FVXX21 KWBC 060800 VOLCANIC ASH ADVISORY ISSUED 0800 UTC 06 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-917 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: NEARLY CONTINUOUS GASES AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: NO ASH COULD BE DISCERNED IN SATELLITE IMAGERY THROUGH 06/0715 UTC. CLOUD COVER COULD BE HAMPERING THE DETECTION OF ASH. THE GEOPHYSICAL INSTITUTE NOTED IN ITS DAILY REPORT FOR 05 AUGUST THAT COLUMNS WITH MODERATE AMOUNTS OF ASH WERE OBSERVED BOTH EARLY AND LATE IN THE DAY AS HIGH AS FL230. . TRAJECTORY: ANY ASH THAT MAY EXIST TO FL230 WOULD MOVE TOWARDS THE WEST OR WEST NORTHWEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 06/1400 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