FVXX20 KWBC 120335
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0335 UTC 12 JAN 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-006    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 INFRARED AND MULTISPECTRAL IMAGERY. 
0000 UTC GUADELOUPE SOUNDING. MONTSERRAT VOLCANO OBSERVATORY REPORT.
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ERUPTION DETAILS: ERUPTED 11/2033 UTC.
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DETAILS OF ASH CLOUD: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY
THROUGH 0315 UTC DOES NOT SHOW A DISCERNABLE ASH CLOUD. THE PREVIOUS
ASH HAS MOVED TO THE WEST TO THE WESTERN EDGE OF THE PIARCO FIR AND IS
NO LONGER DETECTED BY SATELLITE. 
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN FL100 AND
FL150 WOULD MOVE WEST SOUTHWEST AT 15 KNOTS WHILE ASH AT AND BELOW
FL100 WOULD MOVE WEST AT 15 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 LATEST SIGMETS.
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THIS WILL BE THE LAST MESSAGE ISSUED FOR THIS EVENT.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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