FVXX20 KWBC 131411
VOLCANIC ASH ADVISORY
ISSUE: 2003JUL13/1400Z VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/579
 
INFORMATION SOURCE: GOES-12 IMAGERY. 12Z GUADELOUPE UPPER AIR
SOUNDING.

ERUPTION DETAILS: NEW ERUPTION AROUND 13/1315Z. 
 
OBS ASH DATE/TIME: 13/1345Z
 
OBS ASH CLOUD: SFC/400 10 NM WIDE LINE OF ASH BETWEEN
N1650W06211 N1702W06206 MOVING NORTH 20-25 KNOTS . WINDS
SFC/FL090 MOVING W AT 25-30 KNOTS. FL100/FL300 MOVING NE 10-
15 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD.  
 
REMARKS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED A MAJOR
EXPLOSION AT ABOUT 1315Z. THE 1200Z GUADELOUPE SOUNDING
ESTIMATES THE HEIGHT AT ABOUT FL400. PLUME IS ABOUT 15 NM
LONG. ASH FROM THE EARLIER EXPLOSION HAS BECOME TOO DISPERSED
TO BE SEEN IN IMAGERY.  

NEXT ADVISORY: WILL BE ISSUED BY 2003JUL13/2000Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"