FVXX21 KWBC 181247
VOLCANIC ASH ADVISORY           
ISSUED: 2003MAY18/1300Z  VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1643W06211    AREA: CARIBBEAN
 
SUMMIT ELEVATION: 3000 FT (915 M) 

ADVISORY NUMBER: 2003/531
 
INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST

ERUPTION DETAILS: EMISSION OF GASES AND ASH.
 
OBS ASH DATE/TIME: 18/1215Z.
 
OBS ASH CLOUD: SFC/FL080 10 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1643W06211 N1726W06350.  ASH IS MOVING NW 15-20 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS
 
REMARKS: EARLY MORNING VISIBLE IMAGERY THROUGH 18/1215Z SHOWS A
WELL DEFINED PLUME EXTENDING TO THE NORTHWEST AWAY FROM THE
ISLAND.  THE PLUME IS APPROXIMATELY 100 NM IN LENGTH AND CURRENT
MODEL WINDS FORECAST DATA PLACE THE ASH AT OR BELOW FL080.  IT
SHOULD ALSO BE NOTED THAT NO HOTSPOT ACTIVITY HAS BEEN OBSERVED
OVER THE PAST 6 TO 12 HOURS....WALTER

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY18/1900Z 

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"Attached Graphic Map Depicting Ash Only" 

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