FVXX21 KWBC 102100 VOLCANIC ASH ADVISORY STATEMENT ISSUED 2100 UTC 10 APR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-426 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: ASH AND STEAM EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 2015 UTC DOES NOT INDICATE ANY DEFINITE AREAS OF ASH. HOWEVER THERE ARE OCCASIONAL SUGGESTIONS IN MULTISPECTRAL IMAGERY OF BRIEF EMISSIONS OF PUFFS OF ASH AND STEAM. ANY ASH OR STEAM EMISSIONS ARE BELIEVED AT THIS TIME TO BE NEAR-SUMMIT WITH A HEIGHT AS HIGH AS FL200. . TRAJECTORY: ANY ASH AND STEAM FROM THE SUMMIT TO FL200 SHOULD MOVE TO THE WEST-NORTHWEST AT 15 TO 20 KNOTS. OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 11/0300 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. . ORRISON . NNNN