FVXX20 KWBC 251846
VOLCANIC ASH ADVISORY
ISSUED: 2003MAR25/1900Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 3000 FT (915M)

ADVISORY NUMBER: 2003/327
 
INFORMATION SOURCE: GOES-8 IMAGERY. MONTSERRAT VOLCANO
OBSERVATORY. ST.CROIX PILOT REPORT. ST. MARTIN RADIOSONDE. GFS
MODEL WINDS FORECAST. 

ERUPTION DETAILS: CONTINUOUS EMISSION OF GASES AND ASH.
 
OBS ASH DATE/TIME: 25/1815Z.
 
OBS ASH CLOUD: SFC/FL070 20 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1643W06211 N1728W06245 N1818W06336. ASH IS MOVING NW 10-15
KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: CURRENTLY THERE ARE BROKEN WEATHER CLOUDS AND SHOWERS
THROUGHOUT THE NORTHEAST CARIBBEAN SEA MAKING ASH DETECTION A BIT
DIFFICULT AT THIS TIME.  HOWEVER ASH CAN BEEN SEEN BETWEEN BREAKS
IN THE WEATHER CLOUDS FROM MONTSERRAT OVER ST. KITTS AND NEVIS TO
THE SOUTHWEST AND WEST OF ST. MARTIN AND ANGUILLA MOVING NNE.  A
PILOT REPORT AT 1555Z INDICATED THE ASH WAS NEAR AND BELOW FL060.
ALSO...THE MONTSERRAT VOLCANO OBSERVATORY INDICATED THAT ACTIVITY
HAS BEEN LIGHT TO MODERATE WITH ONLY SMALL ROCKFALLS AND
PYROCLASTIC FLOWS. SO WITH THESE TWO PIECES OF INFORMATION...THE
HEIGHT OF THE ASH WILL BE LOWERED TO FL070...GALLINA
      
NEXT ADVISORY: WILL BE ISSUED BY 2003MAR26/0100Z.

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"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"