FVXX21 KWBC 270630 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0630 UTC 27 FEB 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-245 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 REPORT. 0000 UTC AVIATION MODEL WINDS FORECAST. GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMET . ERUPTION DETAILS: NEARLY CONTINUOUS EMISSION OF GASES WITH OCCASIONAL EMISSION OF ASH. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 0415 UTC SHOWS MID AND HIGH LEVEL CLOUDINESS OVER THE VOLCANO MAKING ASH DETECTION DIFFICULT. THE LAST SIGMET FROM THE GEOPHYSICAL INSTITUTE MENTIONS VOLCANIC ASH TO FL260 MOVING WEST. . TRAJECTORY: ASH TO FL260 WILL MOVE TOWARDS THE WEST AT 10 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 27/1230 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