FVXX21 KWBC 031330 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1330 UTC 03 JUN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-649 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 03/1245 UTC SHOWS A POSSIBLE PLUME OF ASH AND STEAM EXTENDING TO THE WEST SOUTHWEST OF THE VOLCANO. THE GEOPHYSICAL INSTITUTE REPORTS THAT THE VOLCANO HAS AN ALMOST CONTINUOUS PLUME OF ASH AND STEAM UP TO FL180. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN THE SUMMIT AND FL180 WOULD MOVE TOWARD THE WEST SOUTHWEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 03/1930 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. . KARST . NNNN