FVXX21 KWBC 160140 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0140 UTC 16 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-318 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 15/1800 UTC AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF GASES AND ASH. . DETAILS OF ASH: A PILOT REPORT AT 15/1900 UTC INDICATED VOLCANIC ASH TO FL270 IN THE VICINITY OF THE VOLCANO. THE FINAL VISIBLE IMAGE OF THE DAY AT 15/2245 UTC SHOWED A NARROW ASH PLUME EXTENDING FROM THE SUMMIT TO 0134S 7838W OR APPROXIMATELY 25 KM (13 NMI) TO THE WEST SOUTHWEST. AT 15/2300 UTC LATACUNGA REPORTED VOLCANIC ASH OVER THE VOLCANO. A PLUME WAS NOT DISCERNIBLE IN EITHER INFRARED OR MULTISPECTRAL SATELLITE IMAGERY THROUGH 0115 UTC. . TRAJECTORY: ANY EXISTING ASH BETWEEN FL170 AND FL270 WOULD MOVE TOWARDS THE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 16/0730 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