FVXX21 KWBC 111930 VOLCANIC ASH ADVISORY ISSUED 1930 UTC 11 JUL 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-811 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: GASES WITH OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: CLOUDY CONDITIONS PERSIST IN THE AREA OF THE VOLCANO AS SHOWN IN SATELLITE IMAGERY THROUGH 11/1845 UTC. ASH WAS LAST SEEN IN SATELLITE IMAGERY AT 10/1645 UTC. THE GEOPHYSICAL INSTITUTE REPORTS THE VOLCANO HAS HAD LITTLE ACTIVITY OVER THE PAST 24 HOURS. HOWEVER THE VOLCANO REMAINS UNSTABLE WITH ERUPTIONS POSSIBLE AT ANY TIME. . TRAJECTORY: N/A . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 12/0130 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. . CLARK . NNNN