FVXX20 KWBC 110400 VOLCANIC ASH ADVISORY ISSUED: 2001JAN11/0400Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/34 INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. FORECAST WINDS FROM THE AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL ROCKFALLS THAT PRODUCE LOW LEVEL ASH. . DETAILS OF ASH CLOUD: NO ASH IS OBSERVED IN IMAGERY THROUGH 0345Z DUE TO LOW AND MID LEVEL CLOUDS IN THE VICINITY OF THE VOLCANO. ASH WAS OBSERVED EARLIER IN VISIBLE DATA MOVING TO THE WEST OF THE VOLCANO. A HOT SPOT CAN BE SEEN OCCASIONALLY IN SHORTWAVE IMAGERY. TRAJECTORY: ASH BETWEEN THE SUMMIT AND FL100 IS MOVING TOWARD THE WEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 11/1030Z. . 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