FVXX21 KWBC 132330 VOLCANIC ASH ADVISORY STATEMENT ISSUED 2330 UTC 13 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-052 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY... UPPER AIR DATA FROM THE GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM...POSSIBLY SOME STRONGER EXPLOSIONS... . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 13/2245 UTC DOES NOT DETECT ANY CURRENT ASH AND STEAM EMISSIONS FROM THE VOLCANO. HOWEVER CLOUDS COVER THE AREA AROUND THE VOLCANO MAKING ANY ASH DETECTION DIFFICULT. ADDITONAL EMISSIONS OF ASH AND STEAM MAY OCCUR AT ANY TIME SINCE THE VOLCANO REMAINS UNSTABLE. . TRAJECTORY: ASH AND STEAM FROM THE SUMMIT TO FL240 WOULD MOVE TO THE SOUTH-SOUTHWEST AT 10 KNOTS. . 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/) . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED AROUND 14/0530 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . KARST . NNNN