FVXX21 KWBC 181325 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1325 UTC 18 FEB 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-207 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: THE GEOPHYSICAL INSTITUTE IN QUITO...GUAYAQUIL MWO...GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. . ERUPTION DETAILS: OCCASIONAL EXPLOSIONS... . DETAILS OF ASH: GOES-8 SATELLITE IMAGERY AS OF 18/1245 UTC INDICATES A VERY SMALL AREA OF ASH AND STEAM LEAVING THE SUMMIT AND PUSHING TO THE WEST-SOUTHWEST. SUPPORTING THIS CONCLUSION IS THE LATEST GEOPHYSICAL INSTITUTE REPORT AT 1245 UTC WHICH INDICATES ASH OVER THE VOLCANO. THE ASH AND STEAM IS BELIEVED TO BE REACHING ABOUT FL200. . TRAJECTORY: WEST-SOUTHWEST AT 10 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 18/1930 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