FVXX20 KWBC 201100
VOLCANIC ASH ADVISORY
ISSUED 1100 UTC 20 SEP 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-255          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. 20/0000 UTC SOUNDING FROM GUADELOUPE.
20/1200 UTC UPPER WINDS FORECAST FROM THE 20/0000 UTC AVIATION
MODEL. 
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ERUPTION DETAILS: LOW LEVEL ASH EMISSIONS.
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DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 1045 UTC DOES NOT
INDICATE THE PRESENCE OF ASH AT THIS TIME. ASH EMISSIONS HAVE
BEEN OCCURRING DAILY AND VISIBLE IMAGERY WILL BE MONITORED
QUITE CLOSELY TODAY FOR ADDITIONAL ACTIVITY. TYPICAL ASH
EMISSIONS HAVE BEEN BELOW FL100.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH UP TO FL100
WOULD MOVE NORTHWEST AT 10 TO 15 KNOTS. 
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 20/1700 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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HUGHES
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