FVXX20 KWBC 221231
VOLCANIC ASH ADVISORY
ISSUED: 2003MAR22/1230Z   VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS   1600-05
LOCATION: N1643W06211    AREA: CARIBBEAN

SUMMIT ELEVATION: 3000 FT (915M)

ADVISORY NUMBER: 2003/313
 
INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST
  
ERUPTION DETAILS: CONTINUOUS EMISSION OF GASES AND ASH.
 
OBS ASH DATE/TIME: 22/1145Z
 
OBS ASH CLOUD: SFC/FL120 20 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1643W06211 N1506W06319. ASH IS MOVING SW 15-20 KNOTS. 

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: VISIBLE IMAGERY SHOWS AN ASH PLUME EXTENDING FROM THE
SUMMIT TOWARD THE SOUTH-SOUTHWEST.  THE PLUME IS 120 NM LONG AND
20 NM WIDE AND THE THICKEST ASH IS WITHIN ABOUT 25 NM OF THE
SUMMIT.

NEXT ADVISORY: WILL BE ISSUED BY 2003MAR22/1830Z

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"Attached Graphic Map Depicting Ash Only" 

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