FVXX20 KWBC 161830   
VOLCANIC ASH ADVISORY
ISSUED 1830 UTC 16 SEP 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-239          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. 16/1200 UTC SOUNDING FROM GUADELOUPE.
THE MONTSERRAT VOLCANO OBSERVATORY.
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ERUPTION DETAILS: SMALL ROCKFALLS OVERNIGHT YET NO SIGNIFICANT
ACTIVITY.
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DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 1815 UTC DOES NOT
INDICATE THE PRESENCE OF ASH...HOWEVER THERE ARE HIGH CLOUDS
PARTIALLY OBSCURING THE VOLCANO. THE MVO REPORTS THAT THERE
HAVE BEEN SEVERAL ROCKFALLS OVERNIGHT BUT NO SIGNIFICANT
ACTIVITY SINCE. 
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THE REMNANTS OF TROPICAL DEPRESSION 12 WILL MOVE THROUGH THE
NORTHERN LEEWARD ISLANDS AND OBSCURE VIEWS FROM THE SATELLITE.
THE VOLCANO HAS A HISTORY OF PRODUCING ROCKFALLS AND
PYROCHLASTIC FLOWS AFTER HEAVY RAIN EVENTS...SO AVIATION
INTERESTS SHOULD MONITOR THE VOLCANO IN THE COMING DAYS.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR BELOW
FL100 TO MOVE SOUTHWEST AT 5 TO 10 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THIS WILL BE THE LAST ADVISORY ISSUED ON THIS EVENT. 
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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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