FVXX21 KWBC 070720 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0720 UTC 07 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-281 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...0000 UTC AVIATION MODEL SOUNDING DATA . ERUPTION DETAILS: OCCASIONAL EMISSION OF GASES AND ASH. . DETAILS OF ASH: BROKEN AREAS OF CLOUDINESS FROM EARLIER SHOWERS AND THUNDERSTORMS CONTINUE ACROSS THE REGION THROUGH 07/0645 UTC. THERE HAS BEEN AN OCCASIONAL HOT SPOT OF NOTE AT THE SUMMIT BUT NO ASH CLOUDS ARE EVIDENT IN SATELLITE IMAGERY AT THIS TIME. ANY ASH OR STEAM THAT IS PRESENT IS BELIEVED TO BE MINOR IN NATURE WITH A HEIGHT NO GREATER THAN FL200. . TRAJECTORY: ANY ASH AND STEAM THAT MAY EXIST FROM THE SUMMIT TO FL200 SHOULD MOVE TO THE WEST-SOUTHWEST AT 15 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 07/1330 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. . ORRISON . NNNN