FVXX21 KWBC 221845 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1845 UTC 22 NOV 1999 BY THE WASHINGTON VAAC . TUNGURAHUA 99-153 ECUADOR 1.47S 78.44W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. THE GEOFISICO INSTITUTO. . ERUPTION DETAILS: CONTINUOUS STEAM AND ASH EMISSIONS AS REPORTED BY THE GEOFISICO INSTITUTO. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 1745 UTC SHOWS DENSE CLOUDS OVER THE AREA MAKING IT IMPOSSIBLE TO SEE ANY ASH. SIGMET 3 FROM GUAYAQUIL REPORTED ASH OVER THE VOLCANO TO FL350 MOVING TOWARD THE EAST AND NORTHEAST. . TRAJECTORY: ASH AT FL350 IS MOVING TOWARD THE EAST AND NORTHEAST. . 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 23/0100 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . BROWN/SAB/NOAA/NESDIS . NNNN