FVXX21 KWBC 271930 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1930 UTC 27 NOV 1999 BY THE WASHINGTON VAAC . TUNGURAHUA 99-175 ECUADOR 1.47S 78.44W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE AND MULTISPECTRAL AND INFRARED IMAGERY...SIGMET FROM GUAYAQUIL METEOROLOGICAL WATCH OFFICE... REPORT FROM THE GEOFISICO INSTITUTO. . ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS . DETAILS OF ASH: NO ASH IS SEEN IN SATELLITE IMAGERY THROUGH 27/1845 UTC. THE GEOFISICO INSTITUTO REPORTS THAT THE VOLCANO HAS AN ALMOST PERMANENT PLUME OF GASES AND A LITTLE ASH THAT REACHES AROUND 1KM (3,300FT) ABOVE THE SUMMIT TO AROUND FL200. . TRAJECTORY: ASH AT ABOUT FL200 WILL MOVE TO THE SOUTHWEST AT LESS THAN 15 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 AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 28/0130 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN