FVXX20 KWBC 131553
VOLCANIC ASH ADVISORY
ISSUE: 2003JUL13/1600Z VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/581
 
INFORMATION SOURCE: GOES-12 IMAGERY. 12Z GUADELOUPE UPPER AIR
SOUNDING.

ERUPTION DETAILS: NEW ERUPTION AROUND 13/1315Z. 
 
OBS ASH DATE/TIME: 13/1515Z
 
OBS ASH CLOUD: SFC/400  N1650W06215 N1704W06225 N170906212
N1550W06209 MOVING NORTH 15-20 KNOTS. SFC/FL100 N1652W06217
N1658W06259 N1720W06316 N1722W6255 N1710W06243 N1706W06223
MOVING NORTHWEST AT  30-35 KNOTS. SFC/FL060 10 NMI LINE OF
ASH BETWEEN N1643W06211 N1652W06236 MOVING WEST AT 20-25
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. ADDITION PLUME ESTIMATED
AT FL100 IS VISIBLE NORTHWEST OF THE SUMMIT.   ASH IS STILL
BEING EMITTED AT ESTIMATED FL060. ASH FROM THE OVERNIGHT
EXPLOSION HAS BECOME TOO DISPERSED TO BE SEEN IN IMAGERY.

NEXT ADVISORY: WILL BE ISSUED BY 2003JUL13/2200Z.

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"Attached Graphic Map Depicting Ash Only" 

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