FVXX22 KWBC 090110 VOLCANIC ASH ADVISORY ISSUED: 2002NOV09/0110Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2002/181 . INFORMATION SOURCE: MONTSERRAT VOLCANO OBSERVATORY . ERUPTION DETAILS: PYROCLASTIC FLOW RESULTING IN ASH STARTING AROUND 08/1845Z . OBS ASH DATE/TIME: 08/1845Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL100 MOVING WEST 10 TO 20 KTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED INCREASED SEISMIC ACTIVITY AND STRONGER PYROCLASTIC FLOWS RESULTING IN A MIXTURE OF GASSES AND ASH TO FL050. THERE IS CONCERN THAT THE POTENTIAL EXISTS FOR MORE VIGOROUS ACTIVITY. LAST VISIBLE SATELLITE IMAGERY OF THE DAY AT 08/2045Z SHOWED A FAINT LOW LEVEL ASH PLUME TO THE WEST NORTHWEST OF THE ISLAND. ASH IS NOT IDENTIFIABLE IN MULTISPECTRAL IMAGERY THROUGH 09/0045Z ALTHOUGH AN OCCASIONAL HOT SPOT CAN BE SEEN. . NEXT ADVISORY: WILL BE ISSUED BY 09/0715Z. . NNNN