FVXX21 KWBC 070700 VOLCANIC ASH ADVISORY ISSUED 0700 UTC 07 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1047 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 06 HOUR WIND FORECAST FROM THE 07/0000 UTC AVIATION MODEL. GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: ASH IS NOT SEEN IN THE SATELLITE IMAGERY THROUGH 07/0345 UTC. GOES-8 SATELLITE IMAGERY HAS NOT BEEN AVAILABLE FOR THE LAST SEVERAL HOURS DUE TO AN ECLIPSE. THE LAST CONFIRMED REPORT OF ASH WAS AT 06/1730 UTC WHEN THE GEOPHYSICAL INSTITUTE REPORTED VOLCANIC ASH OVER THE VOLCANO TO FL230. NO OTHER REPORTS OF ASH HAVE BEEN RECEIVED. . TRAJECTORY: ASH FROM THE SUMMIT TO FL230 SHOULD MOVE TO THE SOUTHWEST AT NEAR 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 07/1300 UTC. . REAL TIME SATELLITE IMAGERY AND 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. . ORRISON . NNNN