FVXX22 KWBC 201330
VOLCANIC ASH ADVISORY
ISSUED 1330 UTC 20 AUG 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-156          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. 12OO UTC GUADELOUPE UPPER AIR SOUNDING.
AVIATION MODEL WIND FORECAST.
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ERUPTION DETAILS: ROCKFALLS AND SMALL PYROCLASTIC FLOWS.
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DETAILS OF ASH CLOUD: AT 20/1245 UTC A FAINT ASH PLUME UP TO
FL070 EXTENDS WESTWARD FROM THE SUMMIT TO THE POINT 1645N
6241W.  THE PLUME IS ABOUT 54 KM (29 NMI) LONG AND 18 KM (10
NMI) WIDE. SHORTWAVE INFRARED IMAGERY SHOWS A HOTSPOT AT THE
VOLCANO LOCATION SUGGESTING CONTINUING VOLCANIC ACTIVITY.
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TRAJECTORY: ASH UP TO FL070 IS MOVING TOWARDS THE WEST AT
ABOUT 15 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 20/1930 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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NNNN"Attached Graphic Map Depicting Ash" 

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