FVXX20 KWBC 090055 VOLCANIC ASH ADVISORY ISSUED: 2001FEB09/0055Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/80 . INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. SIX HOUR AVN MODEL FORECAST. . ERUPTION DETAILS: ROCKFALLS PRODUCING ASH. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 09/0015Z DOES NOT SHOW ANY VISIBLE ASH PLUME. SCATTERED LOW LEVEL CLOUDS ARE MAKING ASH DETECTION DIFFICULT. THE LAST VISIBLE SATELLITE IMAGE OF THE DAY AT 08/2115Z DID SHOW A PLUME EXTENDING WEST SOUTHWEST FROM THE ISLAND. THIS ASH IS ESTIMATED AT OR BELOW FL050. . TRAJECTORY: WEST SOUTHWEST AT 15-20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 09/0700Z. . 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