FVXX21 KWBC 300056 CCA
VOLCANIC ASH ADVISORY-CORRECTION
ISSUED: 2003APR30/0055Z   VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1643W06211    AREA: CARIBBEAN
                              
SUMMIT ELEVATION: 3000 FT (915 M) 
                              
ADVISORY NUMBER: 2003/459
 
INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. 
MONTSERRAT VOLCANO OBSERVATORY.
                   
ERUPTION DETAILS: CONTINUED EMISSION OF GASES AND ASH.
 
OBS ASH DATE/TIME: 30/0015Z
 
OBS ASH CLOUD: SFC/FL070 10 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1643W06211 N1626W06328.  ASH IS MOVING SW 10-15 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS
 
REMARKS: CORRECTION FOR TIME OF NEXT ISSUE.  FREQUENT HOT SPOT
ACTIVITY CAN BE SEEN ON SHORTWAVE IMAGERY THROUGH 30/0015Z.  THE
VISIBLE ASH PLUME EXTENDS APPROXIMATELY 76 NM TO THE SW OF THE
SUMMIT.  THIS PLUME HAS BEEN GRADUALLY CHANGING DIRECTION FROM
DUE WEST TO SOUTHWEST OVER THE PAST THREE HOURS.  DUE TO THIS
MOVEMENT THIN ASH THAT IS NOT DETECTABLE IN SATELLITE IMAGERY MAY
REMAIN NORTH OF THE CURRENT PLUME.

NEXT ADVISORY: WILL BE ISSUED BY 2003APR30/0700Z.

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"Attached Graphic Map Depicting Ash Only" 

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