FVXX21 KWBC 280630 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0630 UTC 28 FEB 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-249 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE FORECAST WINDS. AVIATION MODEL WINDS FORECAST. . ERUPTION DETAILS: NEARLY CONTINUOUS EMISSION OF GASES AND ASH. . DETAILS OF ASH: NO ASH CAN BE DETETECTED IN SATELLITE IMAGERY THRU 28/0415 UTC DUE TO EXTENSIVE LOW AND MID LEVEL CLOUDS. THE GEOPHYSICAL INSTITUTE MENTIONS THAT THE VOLCANO REMAINS UNSTABLE AND THAT AN ERUPTION CAN OCCUR AT ANY TIME. . TRAJECTORY: N/A . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 28/1230 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 . NNNN