FVXX21 KWBC 082330 VOLCANIC ASH ADVISORY ISSUED 2330 UTC 08 JUL 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-799 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 AVIATION MODEL. . ERUPTION DETAILS: GASES WITH OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: LATEST SATELLITE IMAGERY THRU 2245 UTC DOES NOT INDICATE ANY VOLCANIC ASH IN THE VICINITY OF THE VOLCANO. THE VOLCANO REMAINS UNSTABLE AND AN ERUPTION MAY OCCUR AT ANY TIME. . TRAJECTORY: ACCORDING TO THE LATEST WIND FORECASTS FROM THE AVIATION MODEL ANY ASH FROM THE SUMMIT TO FL220 WOULD MOVE TOWARDS THE WEST OR SOUTHWEST AT 10 TO 15 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 09/0530 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER 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