FVXX20 KWBC 180135 VOLCANIC ASH ADVISORY ISSUED: 2001NOV18/0135Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/261 . INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: ONGOING ASH EMISSION . DETAILS OF ASH CLOUD: FAINT AND DIFFUSE ASH WAS STILL DETECTED IN VISIBLE IMAGERY ENDING AT 2015Z BUT NO ASH HAS BEEN DETECTED IN INFRARED OR MULTISPECTRAL IMAGERY THROUGH 0045Z. NOR IS THERE EVIDENCE OF A HOT SPOT. ANY ASH THAT MAY REMAIN IS ESTIMATED TO BE NEAR FL070 BASED ON THE EASTWARD DRIFT NOTED IN THE FINAL VISIBLE IMAGES OF THE DAY. . TRAJECTORY: ANY ASH THAT MIGHT EXIST TO FL070 WOULD REMAIN QUASI STATIONARY OR DRIFT SLOWLY TOWARDS THE EAST AT LESS THAN 5 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 18/0830Z. . INTERNET URLS... MESSAGE LISTSERV WWW.SSD.NOAA.GOV/VAAC/SUBSCRIBE.HTML MESSAGES GRAPHICS AND IMAGERY WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWERCASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . TURK . NNNN