FVXX23 KWBC 100730
VOLCANIC ASH ADVISORY
ISSUED 0730 UTC 10 AUG 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-131    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. WIND FORECAST FROM AVIATION MODEL. PIARCO
METEOROLOGICAL WATCH OFFICE SIGMET
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ERUPTION DETAILS: NEARLY CONTINUOUS ASH AND STEAM EMISSIONS.
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DETAILS OF ASH CLOUD: NO ASH CAN BE SEEN IN MULTISPECTRAL OR
INFRARED SATELLITE IMAGERY THROUGH 10/0645 UTC.  HOWEVER
POSSIBLE ASH TO FL050 WAS SEEN IN THE LAST VISIBLE IMAGES OF
AUGUST 9.  THIS LOW LEVEL ASH WOULD BE VERY DIFFICULT TO SEE
IN MULTISPECTRAL OR INFRARED IMAGERY SO BASED SOLELY ON THIS
IMAGERY WE CANNOT CONCLUDE THAT THE ASH HAS NECESSARILY
DISSIPATED. 
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT IF THERE IS ANY
ASH BETWEEN THE SUMMIT AND FL050 IT WOULD MOVE TOWARD THE WEST
AT 10 TO 15 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 10/1330 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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