FVXX20 KWBC 251800
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1800 UTC 25 MAR 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-065    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 (MVO).  1200
UTC GUADELOUPE RADIOSONDE.  NATIONAL WEATHER SERVICE NUMERICAL
MODELS. GOES-8 VISIBLE MULTISPECTRAL AND INFRARED IMAGERY.
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ERUPTION DETAILS: THE MVO REPORTS AN ERUPTION OF THE SOUFRIERE HILLS
VOLCANO BEGINNING AT APPROXIMATELY 1630 UTC. 
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DETAILS OF ASH CLOUD: AT 1715 UTC ASH ESTIMATED AT OR BELOW FL100
EXTENDS 24 KM (13 NMI) WESTWARD FROM THE SUMMIT TO THE POINT 16.8N
62.4W. THE PLUME IS 15 KM (8 NMI) WIDE. 
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TRAJECTORY: ASH IS MOVING TO THE WESTNORTHWEST AT ABOUT 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 SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 26/0000 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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