FVXX20 KWBC 281918 CCA
VOLCANIC ASH ADVISORY-CORRECTION
ISSUED: 2003JAN28/1918Z   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: CORRECTION ISSUED FOR NEXT ADVISORY DATE. 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 2003JAN29/0100Z.

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"Attached Graphic Map Depicting Ash Only" 

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