FVXX20 KWBC 181815 VOLCANIC ASH ADVISORY ISSUED: 2002DEC18/1815Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2002/230 INFORMATION SOURCE: GOES-8 IMAGERY. UPPER AIR SOUNDING. GFS MODEL WINDS FORECAST ERUPTION DETAILS: WEAK ASH EMISSIONS. OBS ASH DATE/TIME: 18/1145Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FLO70 MOVING E 5 KNOTS. FL080/FL110 MOVING NE 5-10 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTS SMALL SCALE ACTIVITY CONTINUING WITH LIGHT AND VARIABLE WINDS. ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 18/1745Z DUE TO EXTENSIVE WEATHER CLOUDS...BROWN NEXT ADVISORY: WILL BE ISSUED BY 2002DEC19/0015Z. NNNN