FVXX21 KWBC 271230 VOLCANIC ASH ADVISORY STATEMENT....CORRECTION ISSUED 1230 UTC 27 FEB 2000 BY THE WASHINGTON VAAC . ...CORRECTION FOR NEXT STATEMENT TIME... . TUNGURAHUA 00-246 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. 0600 UTC AVIATION MODEL WINDS FORECAST. GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMET. . ERUPTION DETAILS: NEARLY CONTINUOUS EMISSION OF GASES AND ASH. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 1145 UTC SHOWS THICK CLOUDS OVER THE VOLCANO MAKING ASH DETECTION DIFFICULT. THE GEOPHYSICAL INSTITUTE REPOST ESTIMATES THE ASH TO FL260 MOVING WESTERLY. . TRAJECTORY: ASH BELOW FL260 WILL MOVE WESTERLY AROUND 10 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 27/1830 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. . NNNN