FVXX23 KWBC 090730
VOLCANIC ASH ADVISORY
ISSUED 0730 UTC 09 AUG 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-127    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 INFRARED AND MULTISPECTRAL
IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL.
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ERUPTION DETAILS: NEARLY CONTINUOUS ASH AND STEAM EMISSIONS.
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DETAILS OF ASH CLOUD: NO ASH WAS DETECTED IN MULTISPECTRAL AND
INFRARED SATELLITE IMAGERY THROUGH 09/0702 UTC. HOWEVER
VISIBLE SATELLITE IMAGERY THE PAST TWO DAYS HAS INDICATED A
NEARLY CONTINUOUS LOW LEVEL FAINT PLUME OF ASH AND/OR GASES
EMANATING FROM THE VOLCANO. THE LAST VISIBLE IMAGERY AT
08/2115 UTC SHOWED A PLUME EXTENDING FROM THE SUMMIT WESTWARD
FOR ABOUT 90KM (50 NMI). THE HEIGHT IS ESTIMATED SLIGHTLY
ABOVE SUMMIT LEVEL OR UP TO FL050.
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TRAJECTORY: ANY ASH PRESENT FROM THE SUMMIT TO FL050 WOULD
MOVE TOWARDS THE SOUTHWEST AT 10 TO 20 KNOTS.

OUTLOOK:  SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 09/1330 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER 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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CLARK
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