FVXX21 KWBC 101120 VOLCANIC ASH ADVISORY ISSUED 1120 UTC 10 JUL 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-805 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: NO ASH WAS DETECTED IN SATELLITE IMAGERY THRU 1045 UTC HOWEVER THERE WAS A BRIEF HOT SPOT NOTED IN THE 0915 UTC IMAGE. THERE HAVE BEEN NO REPORTS OF ANY MAJOR ERUPTIONS OF ASH HOWEVER THE VOLCANO REMAINS UNSTABLE. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL220 IS FORECAST TO MOVE TOWARD THE WEST TO SOUTHWEST AROUND 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 10/1730 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