FVXX21 KWBC 290630 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0630 UTC 29 FEB 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-253 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: SATELLITE IMAGERY THRU 29/0415 UTC SHOWS EXTENSIVE CLOUDINESS OVER THE AREA. THIS MAKES ANY DETECTION OF ASH AND STEAM DIFFICULT. . TRAJECTORY: ASH TO FL240 WOULD MOVE TOWARDS THE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 29/1230 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