FVXX21 KWBC 211247
VOLCANIC ASH ADVISORY
ISSUED: 2003APR21/1300Z   VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1643W06211    AREA: CARIBBEAN
                              
SUMMIT ELEVATION: 3000 FT (915 M) 
                              
ADVISORY NUMBER: 2003/425
 
INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. 

ERUPTION DETAILS: CONTINUED EMISSION OF GASES AND ASH.
 
OBS ASH DATE/TIME: 21/1215Z
 
OBS ASH CLOUD: SFC/FL070 10 NM WIDE LINE OF ASH EXTENDING
BETWEEN N1643W06211 N1653W062430. ASH IS MOVING W 10-15 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS
 
REMARKS:  VISIBLE IMAGERY SHOWS A NARROW PLUME OF ASH EXTENDING
TO THE WEST OF THE SUMMIT. A STRONG HOT SPOT CONTINUES IN SHORT
WAVE IMAGERY.....KARST

NEXT ADVISORY: WILL BE ISSUED BY 2003APR21/1900Z.

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"Attached Graphic Map Depicting Ash Only" 

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