FVXX21 KWBC 260800 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0750 UTC 26 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-104 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL SATELLITE IMAGERY...WIND FORECAST FROM THE 26/0000 UTC AVIATION MODEL...JANUARY 25 REPORT FROM THE GEOPHYSICAL INSTITUTE . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM. . DETAILS OF ASH: NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 26/0615 UTC POSSIBLY DUE TO THE WEATHER CLOUDS IN THE VICINITY. . TRAJECTORY: UPPER AIR PATTERNS ARE LIGHT AND VARIABLE BETWEEN THE SUMMIT AND FL250. ANY ASH BETWEEN THE SUMMIT AND FL250 WOULD MOVE AT 2 TO 8 KNOTS. MOVEMENT TO THE WEST IS LIKELY. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 26/1400 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. . NNNN