FVXX21 KWBC 062300 . VOLCANIC ASH ADVISORY ISSUED 2300 UTC 06 NOVEMBER 1999 BY THE WASHINGTON VAAC . TUNGURAHUA 99-082 ECUADOR 1.47S 78.44W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMETS AND THE INSTITUTO GEOFISICO. . 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 THROUGH 2245 UTC SHOWS BROKEN COVERAGE OF METEOROLOGICAL CLOUDS AROUND THE VOLCANO HOWEVER NO ASH CAN BE DETECTED. . TRAJECTORY: UPPER AIR WIND DATA SUGGESTS ASH BETWEEN FL200 AND FL250 WILL MOVE SOUTHEASTERLY AROUND 10 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 07/0500 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN