FVXX21 KWBC 241900 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1900 UTC 24 FEB 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-234 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY...GEOPHYSICAL INSTITUTE.....1200 UTC AVIATION MODEL DATA. . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 24/1815 UTC DOES NOT SHOW ANY ASH BUT THERE CONTINUES TO BE EXTENSIVE CLOUDS IN THE AREA. THE REPORT FROM THE GEOPHYSICAL INSTITUTE FROM EARLIER TODAY INDICATES ASH AT FL280 MOVING WEST TO NORTHWEST. . TRAJECTORY: ANY ASH AT FL280 IS FORECASTED TO MOVE WEST AT 15 TO 20 KNOTS. OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 25/0100 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. . . NNNN