FVXX21 KWBC 100530 VOLCANIC ASH ADVISORY ISSUED 0530 UTC 10 JUL 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-804 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 SHOWS SCATTERED CLOUDS OVER THE VOLCANO MAKING ANY DETECTION OF ASH DIFFICULT. 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 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 10/1130 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