FVXX20 KWBC 181700 CCA VOLCANIC ASH ADVISORY - CORRECTION ISSUED 1700 UTC 18 NOV 2000 BY THE WASHINGTON VAAC . CORRECTION TO COORDINATES OF ASH PLUME TERMINATION POINT. . SOUFRIERE HILLS 00-292 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . INFORMATION SOURCE: GOES-8 VISIBLE.. INFRARED AND MULTISPECTRAL IMAGERY. UPPER AIR DATA FROM GUADELOUPE. . ERUPTION DETAILS: CONTINUOUS LOW LEVEL ASH PLUME. . DETAILS OF ASH CLOUD: A FAINT ASH PLUME ESTIMATED TO BE BELOW FL070 EXTENDS FROM THE SUMMIT TOWARD THE WEST TO THE POINT 1629N 6302W. THE PLUME IS 86 KM (46 NMI) LONG AND 9 KM (5 NMI) WIDE. THE PLUME IS BECOMING INCREASINGLY DIFFICULT TO SEE IN IMAGERY DUE TO THE INCREASE IN CLOUDS. . TRAJECTORY: ASH BELOW FL070 IS MOVING TOWARD THE WEST AT AROUND 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 18/2300 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