FVXX20 KWBC 300037
VOLCANIC ASH ADVISORY
ISSUED: 2003MAR30/0100Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 3000 FT (915M)

ADVISORY NUMBER: 2003/344
 
INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST.
MONTSERRAT VOLCANO OBSERVATORY.

ERUPTION DETAILS: MORE ACTIVE PYROCLASTIC FLOW AT 2105Z.
 
OBS ASH DATE/TIME: 30/0015Z.
 
OBS ASH CLOUD: SFC/FL100 23 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1643W06211 N1610W06215. ASH IS MOVING S 10 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: AT 2105Z THE MONTSERRAT VOLCANO OBSERVATORY CALLED TO
INDICATE AN INCREASE IN ACTIVITY THAT SHED A PYROCLASTIC FLOW
DOWN THE WESTERN SLOPE OF THE VOLCANO.  THE OBSERVATORY INDICATED
THAT THEY COULD SEE THE ASH TO AT LEAST 8000 FT BUT WE WILL
CONTINUE THE ADVISORY TO FL100.  IN THE PAST FEW HOURS A LINE OF
WEATHER CLOUDS ALONG WITH LOCAL SUNSET HAS MADE ASH DETECTION
VERY DIFFICULT. HOWEVER...MULTI-SPECTRAL IR LOOP SHOWED A PLUME
TO THE SOUTH OF THE VOLCANO MOVING ABOUT 10 KNOTS...GALLINA 

NEXT ADVISORY: WILL BE ISSUED BY 2003MAR30/0700Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"