FVXX22 KWBC 171900
VOLCANIC ASH ADVISORY 
ISSUED 1900 UTC 17 AUG 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-145    WEST INDIES 1643N 6211W  
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BACKGROUND:    SOUFRIERE HILLS  MONTSERRAT (1600-05)
               SUMMIT HEIGHT  3000 FT (915M)
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SOURCES OF INFORMATION: GOES-8 VISIBLE ..INFRARED AND
MULTISPECTRAL IMAGERY.  WINDS FORECAST FROM THE AVIATION
MODEL. MONTSERRAT VOLCANO OBSERVATORY.  
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ERUPTION DETAILS: ROCKFALLS AND SMALL PYROCLASTIC FLOWS.
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 17/1815 UTC
SHOWS A FAINT LOW LEVEL ASH PLUME TO THE WEST SOUTHWEST OF THE
VOLCANO. AT 1815 UTC THE PLUME EXTENDED ROUGHLY 72 KM (39 NMI)
FROM THE SUMMIT TOWARD THE WEST SOUTHWEST (ABOUT 257 DEGREES)
TO POINT 1635N 6250W. THE PLUME IS ABOUT 18 KM (10 NMI) WIDE.
THE MONTSERRAT VOLCANO OBSERVATORY REPORTS THAT ROCKFALLS ARE
CONTINUING AND THE PLUME IS AT OR BELOW FL050. 
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TRAJECTORY: ANY ASH AT OR BELOW FL050 WILL MOVE TOWARD THE
WEST SOUTHWEST AT ABOUT 15 TO 20 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 18/0100 UTC.
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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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CLARK
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NNNN"Attached Graphic Map Depicting Ash" 

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