FVXX21 KWBC 142330 VOLCANIC ASH ADVISORY ISSUED 2330 UTC 14 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1078 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: OCCASIONAL STEAM AND ASH EMISSIONS. . DETAILS OF ASH: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 14/2245 UTC ALTHOUGH THERE ARE EXTENSIVE CLOUDS IN THE AREA. THE GEOPHYSICAL INSTITUTE REPORTED LOW ACTIVITY TODAY WITH ASH POSSIBLY TO FL240 DURING A BRIEF EXPLOSION THIS PAST MORNING. . TRAJECTORY: ANY ASH UP TO FL240L WOULD MOVE TOWARD THE WEST AT ABOUT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 15/0530 UTC. . REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES 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. . CLARK . NNNN