FVXX21 KWBC 120715 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0715 UTC 12 MAY 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-557 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...WINDS FORECAST FROM THE 0000 UTC AVN MODEL. . ERUPTION DETAILS: OCCASIONAL STEAM AND ASH EMISSIONS. . DETAILS OF ASH: NO ASH COULD BE DISCERNED IN SATELLITE IMAGERY THROUGH 0645 UTC. ASH WAS LAST REPORTED AT 11/2000 UTC TO FL260. . TRAJECTORY: ANY ASH THAT MAY EXIST FROM THE SUMMIT TO FL260 WOULD MOVE TOWARDS THE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 12/1300 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. . TURK . NNNN