FVXX21 KWBC 091925 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1925 UTC 09 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-291 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY...AVIATION MODEL FORECAST DATA...GEOPHYSICAL INSTITUTE . ERUPTION DETAILS: OCCASIONAL EMISSION OF GASES AND ASH. . DETAILS OF ASH: CLOUDS OBSCURED THE VOLCANO THROUGH 09/1845 UTC MAKING IT IMPOSSIBLE TO DETECT ASH. ALTHOUGH THERE HAVE BEEN NO RECENT REPORTS OF ASH THE VOLCANO REMAINS SEISMICALLY ACTIVE AND A NEW ERUPTION COULD OCCUR AT ANY TIME. THE GEOPHYSICAL INSTITUTE INDICATED THAT 3 EXPLOSIONS WERE REGISTERED YESTERDAY. . TRAJECTORY: WINDS BETWEEN THE SUMMIT AND FL240 ARE GENERALLY BLOWING TOWARDS THE WEST. ALTHOUGH ASH CANNOT BE DETECTED IN SATELLITE IMAGERY ANY ASH THAT MIGHT EXIST BETWEEN FL160 AND FL200 WOULD MOVE TOWARD THE WEST AT 15 KNOTS WHILE ASH BETWEEN FL200 AND FL240 COULD BE EXPECTED TO MOVE TOWARDS THE WEST SOUTHWEST AT 10 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 10/0130 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