FVXX20 KWBC 101300 VOLCANIC ASH ADVISORY ISSUED: 2001JAN10/1300Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/31 INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. 1200Z UPPER AIR SOUNDING FROM GUADELOUPE. . ERUPTION DETAILS: OCCASIONAL ROCKFALLS THAT PRODUCE LOW LEVEL ASH. . DETAILS OF ASH CLOUD: NO ASH IS VISIBLE ON GOES8 IMAGERY THROUGH 1215Z. AN OCCASIONAL HOT SPOT CAN BE SEEN IN SHORTWAVE IMAGERY. ASH TO FL100 WAS PREVIOUSLY OBSERVED IN VISIBLE IMAGERY LAST EVENING MOVING TOWARDS THE WEST NORTHWEST. . TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL100 WOULD MOVE TOWARD THE WEST AT 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 10/1900Z. . 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. . RUMINSKI . NNNN