FVXX20 KWBC 241843
VOLCANIC ASH ADVISORY
ISSUED 1843 UTC 24 JUN 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-098  WEST INDIES 1643N 6211W  
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BACKGROUND:    SOUFRIERE HILLS  MONTSERRAT (1600-05)
               SUMMIT HEIGHT  3000 FT (915M)

SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED MULTISPECTRAL
IMAGERY. MONTSERRAT VOLCANO OBSERVATORY REPORT 1200 UTC UPPER
AIR OBSERVATION FROM GUADELOUPE 

ERUPTION DETAILS: NEARLY CONTINUOUS LOW LEVEL ERUPTION OF ASH
AND STEAM STARTING ABOUT 24/1700 UTC.

DETAILS OF ASH CLOUD: GOES8 SATELLITE IMAGERY THROUGH 1815 UTC
SHOWS A FAINT NARROW PLUME EXTENDING FROM THE VOLCANO TO ABOUT
1641N 6240W.  THE PLUME IS ABOUT 30 NMI LONG AND 5 NMI WIDE.
THE MONTSERRAT VOLCANO OBSERVATORY REPORTS ASH AND STEAM BEING
PRODUCED BY ROCKFALLS. HEIGHT IS ESTIMATED AT OR BELOW FL050.

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TRAJECTORY: ANY ASH BELOW FL050 IS FORECAST TO MOVE WEST AT 10
TO 15 KTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 25/0100 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"