FVXX20 KWBC 031830
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1830 UTC 03 JULY 1999 BY THE WASHINGTON VAAC 
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SOUFRIERE HILLS 99-163    WEST INDIES 16.72N 62.18W  
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BACKGROUND:    SOUFRIERE HILLS MONTSERRAT (1600-05)
               SUMMIT HEIGHT 3000 FT (915 M)
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SOURCES OF INFORMATION:  MONTSERRAT VOLCANO OBSERVATORY.  GOES-8
VISIBLE...INFRARED...AND MULTISPECTRAL IMAGERY.  1200 UTC GUADELOUPE
UPPER AIR SOUNDING.  
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ERUPTION DETAILS: ERUPTION AT APPROXIMATELY 03/1730 UTC.
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DETAILS OF ASH CLOUD: ASH CLOUD DETECTED ON SATELLITE IMAGERY IS
BELOW FL100 AND EXTENDS 12 KM (6 NMI) WEST SOUTHWEST FROM THE
VOLCANO.  THE ASH CLOUD IS APPROXIMATELY 12 KM (6 NMI) WIDE.
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TRAJECTORY: ASH IS MOVING TOWARDS THE WEST WEST-SOUTHWEST AT 20-25
KTS.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE LATEST SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 04/0030 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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"Attached Graphic Map Depicting Ash" 

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