FVXX21 KWBC 261830 VOLCANIC ASH ADVISORY ISSUED 1830 UTC 26 JUN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-747 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. 12 HOUR WIND FORECAST FROM THE 26/0600 UTC AVIATION MODEL. . ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: NO ASH COULD BE DISCERNED IN SATELLITE IMAGERY THROUGH 26/1745 UTC. THERE BEEN NO INDEPENDENT CONFIRMATION OF ASH FOR APPROXIMATELY 24 HOURS. . TRAJECTORY: N/A . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 27/0030 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