FVXX21 KWBC 031901
VOLCANIC ASH ADVISORY           
ISSUED: 2003MAY03/1900Z   VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/474
 
INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST.
UPPER AIR SOUNDING  
                   
ERUPTION DETAILS: EMISSION OF GASES AND ASH.
 
OBS ASH DATE/TIME: 03/1825Z
 
OBS ASH CLOUD: SFC/FL100 N1643W06211 N1625W06225 N1623W06215
N1632W06209 N1643W06211 MOVING S 10-15 KNOTS.  SFC/FL060
N1643W06211 N1645W06219 N1642W06252 N1634W06250 N1639W06217
N1643W06211 MOVING W 20 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS
 
REMARKS: TWO PLUMES EXTEND FROM THE SUMMIT.  A PLUME TO FL100
EXTENDS TOWARD THE SOUTH AND REACHES APPROXIMATELY TO THE POINT
N1622W06221. THE OTHER PLUME IS TO FL060 AND IT EXTENDS TOWARD
THE WEST REACHING APPROXIMATELY TO THE POINT N1638W06251.

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY04/0100Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

""