY ISSUED 0702 UTC 08 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1051 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 08/0000 UTC AVIATION MODEL. GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: ASH IS NOT VISIBLE IN THE SATELLITE IMAGERY THROUGH 08/0645. DENSE CLOUDS PERSISTED IN THE AREA OF THE VOLCANO.. BUT THE 0645Z SATELLITE IMAGE SHOWS RELATIVELY CLEAR SKIES. THE LAST OBSERVATION OF ASH FROM THE GEOPHYSICAL INSTITUTE WAS AT 07/1838 UTC WITH ASH BETWEEN FL190 AND FL220. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL220 WILL MOVE TOWARDS THE WEST AT 5 TO 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 08/1300 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. . RENKEVENS . NNNN