FVXX23 KWBC 070510
VOLCANIC ASH ADVISORY
ISSUED 0510 UTC 07 AUG 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-117    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. MONTSERRAT VOLCANO OBSERVATORY. 07/0000 UTC
GUADELOUPE UPPER AIR SOUNDING

ERUPTION DETAILS: ERUPTION..PYROCLASTIC FLOW AROUND 07/0445
UTC.
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DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY HAS
REPORTED A PYROCLASTIC FLOW AROUND 07/0445 UTC WHICH PRODUCED
ASH ESTIMATED TO BE BELOW FL100. THE ASH WAS REPORTED TO BE
MOVING TO THE NORTHWEST. SATELLITE IMAGERY AT 07/0445 UTC
INDICATED A HOT SPOT OVER THE VOLCANO BUT NO ASH WAS DETECTED
IN THIS LATEST IMAGE. BECAUSE THE REPORTED TIME OF THE
ERUPTION MATCHES THE LATEST IMAGE TIME THE SUBSEQUENT IMAGES
WILL BE ANALYZED FOR ASH. IF ASH IS DETECTED ON IMAGERY AN
UPDATE MESSAGE WILL BE SENT AS SOON AS POSSIBLE. 
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL100 WILL MOVE TOWARDS
THE NORTHWEST AT 15 TO 20 KNOTS.

OUTLOOK:  SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 07/1100 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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