FVXX21 KWBC 141630 VOLCANIC ASH ADVISORY ISSUED 1630 UTC 14 JUL 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-821 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. WIND FORECAST FROM THE AVIATION MODEL . ERUPTION DETAILS: GASES WITH OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THRU 14/1545 UTC SHOWS EXTENSIVE LOW AND MID LEVEL CLOUDINESS OVER THE VOLCANO MAKING IT DIFFICULT TO DETECT ANY ASH. THE GEOPHYSICAL INSTITUTE REPORTED ASH OVER THE VOLCANO AT 14/0100 UTC. THE VOLCANO REMAINS UNSTABLE AND AN ERUPTION MAY OCCUR AT ANY TIME. . TRAJECTORY: ASH FROM THE SUMMIT TO FL240 WILL MOVE TOWARDS THE WEST AT 10-15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 14/2230 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. . KARST . NNNN