FVXX22 KWBC 152000 VOLCANIC ASH ADVISORY ISSUED 2000 UTC 15 OCT 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1144 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE IN QUITO. UPPER WINDS FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: LAST MAJOR ERUPTION OCCURRED AT 14/2324 UTC . DETAILS OF ASH CLOUD: THERE HAVE BEEN NO FURTHER REPORTS OF AN ERUPTION AT THE VOLCANO SINCE THE 14/2324 UTC MAJOR ERUPTION AND POSSIBLE SECOND ERUPTION AT 15/0630 UTC. CLOUDS COVER THE REGION AROUND THE VOLCANO MAKING ANY DETECTION OF ASH DIFFICULT. THE VOLCANO REMAINS UNSTABLE AND MAY HAVE ADDITIONAL EMISSIONS AT ANY TIME. . TRAJECTORY: ANY ASH AT SUMMIT LEVEL WOULD MOVE TOWARDS THE WEST AT 15 KTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT MESSAGE WILL BE ISSUED BY 16/0200 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. . KARST . NNNN