FVXX21 KWBC 031100 VOLCANIC ASH ADVISORY ISSUED: 2001DEC03/1100Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/264 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY THROUGH 1032Z. GUADELOUPE UPPER AIR SOUNDING. MVO REPORT. . ERUPTION DETAILS: BRIEF LOW LEVEL EMISSION OF ASH AROUND 1035Z. . DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED A BRIEF LOW LEVEL EMISSION OF ASH FROM THE VOLCANO THAT WAS ESTIMATED AROUND FL080 AND MOVING WEST AND THAT THE VOLCANO WAS NO LONGER PRODUCING ASH. NO ASH CAN BE DETECTED IN SATELLITE IMAGERY THROUGH 1045Z DUE TO THICK HIGH LEVEL CLOUDS OVER THE AREA. . TRAJECTORY: ANY ASH BELOW FL100 WILL MOVE WEST AROUND 20 KNOTS. . OUTLOOK: SEE SIGMETS. . NEXT ADVISORY: WILL BE ISSUED BY 2001DEC03/1700Z. . NNNN