FVXX21 KWBC 090530 VOLCANIC ASH ADVISORY ISSUED 0530 UTC 09 JUL 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-800 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM AVIATION MODEL. . ERUPTION DETAILS: GASES WITH OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THRU 0445 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: ANY ASH FROM THE SUMMIT TO FL220 IS FORECAST TO MOVE TO THE WEST AROUND 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 09/1130 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