FVXX21 KWBC 051600 . VOLCANIC ASH ADVISORY ISSUED 1600 UTC 05 NOVEMBER 1999 BY THE WASHINGTON VAAC . TUNGURAHUA 99-077 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...BULLETIN AND WIND DATA FROM THE INSTITUTO GEOFISICO IN ECUADOR. . ERUPTION DETAILS: THE GUAYAQUIL MWO REPORTS VOLCANO ASH BETWEEN FL200 AND FL250. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 1515 UTC SHOWS ASH IS NOT VISIBLE DUE TO DENSE METEOROLOGICAL CLOUDS OVER THE VOLCANO. . TRAJECTORY: UPPER AIR WIND DATA SUGGESTS ASH BETWEEN FL200 AND FL250 WILL MOVE TO THE SOUTHEAST AT 10 TO 20 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 AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 05/2200 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN