FVXX20 KWBC 132130
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2130 UTC 13 JAN 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-010    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...INFRARED...AND MULTISPECTRAL
IMAGERY. MONTSERRAT VOLCANO OBSERVATORY. 1200 UTC GUADELOUPE SOUNDING.
SURFACE OBSERVATIONS.
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ERUPTION DETAILS: 2 ERUPTIONS OCCURRING AROUND 13/1035 UTC.
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DETAILS OF ASH CLOUD: GOES8 VISIBLE IMAGERY THRU 2015 UTC SHOWS THREE
DISTINCT AREAS OF VOLCANIC ASH FROM THE EARLIER ERUPTION OF MONTSERRAT.
A SMALL AREA OF ASH TO FL250 IS CENTERED NEAR 15.6N 62.4W AND IS 42KM
(22 NMI) WIDE. THIS ASH IS DRIFTING TOWARDS THE SOUTH AT 5 KTS. THIN
ASH TO FL130 EXTENDS WESTWARD FROM THE VOLCANO AND IS LOCATED AT POINTS
16.5N 61.9W TO 16.2N 62.9W TO 16.4N 63.1W AND IS 42 KM (22 NMI) WIDE.
THIS ASH IS DRIFTING WESTWARD AT 10 KTS. THICKER ASH TO FL130 EXTENDS
FROM 16.4N 63.1W TO 17.6N 64.9W AND IS 87 KM (46 NMI) WIDE. THIS ASH IS
DRIFTING WESTWARD AT 10 KTS.
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TRAJECTORY: ASH UP TO FL130 IS MOVING WESTWARD AT 10 KTS. ASH AT FL250
IS DRIFTING SOUTH AT 5 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 LATEST SIGMETS AND VAFTAD.
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THE NEXT MESSAGE FOR THIS EVENT WILL BE ISSUED BY 14/0500 UNLESS
CONDITIONS CHANGE.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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NNNN"Attached Graphic Map Depicting Ash" 

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