FVXX20 KWBC 180615 VOLCANIC ASH ADVISORY ISSUED: 2002DEC18/0615Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2002/228 INFORMATION SOURCE: GOES-8 IMAGERY. UPPER AIR SOUNDING ERUPTION DETAILS: WEAK ASH EMISSIONS. OBS ASH DATE/TIME: 17/1745Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE IMAGERY. SFC/FL080 VRB AT 5-10 KNOTS. FL080/FL110 WINDS MOVING NE AT 10-15 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 0545Z. ASH AT LOW LEVELS IS DIFFICULT TO DISCERN AT NIGHT HOWEVER AND SCATTERED CLOUDS MAY ALSO BE PREVENTING THE DETECTION OF ASH. TURK NEXT ADVISORY: WILL BE ISSUED BY 2002DEC18/1215Z. NNNN