FVXX21 KWBC 060600 VOLCANIC ASH ADVISORY ISSUED 0600 UTC 06 JUL 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-788 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. SIX HOUR WIND FORECAST FROM THE 06/0000 UTC AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT . ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: ASH IS NOT SEEN ON THE SATELLITE IMAGERY THROUGH 06/0515 UTC. HOWEVER THE GEOPHYSICAL INSTITUTE DID REPORT VOLCANIC ASH OVER THE VOLCANO AT 05/2302 UTC. THE ASH WAS TO FL225 AND MOVING TOWARDS THE WEST. . TRAJECTORY: TOWARDS THE WEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 06/1200 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. . WALTER . NNNN