FVXX22 KWBC 041043 VOLCANIC ASH ADVISORY ISSUED 1043 UTC 04 SEP 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-199 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. THE MONTSERRAT VOLCANO OBSERVATORY. UPPER AIR DATA FROM THE AVIATION MODEL AS WELL AS FROM THE 0000 UTC GUADELOUPE SOUNDING . ERUPTION DETAILS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED AN ERUPTION AT ABOUT 1000 UTC TO AROUND FL100 . DETAILS OF ASH CLOUD: THE FIRST VISIBLE SATELLITE IMAGE AT 1015 UTC SHOWED AN ASH PLUME EXTENDING FROM THE SUMMIT TO 1710N6231W OR ROUGHLY 65 KM (35 NMI) TO THE NORTHWEST. THE PLUME WAS ESTIMATED TO BE AT OR BELOW FL100 AND WAS UP TO 12 KM (6 NMI) WIDE. THE ASH WAS MOVING TOWARDS THE NORTHWEST. A HOT SPOT CONTINUED TO BE PROMINENT OVER THE VOLCANO IN THE 1015 UTC NEAR INFRARED SATELLITE IMAGE. . TRAJECTORY: TOWARDS THE NORTHWEST BETWEEN 10 AND 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 04/1630 UTC OR BEFORE IF ADDITIONAL INFORMATION BECOMES AVAILABLE. . 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. . TURK . NNNN