FVXX22 KWBC 181905    
VOLCANIC ASH ADVISORY
ISSUED 1905 UTC 18 AUG 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-149          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. 18/1200 UTC UPPER AIR SOUNDING FROM
GUADELOUPE.
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ERUPTION DETAILS: ROCKFALLS AND SMALL PYROCLASTIC FLOWS.
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DETAILS OF ASH CLOUD: GOES-8 VISIBLE IMAGERY THROUGH 1845 UTC
SHOWS A FAINT LOW LEVEL PLUME MOVING WESTERLY FROM THE ISLAND.
THE ESTIMATED HEIGHT OF THE PLUME IS BELOW FL070. AT 1845 UTC
THE PLUME EXTENDED JUST SOUTH OF WEST (260 DEGREES) 54 KM (29
NMI) TO POINT 1638N 6241W AND WAS ROUGHLY 9KM (5 NMI) WIDE.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR BELOW
FL070 WILL MOVE SOUTHWEST AROUND 10 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 19/0100 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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NNNN"Attached Graphic Map Depicting Ash" 

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