FVXX20 KWBC 151710 VOLCANIC ASH ADVISORY ISSUED: 2002DEC15/1710Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2002/219 INFORMATION SOURCE: GOES-8 IMAGERY. MONTSERRAT VOLCANO OBSERVATORY. UPPER AIR SOUNDING. ERUPTION DETAILS: ASH EMISSIONS BEGINNING AROUND 15/1545Z OBS ASH DATE/TIME: 15/1645Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE DATA. WINDS SFC/FL070 MOVING W 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED INTERMITTENT PULSES OF LOW LEVEL ASH OVER THE PAST HOUR. THIS ACTIVITY APPEARS TO BE INCREASING. DENSE ASH WAS REPORTED UP TO FL070 MOVING WEST-NORTHWEST. SATELLITE IMAGERY THROUGH 15/1645Z SHOWS LOW LEVEL CLOUDS OBSCURING THE ASH. NEXT ADVISORY: WILL BE ISSUED BY 15/2300Z NNNN