FVXX21 KWBC 081835 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1835 UTC 08 APR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-416 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE 08/1200 UTC AVIATION MODEL. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 08/1815 UTC SHOWED BROKEN CLOUDS IN THE VICINITY OF THE SUMMIT WITH NO DISCERNIBLE ASH PLUME. THE GEOPHYSICAL INSTITUTE REPORTED POSSIBLE ASH OVER THE VOLCANO AT 1616 UTC. THIS COULD NOT BE CONFIRMED IN SATELLITE IMAGERY DUE TO THE CLOUD COVER AT THAT TIME. . TRAJECTORY: ANY ASH THAT MAY EXIST UP TO FL300 WOULD MOVE TOWARDS THE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 09/0030 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS 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. . TURK . NNNN