FVXX21 KWBC 090730 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0730 UTC 09 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-289 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...AVIATION MODEL FORECAST DATA. . ERUPTION DETAILS: OCCASIONAL EMISSION OF GASES AND ASH. . DETAILS OF ASH: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 09/0645 UTC. THERE IS AN ABUNDANCE OF CLOUDINESS IN THE AREA WHICH IS HELPING TO OBSCURE THE SUMMIT. HOWEVER THERE HAVE BEEN NO RECENT REPORTS OF ASH. THE VOLCANO DOES REMAIN SEISMICALLY ACTIVE AND A NEW ERUPTION COULD OCCUR AT ANY TIME. THE ERUPTIONS OF THE LAST WEEK HAVE GENERALLY RESULTED IN ASH EXTENDING FROM NEAR-SUMMIT TO AS HIGH AS FL240. . TRAJECTORY: ANY NEW ASH FROM THE SUMMIT TO FL240 SHOULD MOVE TO THE WEST-SOUTHWEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 09/1330 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