FVXX21 KWBC 082100 . VOLCANIC ASH ADVISORY ISSUED 2100 UTC 08 NOV 1999 BY THE WASHINGTON VAAC . TUNGURAHUA 99-091 ECUADOR 1.47S 78.44W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY . ERUPTION DETAILS: THE INSTITUTO GEOFISICO REPORTS A NEARLY CONTINUOUS EMISSION OF STEAM AND ASH NEAR THE SUMMIT AND STRONG SEISMIC ACTIVITY. . DETAILS OF ASH: SATELLITE IMAGERY THRU 2045 UTC DETECTS NO ASH OR STEAM BEING EMITTED FROM THE VOLCANO DUE TO DENSE CLOUDINESS IN THE AREA. ANY VOLCANIC ASH IN THE VICINITY OF THE SUMMIT WOULD BE NEAR FL200 BASED ON REPORTS FROM GUAYAQUIL. . TRAJECTORY: ANY ASH AT FL200 WILL MOVE NORTHWARD AT 5 KTS. . 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 09/0300 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . KARST . NNNN