FVXX21 KWBC 210730 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0730 UTC 21 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-083 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...0000 UTC DATA PROVIDED BY THE GEOPHYSICAL INSTITUTE IN QUITO...SIGMET FROM GUAYAQUIL METEOROLOGICAL WATCH OFFICE . ERUPTION DETAILS: CONTINUOUS EMISSIONS OF ASH AND STEAM... . DETAILS OF ASH: GOES-8 SATELLITE IMAGERY THROUGH 0645 UTC SHOWS DENSE MIDDLE AND HIGH LEVEL CLOUDS OVER THE VOLCANO HINDERING THE DETECTION OF ASH. . TRAJECTORY: TOWARD THE WEST AT 20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 21/1330 UTC. . 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/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . KARST/NOAA/NESDIS/SAB . NNNN