FVXX21 KWBC 252145 VOLCANIC ASH ADVISORY STATEMENT ISSUED 2145 UTC 25 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-102 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 25/0600 UTC AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 25/2045 UTC SHOWS NO DEFINITE ASH SIGNATURES. ASH IS OBSERVED BY LOCAL SURFACE REPORTS IN THE VICINITY OF THE VOLCANO AND IN ALL QUADS AS REPORTED BY THE GUAYAQUIL MWO. ASH WAS PREVIOUSLY ESTIMATED AT FL250. . TRAJECTORY: ANY ASH AT FL250 WOULD MOVE TOWARD THE EAST TO SOUTHEAST AT 5-10 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 26/0400 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. . NNNN