FVXX22 KWBC 160145 VOLCANIC ASH ADVISORY ISSUED 0145 UTC 16 OCT 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1145 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE IN QUITO. UPPER WINDS FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 16/0115 UTC SHOWS BROKEN CLOUDS OVER THE AREA WITH NO ASH DETECTED. THE GEOPHYSICAL INSTITUTE REPORTED AT 15/2200 UTC THAT THE VOLCANO HAD BEEN QUIET FOR A PERIOD OF ABOUT 12 HOURS. HOWEVER THE VOLCANO REMAINS UNSTABLE AND MAY EMIT ASH AT ANY TIME. . TRAJECTORY: ANY ASH AT SUMMIT LEVEL WOULD MOVE TOWARDS THE WEST AT ABOUT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 16/0800 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