FVXX22 KWBC 210730
VOLCANIC ASH ADVISORY
ISSUED 0730 UTC 21 AUG 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-159          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. 0000 UTC GUADELOUPE UPPER AIR SOUNDING.
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ERUPTION DETAILS: ROCKFALLS AND SMALL PYROCLASTIC FLOWS.
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DETAILS OF ASH CLOUD:    ASH IS NOT SEEN IN THE SATELLITE
IMAGERY THROUGH 21/0715 UTC.  ASH WAS LAST SEEN AT 20/2145 UTC
WITH A HEIGHT ESTIMATED TO BE BELOW FL080.
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TRAJECTORY: ASH BELOW FL080 WILL MOVE TOWARDS THE WEST AT 15
TO 20 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 21/1330 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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WALTER
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