FVXX21 KWBC 292200 VOLCANIC ASH ADVISORY STATEMENT ISSUED 2200 UTC 29 MAY 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-629 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE. 12 HOUR WIND FORECAST FROM THE 29/1200 AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 29/2145 UTC SHOWS A POSSIBLE ASH PLUME MOVING TO THE WEST ALTHOUGH EXTENSIVE CLOUDS OVER THE VOLCANO MAKING EXACT DETERMINATION DIFFICULT. THE LATEST GEOPHYSICAL INSTITUTE REPORT AT 29/1913 UTC REPORTED ASH AT FL270. . TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL270 WOULD MOVE TO THE WEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 30/0400 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