FVXX21 KWBC 182155 VOLCANIC ASH ADVISORY STATEMENT ISSUED 2155 UTC 18 FEB 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-209 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: CONTINUOUS ASH AND STEAM EMISSIONS... . DETAILS OF ASH: GOES-8 SATELLITE IMAGERY AS OF 18/2115 UTC DOES NOT INDICATE ANY DEFINABLE AREAS OF ASH. HOWEVER THERE HAVE BEEN VARIOUS SURFACE REPORTS THROUGHOUT THE DAY OF ASH OVER THE VOLCANO. SATELLITE IMAGERY DOES SHOW AN ABUNDANCE OF CLOUDINESS WHICH IS OBSCURING VIEW OF THE SUMMIT AND ADJACENT AREAS. THE MOST RECENT HEIGHT ASSESSMENT IS FL240 FOR THE ASH AND STEAM. . TRAJECTORY: SOUTH TO SOUTHWEST AT 10 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 19/0400 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