FVXX20 KWBC 040548
VOLCANIC ASH ADVISORY
ISSUED: 2003FEB04/0600Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 3000 FT (915M)

ADVISORY NUMBER: 2003/131
 
INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST.
NOAA-17 0209Z PASS.
 
ERUPTION DETAILS: CONTINUING ASH AND STEAM EMISSIONS.
 
OBS ASH DATE/TIME: 04/0209Z.

OBS ASH CLOUD: SFC/FL070 7 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1643W06211 N1641W06237 MOVING W 10 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: THE NOAA-17 POLAR PASS AT 0209Z SHOWED A NARROW PLUME OF
ASH TO THE WEST OF THE SUMMIT. THE PLUME WAS ABOUT 7 NM WIDE AND
EXTENDED ABOUT 25 NM FROM MONTSERRAT. HOWEVER...GOES-8 IMAGERY
THROUGH 0532Z HAS SHOWN A HOTSPOT ALL NIGHT THOUGH ASH DETECTION
HAS BECOME DIFFICULT DUE TO THE LOW-LEVEL NATURE OF THE ASH AND
LACK OF VISIBLE IMAGERY. PLEASE NOTE THE GRAPHIC ON OUR WEB
PAGE IS VALID FOR THE 0209Z POLAR PASS...GALLINA
                    
NEXT ADVISORY: WILL BE ISSUED BY 2003FEB04/1200Z.

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"Attached Graphic Map Depicting Ash Only" 

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