FVXX20 KWBC 281910
VOLCANIC ASH ADVISORY
ISSUED: 2003JAN28/1910Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 3000 FT (915M)

ADVISORY NUMBER: 2003/105
 
INFORMATION SOURCE: GOES-8 IMAGERY. GUADELOUPE UPPER AIR SOUNDING. GFS
MODEL WIND FORECAST.
       
ERUPTION DETAILS: CONTINUING ASH AND STEAM EMISSIONS.
 
OBS ASH DATE/TIME: 28/1745Z.

OBS ASH CLOUD: SFC/FL100 N1643W06211 N1600W06231 N1549W06210 N1602W06154
N1643W06211 MOVING S 5-10 KNOTS. SFC/FL080 N1643W06211 N1729W06340
N1720W06356 N1600W06231 N1643W06211 MOVING W 10-15 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: MOST OF THE ASH EXCEPT THAT CLOSE TO THE VOLCANO...WITHIN ABOUT
20 NM OF THE SUMMIT...HAS BECOME QUITE DIFFUSE. CONTINUE TO ESTIMATE
THAT THE ASH DRIFTING TO THE SOUTH IS WITHIN A THIN LAYER AROUND FL100
AS PER THE GFS MODEL WINDS FORECAST WHILE ASH MOVING TO THE WEST IS AT
A LOWER LEVEL...UP TO FL080.  ANALYST...RUMINSKI. 
                           
NEXT ADVISORY: WILL BE ISSUED BY 2003JAN28/0100Z.

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"Attached Graphic Map Depicting Ash Only" 

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