FVXX22 KWBC 111330            
VOLCANIC ASH ADVISORY STATEMENT
ISSUED: 2001JUL11/1330Z   VAAC: WASHINGTON
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VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: 1643N 6211W    AREA: CARIBBEAN
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SUMMIT ELEVATION: 3000 FT (915 M)            
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ADVISORY NUMBER: 2001/178
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INFORMATION SOURCE: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL
IMAGERY.  11/1200Z UPPER AIR SOUNDING FROM GUADELOUPE.  SIX HOUR
WIND FORECAST FROM THE 11/0600Z AVIATION MODEL. 
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ERUPTION DETAILS: CONTINUOUS ROCKFALLS PRODUCING ASH.
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 11/1245Z SHOWS THAT
THE AREA AROUND THE VOLCANO IS QUICKLY BEING OVERRUN BY LAYERED
CLOUDS.  HOWEVER TO THE WEST OF THESE CLOUDS A FAINT ASH PLUME CAN
STILL BE SEEN.  THIS PLUME EXTENDS FROM 1642N6304W TO 1652N6333W
MAKING THE PLUME 55KM (30NMI) IN LENGTH.  THE PLUME IS 8KM (4NMI)
WIDE.  CURRENT UPPER AIR DATA AND FORECAST MODEL DATA SUGGEST THAT
THE HEIGHT OF THE PLUME IS STILL BELOW FL100.  
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TRAJECTORY: ASH BELOW FL100 WAS MOVING TOWARD THE WEST AT 20 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 11/1930Z.
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REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN
ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT
INTERNET URL ADDRESS   
HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML
(ALL LOWER CASE EXCEPT /VAAC/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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WALTER
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NNNN

"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"