FVXX20 KWBC 281305
VOLCANIC ASH ADVISORY
ISSUED: 2003JAN28/1305Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 3000 FT (915M)

ADVISORY NUMBER: 2003/104
 
INFORMATION SOURCE: GOES-8 IMAGERY. GUADELOUPE UPPER AIR SOUNDING. GFS
MODEL WIND FORECAST.
       
ERUPTION DETAILS: CONTINUING ASH AND STEAM EMISSIONS.
 
OBS ASH DATE/TIME: 28/1215Z.

OBS ASH CLOUD: SFC/FL100 N1643W06211 N1632W06214 N1626W06155 N1632W06153
N1643W06211 MOVING SE 5-10 KNOTS. SFC/FL080 N1643W06211 N1719W06313
N1717W06332 N1654W06315 N1632W06214 N1643W06211 MOVING NW 10-15 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: VISIBLE IMAGERY SHOWS ASH EXTENDING IN TWO DIRECTIONS FROM THE
SUMMIT. ONE PLUME EXTENDS TO THE NORTHWEST AND IS ESTIMATED TO FL080.
WITHIN THE PAST 2 HOURS OR SO AN ADDITIONAL PLUME HAS DEVELOPED AND
EXTENDS TO THE SOUTHEAST OF THE VOLCANO. THIS DIRECTION IS SUPPORTED BY
A THIN LAYER OF LIGHT WINDS BLOWING FROM THE NORTHWEST AROUND FL100 AS
DEPICTED IN THE GFS MODEL FORECAST FROM 28/0600Z.  ANALYST...RUMINSKI. 
                           
NEXT ADVISORY: WILL BE ISSUED BY 2003JAN28/1900Z.

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"Attached Graphic Map Depicting Ash Only" 

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