FVXX21 KWBC 181850 
VOLCANIC ASH ADVISORY
ISSUED: 2001JUN18/1850Z   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: 2001/168
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INFORMATION SOURCE: MONTSERRAT VOLCANO OBSERVATORY...GOES-8
VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY.
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ERUPTION DETAILS: THE LOW-LEVEL ASH EMISSIONS NOTED TO BE INCREASING
AND WITH SOME GREATER DENSITY. 
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DETAILS OF ASH CLOUD: COORDINATION WITH THE MONTSERRAT VOLCANO
OBSERVATORY (MVO) CONFIRMS OBSERVATIONS FROM GOES-8 VISIBLE
SATELLITE IMAGERY THAT LOW-LEVEL ASH IS INCREASING FROM THE SUMMIT.
THE MVO REPORTS MODERATE ROCKFALL ACTIVITY IS NOW PRODUCING ASH TO
APPROXIMATELY FL070. THE VISIBLE IMAGERY THORUGH 18/1825Z IS SHOWING
AN INCREASINGLY DISTINCT PLUME AND THERE IS SOME DETECTION NOTED IN
MULTISPECTRAL IMAGERY.
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AT 1825Z...AN ASH PLUME TO FL070 EXTENDED 167 KM (90 NMI) WEST-
NORTHWEST OF THE SUMMIT TO THE POINT 1659N 6344W. THE PLUME IS 18 KM
(10 NMI) WIDE.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL070 WILL MOVE WEST TO
NOETHWEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 19/0100Z.
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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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ORRISON
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NNNN                
"Attached Graphic Map Depicting Ash Only" 

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