FVXX20 KWBC 130441
VOLCANIC ASH ADVISORY
ISSUE: 2003JUL13/0440Z VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1643W06211    AREA: CARIBBEAN
                              
SUMMIT ELEVATION: 3000 FT (915 M) 

ADVISORY NUMBER: 2003/577
 
INFORMATION SOURCE: GOES-12 IMAGERY. MONTSERRAT VOLCANO
OBSERVATORY. GUADELOUPE UPPER AIR SOUNDING.

ERUPTION DETAILS: ERUPTION AROUND 13/0230Z. 
 
OBS ASH DATE/TIME: 13/0345Z
 
OBS ASH CLOUD: SFC/FL500 54 NM WIDE LINE OF ASH EXTENDING
BETWEEN N1639W06227 N1743W06118 ASH IS MOVING NE 35-40 KNOTS.
NOT ALL ASH IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL090
MOVING W AT 20-25 KNOTS FL100/FL300 MOVING NW 20-30 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD.  
 
REMARKS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED STRONGER
ACTIVITY AND ASH FALL OVER THE ISLAND. CLOUDS COVER THE
REGION HOWEVER THERE IS ENHANCEMENT ABOVE THE CLOUDS SHOWING
UP IN THE 0245Z IMAGERY THAT INCREASING AND EXPANDS AND MOVES
OFF PRIMARILY TO THE NORTHEAST. WINDS WOULD INDICATE THAT
SOME LOWER LEVEL ASH WILL ALSO MOVE NORTH AND NORTHWEST FROM
THE ISLAND BUT IT CAN NOT BE DETECTED DUE TO THE CLOUD COVER
AT 0345Z.

NEXT ADVISORY: WILL BE ISSUED BY 2003JUL13/1030Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

""