FVXX20 KWBC 160550   
VOLCANIC ASH ADVISORY
ISSUED 0550 UTC 16 SEP 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-237    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: INFRARED AND MULTISPECTRAL SATELLITE
IMAGERY. UPPER LEVEL WIND DATA FROM THE 16/0600 UTC GUADELOUPE
SOUNDING. VOLCANO OBSERVATORY REPORT. 
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ERUPTION DETAILS: CONTINUED ROCKFALLS AND SMALL PYROCLASTIC
FLOWS. 
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 16/0345 UTC
DOES NOT SHOW ANY CURRENT ASH PLUME.  LOW LEVEL PLUMES ARE
NOTORIOUSLY DIFFICULT TO SEE WITHOUT VISIBLE IMAGERY.  THE HOT
SPOT NOTED EARLIER CAN NO LONGER BE SEEN.
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TRAJECTORY: ASH AT OR BELOW FL100 IS EXPECTED TO MOVE WEST
NORTHWEST AROUND 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 16/1200 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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