FVXX20 KWBC 161615
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1615 UTC 16 MAR 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-046    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 INFRARED AND
MULTISPECTRAL SATELLITE IMAGERY. MONTSERRAT VOLCANO OBSERVATORY
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ERUPTION DETAILS: VOLCANO HAD ERUPTED AT 16/1510 UTC.
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DETAILS OF ASH CLOUD: THE LATEST GOES 8 IMAGE AT 16/1545 UTC SHOWS
THE ASH FROM THE EARLIER ERUPTION. THE LEADING EDGE OF THE ASH CLOUD
IS AT 16.8N 62.3W WHICH IS 9 NM (18 KM) NORTHWEST OF THE VOLCANO.
THE PLUME IS 5 NM (10 KM) WIDE. THE HEIGHT OF THE ASH IS ESTIMATED
BELOW FL100.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BELOW FL100
WOULD MOVE TOWARDS THE NORTHWEST AT 10 TO 15 KTS.
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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 BULLETIN WILL BE ISSUED AT 16/2230 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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