FVXX20 KWBC 131753
VOLCANIC ASH ADVISORY
ISSUED: 2003FEB13/1800Z   VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS   1600-05
LOCATION: N1643W06211    AREA: CARIBBEAN

SUMMIT ELEVATION: 3000 FT (915M)

ADVISORY NUMBER: 2003/169
 
INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST.
 
ERUPTION DETAILS: CONTINUING ASH AND STEAM EMISSIONS.
 
OBS ASH DATE/TIME: 13/1715Z.

OBS ASH CLOUD: SFC/FL100 N1643W06211 N1706W06231 N1705W06235
N1651W06233 MOVING NORTHWEST 15-20 KNOTS.  SFC/FL060 N1706W06254
N1711W06318 N1707W06345 N1701W06347 N1656W06339 N1706W06305
MOVING WEST 15-20 KTS.

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: A HOTSPOT CONTINUES TO BE OBSERVED OF MULTI-SPECTRAL
IMAGERY.  SPEED AND HEIGHT BASED ON OBSERVED MOVEMENT OF ASH
EXHALATION AT 1602Z ON SATELLITE IMAGERY AND ON GFS MODEL WINDS
FORECAST. ASH EXTENDS TO THE NORTHWEST 32 KM FROM THE SUMMIT. AN
EARLIER THIN ASH PLUME EXTENDS TO THE WEST 45 TO 95 KM FROM THE
SUMMIT.  THERE MAY BE SOME THIN ASH BETWEEN THE TWO ASH PLUMES 
DESCRIBED ABOVE AND OVER THE ISLAND OF NEVIS.  TEB
          
TO OBTAIN VAA FROM THE WASHINGTON VAAC EMAIL NOTIFICATION SEE THE
WEB PAGE http://www.ssd.noaa.gov/VAAC/subscribe.html(ALL LETTERS
IN ADDRESS ARE IN LOWER CASE EXCEPT VAAC).  THE WASHINGTON VAAC
WILL MAKE EVERY EFFORT TO KEEP THE EMAIL NOTIFICATION UP AND
RUNNING.  HOWEVER IT IS NOT CONSIDERED AN OFFICIAL METHOD OF
DISTRIBUTION.
      
NEXT ADVISORY: WILL BE ISSUED BY 2003FEB14/0000Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

""