FVXX22 KWBC 182200 VOLCANIC ASH ADVISORY ISSUED 2200 UTC 18 OCT 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1155 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE. TWELVE HOUR WIND FORECAST FROM THE 18/1200 UTC AVIATION MODEL. . ERUPTION DETAILS: ERUPTION AT 18/1036 UTC. . DETAILS OF ASH CLOUD: A NEW SIGMET FROM GUAYAQUIL INDICATES VOLCANIC ASH NOW UP TO FL350 AT 18/2110 UTC AND MOVING EAST. SATELLITE IMAGERY AT THAT TIME DOES SHOW A VERY SMALL PLUME CENTERED NEAR THE SUMMIT. . TRAJECTORY: ASH AT FL350 WILL MOVE TOWARDS THE EAST AT 20 KNOTS. . OUTLOOK: SEE SIGMETS . THE NEXT ADVISORY WILL BE ISSUED BY 19/0400 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. . WALTER . NNNN