FVXX20 KWBC 221630
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1630 UTC 22 MAR 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-055    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 IMAGERY.
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ERUPTION DETAILS: ASH VENTING EVENT AROUND 22/1445 UTC.
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DETAILS OF ASH CLOUD: AN ASH PLUME IS EVIDENT ON SATELLITE IMAGERY
AT 22/1615 UTC EXTENDING FROM THE SUMMIT TO 16.9N 62.6W. THE PLUME
WAS 13 KM (7 NMI) WIDE. THE ASH IS ESTIMATED AT FL070. THE
MONTESERRAT VOLCANO OBSERVATORY HAS CONFIRMED THE OCCASIONAL VENTING
OF ASH.
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TRAJECTORY: WEST-NORTHWEST AT 20 TO 25 KNOTS.
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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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THE NEXT MESSAGE FOR THIS EVENT WILL BE SENT AT 2230 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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