FVXX20 KWBC 011858
VOLCANIC ASH ADVISORY
ISSUED: 2003APR01/1900Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 3000 FT (915M)

ADVISORY NUMBER: 2003/356
 
INFORMATION SOURCE: GOES-8 IMAGERY. GOES-12 IMAGERY . GFS MODEL
WINDS FORECAST.

ERUPTION DETAILS: CONTINUED EMISSION OF GASES AND ASH.
 
OBS ASH DATE/TIME: 01/1815Z.
 
OBS ASH CLOUD: SFC/FL100 N1642W06208 N1706W06228 N1735W06239
N1735W06257 N1641W06333 N1642W06208 MOVING NW 15-20 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: VISIBLE IMAGERY SHOWS A THICK PLUME OF ASH ESTIMATED AT
FL100 MOVING TOWARDS THE NORTHWEST AT 15-20 KNOTS. THE LEADING
EDGE OF THE THICK ASH IS AT A POINT N1707W06231 AND IS
APPROXIMATELY 30 NM FROM THE SUMMIT. THINNER ASH ALSO AT FL100
EXTENDS FURTHER NORTHWEST OVER THE ISLANDS OF NEVIS AND ST KITTS.
THE LEADING EDGE OF THE THINNER ASH IS AT A POINT N1735W06257 AND
IS APPROXIMATELY 60 NM FROM THE SUMMIT.

NEXT ADVISORY: WILL BE ISSUED BY 2003APR02/0100Z.

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"Attached Graphic Map Depicting Ash Only" 

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