FVXX20 KWBC 230830
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0830 UTC 23 May 1999 BY THE WASHINGTON VAAC 
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SOUFRIERE HILLS 99-138    WEST INDIES 16.7N 62.2W  
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BACKGROUND:    SOUFRIERE HILLS MONTSERRAT (1600-05)
               SUMMIT HEIGHT 3000FT (915M)
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SOURCES OF INFORMATION: GOES 8 INFRARED  MULTISPECTRAL SATELLITE
IMAGERY MONTSERRAT VOLCANO OBSERVATORY  ...0000 UTC GUADELOUPE
SOUNDING...
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ERUPTION DETAILS: ERUPTION AT 23/0645 UTC.
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DETAILS OF ASH CLOUD: MULTISPECTRAL IMAGERY THROUGH 0745 SHOWS AN
ASH PLUME MOVING WEST SOUTH WEST AWAY FROM THE ISLAND AND BELOW
FL190.  THE AREA OF ASH IS BOUNDED BY POINTS 16.8N62.6W  16.8N62.4W
16.7N62.5W  16.6N62.5W  16.6N62.3W AND 16.7N62.2W.
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TRAJECTORY: ASH BETWEEN FL100 AND FL190 WOULD MOVE WSW AT 5-12KTS. 
BELOW FL100 ASH WOULD MOVE WEST AT ABOUT 8 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 MESSAGE WILL BE ISSUED BY 23/1430 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"