FVXX20 KWBC 210938 VOLCANIC ASH ADVISORY ISSUED: 2003JAN21/1000Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2003/076 INFORMATION SOURCE: GOES-8 IMAGERY. NOAA-16 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: CONTINUING ASH AND STEAM EMISSIONS. OBS ASH DATE/TIME: 21/0625Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE ON SATELLITE IMAGERY. WINDS SFC/FL060 MOVING W AT 20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: HIGH AMOUNTS OF WEATHER CLOUDS CONTINUE TO HAMPER ASH DETECTION TONIGHT NEAR MONTSERRAT. THE 0625Z NOAA-16 IMAGERY SHOWED A HOTSPOT THROUGH A BREAK IN THE CLOUDS SO THERE IS A GOOD LIKELYHOOD THAT ASH IS STILL PRESENT. WILL CONTINUE TO MONITOR THE VOLCANO FOR MAJOR CHANGES IN ASH ACTIVITY...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 2003JAN21/1600Z. NNNN