FVXX20 KWBC 121627
VOLCANIC ASH ADVISORY
ISSUED: 2003MAR12/1630Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 3000 FT (915M)

ADVISORY NUMBER: 2003/271
 
INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST. 
  
ERUPTION DETAILS: EMISSIONS OF GASES AND ASH.
 
OBS ASH DATE/TIME: 12/1545Z
 
OBS ASH CLOUD: SFC/FL100 N1643W06211 N1645W06225 N1636W06232
MOVING SW 15-20 KNOTS. SFC/FL090 N1636W06232 N1644W06409
N1639W06710 N1612W06731 N1535W06720 N1614W06305 N1634W06228
MOVING SW 15-20 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: SATELLITE IMAGERY AT 12/1545Z INDICATES AN ASH PLUME 
EXTENDING W TO SW ABOUT 18 NM FROM THE SUMMIT WHERE IT BECOMES
DIFFUSE.  AN AREA OF THIN ASH EXTENDS 284 NM TO THE W AND SW OF
THE SUMMIT.  THIN ASH MAY EXTEND EVEN FURTHER TO THE WEST. 
SHORTWAVE INFRARED IMAGERY SHOWS AN INTERMITTENT HOTSPOT.  TEB. 

NEXT ADVISORY: WILL BE ISSUED BY 2003MAR12/2230Z

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"Attached Graphic Map Depicting Ash Only" 

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