FVXX22 KWBC 181830 VOLCANIC ASH ADVISORY ISSUED 1830 UTC 18 OCT 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1154 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. SIX HOUR WIND FORECAST FROM THE 18/1200 UTC AVIATION MODEL. . ERUPTION DETAILS: ERUPTION AT 18/1036 UTC TO FL260. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 18/1745 UTC DOES NOT INDICATE ANY ASH FROM THE ERUPTION AT 1036 UTC. THE VOLCANO REMAINS UNSTABLE AND FURTHER ERUPTIONS MAY OCCUR AT ANY TIME. . TRAJECTORY: ASH TO FL260 WILL MOVE WEST NORTHWEST AT UP TO 10 KNOTS. . OUTLOOK: SEE SIGMETS . THE NEXT ADVISORY WILL BE ISSUED BY 19/0030 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. . NNNN