FVXX22 KWBC 181300    
VOLCANIC ASH ADVISORY
ISSUED 1300 UTC 18 AUG 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-148          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. 18/0000 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: THE FIRST GOES-8 VISIBLE IMAGERY THROUGH
1215 UTC SHOWS A THIN LOW LEVEL PLUME MOVING SOUTHWEST FROM
THE ISLAND AND AN OCCASIONAL HOT SPOT.  THE ESTIMATED HEIGHT
OF THE PLUME IS BELOW FL070. AT 1215 UTC THE PLUME EXTENDED
SOUTHWEST (240 DEGREES) 93 KM (50 NMI) TO POINT 1616N 6254W
AND WAS ROUGHLY 21KM (11 NMI) WIDE.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR BELOW
FL070 WILL MOVE SOUTHWEST AROUND 15 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 18/1900 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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BROWN 
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NNNN"Attached Graphic Map Depicting Ash" 

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