FVXX21 KWBC 110200 VOLCANIC ASH ADVISORY ISSUED 0200 UTC 11 OCT 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-269 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. MONTSERRAT VOLCANO OBSERVATORY REPORT 0000 UTC GUADELOUPE UPPER AIR SOUNDING . ERUPTION DETAILS: ROCKFALLS PRODUCING LOW LEVEL ASH AND STEAM . DETAILS OF ASH CLOUD: GOES-8 INFRARED SATELLITE IMAGERY THROUGH 11/0145 UTC SHOWS NO ASH. THE LAST VISIBLE IMAGERY OF THE DAY AT 10/2132 SHOWED A LOW LEVEL PLUME EXTENDING FROM THE VOLCANO FOR ABOUT 35 NMI TO THE WEST-NORTHWEST. THE MONTSERRAT VOLCANO OBSERVATORY REPORTS OCCASIONAL ROCKFALL PRODUCING STEAM AND ASH AT OR BELOW FL050. TRAJECTORY: ASH AT FL050 WOULD MOVE TOWARD THE WEST NORTHWEST AT ABOUT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 11/0800 UTC. . 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