FVXX20 KWBC 180530 VOLCANIC ASH ADVISORY ISSUED 0530 UTC 18 NOV 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-290 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. UPPER AIR DATA FROM GUADELOUPE. . ERUPTION DETAILS: CONTINUOUS LOW LEVEL ASH PLUME. . DETAILS OF ASH CLOUD: NO ASH WAS DETECTED IN EITHER INFRARED OR MULTISPECTRAL IMAGERY THROUGH 0445 UTC. HOWEVER BECAUSE LOW LEVEL ASH IS HARD TO DETECT IN NIGHTTIME IMAGERY THE ADVISORY WILL CONTINUE UNTIL VISIBLE IMAGERY IS AGAIN AVAILABLE. . TRAJECTORY: ANY ASH WILL MOVE WEST AROUND 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 18/1130 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