FVXX21 KWBC 150250 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0250 UTC 15 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-313 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 14/1800 UTC AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF GASES AND ASH. . DETAILS OF ASH: GOES-8 IMAGERY THROUGH 0215 UTC SHOWED BROKEN MID LEVEL CLOUDS BUT NO ASH. THE FINAL VISIBLE IMAGE AT 14/2245 UTC SHOWED A PLUME ESTIMATED AT FL190 EXTENDING FROM THE SUMMIT TO THE WEST. SURFACE OBSERVATIONS FROM RIOBAMBA AND LATACUNGA INDICATED VOLCANIC ASH OVER THE VOLCANO AT 14/2100 UTC AND 14/2300 UTC RESPECTIVELY. . TRAJECTORY: ANY REMAINING ASH AT FL190 WOULD MOVE TOWARDS THE WEST AT 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 15/0900 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