FVXX20 KWBC 251830 VOLCANIC ASH ADVISORY ISSUED: 2000DEC25/1830Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2000/335 INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. AVIATION FORECAST WIND DATA. . ERUPTION DETAILS: ASH PLUME PRODUCED BY ROCKFALLS. . DETAILS OF ASH CLOUD: ASH IS NOT VISIBLE IN THE SATELLITE IMAGERY AT 25/1745Z DUE TO CLOUDINESS IN THE AREA. HOWEVER EARLIER ASH WAS VISIBLE AT 25/1645Z STRETCHING WEST AWAY FROM THE SUMMIT. . TRAJECTORY: ASH AT FL050 WILL MOVE TOWARDS THE WEST-NORTHWEST AT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 26/0030Z. . 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. . WALTER . NNNN