FVXX21 KWBC 051520 VOLCANIC ASH ADVISORY ISSUED: 2002FEB05/1520Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2002/039 . INFORMATION SOURCE: MONTSERRAT VOLCANO OBSERVATORY. UPPER AIR SOUNDING FROM GUADELOUPE. . ERUPTION DETAILS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTS A PYROCLASTIC FLOW WITH ASH EMISSION AT AROUND 1510Z. . OBS ASH DATE/TIME: 05/1510Z. . OBS ASH CLOUD: SFC/FL100 MOVING W 10 KNOTS ASH NOT YET SEEN ON SATELLITE IMAGERY. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: INITIAL REPORT OF ASH BETWEEN FL080 AND FL100 MOVING WEST AT 10 KNOTS. ANALYST HUGHES. . NEXT ADVISORY: WILL BE ISSUED AS SATELLITE DATA IS ANALYZED. . NNNN