FVXX21 KWBC 101500 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1500 UTC 10 APR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-425 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 NATIONAL..WEATHER SERVICE NUMERICAL MODELS. . ERUPTION DETAILS: MOSTLY STEAM WITH SOME ASH . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 1415 UTC DOES NOT INDICATE ANY ASH ALTHOUGH THERE IS EXTENSIVE CLOUDS PRESENT. THE GEOPHYSICAL INSTITUTE REPORTS EMISSIONS OF MOSTLY STEAM OCCURRING AT APPROXIMATELY FL200. . TRAJECTORY: ANY ASH AT FL200 IS FORECASTED TO MOVE TOWARD THE WEST AT 15 TO 20 KNOTS. OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 10/2100 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. . SCHWARTZ NNNN