FVXX20 KWBC 071000 VOLCANIC ASH ADVISORY ISSUED: 2001OCT07/1000Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/239 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 00Z GUADELOUPE UPPER LEVEL SOUNDING. MONTSERRAT VOLCANO OBSERVATORY . ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH CLOUD: IT REMAINS DIFFICULT TO DETECT ANY LOW LEVEL ASH FROM SOUFRIERE HILLS IN INFRARED IMAGERY. THE LAST VISIBLE IMAGERY AT 06/2115Z SHOWED A FAINT ASH PLUME ESTIMATED AT FL060 EXTENDING TO THE WEST OF THE SUMMIT. . TRAJECTORY: ASH AT FL060 WILL MOVE TOWARDS THE WEST AT ABOUT 20 KNOTS. OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 07/1600Z. . 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. . KARST . NNNN