FVXX20 KWBC 211630
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1630 UTC 21 MAR 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-052    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: GOES-8 VISIBLE AND MULTISPECTRAL IMAGERY
MONTSERRAT VOLCANO OBSERVATORY
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ERUPTION DETAILS: ASH PRODUCING EVENT AROUND 20/2145 UTC.
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DETAILS OF ASH CLOUD: VISIBLE SATELLITE IMAGERY THIS MORNING DID
NOT REVEAL AN ASH CLOUD.  THE MONTSERRAT VOLCANO OBSERVATORY
INDICATED THE ACTIVITY HAD BEEN LOW SINCE YESTERDAYS EVENT WITH THE
EXCEPTION OF A MINOR ASH PRODUCING EVENT AROUND 1230 UTC TODAY. 
NO ASH PLUME WAS DETECTED IN SATELLITE IMAGERY FROM THIS MINOR EVENT
WHICH WAS ESTIMATED BY THE OBSERVATORY AT FL0350.
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TRAJECTORY: N/A
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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/messages.html
(all lower case except /VAAC/)
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OUTLOOK: SEE SIGMETS.
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THIS WILL BE THE FINAL MESSAGE ON THIS EVENT.  
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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