FVXX21 KWBC 061900 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1900 UTC 06 FEB 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-153 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...MULTISPECTRAL AND INFRARED IMAGERY...GEOPHYSICAL INSTITUTE IN QUITO...GUAYAQUIL MWO... . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM... . DETAILS OF ASH: THE GUAYAQUIL MWO REPORTED EARLIER IN THE DAY THAT THERE WAS ASH OVER THE VOLCANO REACHING FL230. HOWEVER THE SATELLITE IMAGERY THROUGH 06/1815 UTC STILL SHOWS AN ABUNDANCE OF CLOUDINESS WITH NO ASH SEEN AT THIS TIME. . TRAJECTORY: ANY ASH REACHING FL230 IS EXPECTED TO MOVE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL STILL BE ISSUED BY 07/0100 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/TURK . NNNN