FVXX21 KWBC 122300 VOLCANIC ASH ADVISORY STATEMENT ISSUED 2300 UTC 12 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-048 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. REPORTS FROM THE GEOPHYSICAL INSTITUTE AND AVIATION MODEL WINDS FORECAST. . ERUPTION DETAILS: LATEST ERUPTION AROUND 12/1400 UTC. . DETAILS OF ASH: SATELLITE IMAGERY AT 12/2215 UTC INDICATES THAT THE ASH FROM THE EARLIER ERUPTION IS NO LONGER DISCERNIBLE IN SATELLITE IMAGERY. CLOUDS HAVE COVERED THE REGION AROUND THE VOLCANO MAKING ANY ASH DETECTION DIFFICUT. . TRAJECTORY: ANY ASH AT FL350 TO FL400 WILL MOVE SOUTH AROUND 20 TO 25 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 13/0500 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . KARST . NNNN