FVXX22 KWBC 211515
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1515 UTC 21 JAN 2000 BY THE WASHINGTON VAAC 
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SAN CRISTOBAL 00-010   NICARAGUA  1242N 8700W 
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BACKGROUND:      SAN CRISTOBAL  NICARAGUA  (1404-02)
                 SUMMIT HEIGHT 5725 FT  (1745 M)
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SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY...6 HOUR WIND FORECAST FROM 0600 UTC AVN MODEL...GEOPHYSICAL
LAB IN MANAGUA...
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ERUPTION DETAILS: CONTINUOUS EMISSIONS OF ASH...  
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DETAILS OF ASH CLOUD: VISIBLE IMAGERY THROUGH 1415 UTC SHOWED AN
ELONGATED THIN ASH PLUME EXTENDING FROM THE SUMMIT TO THE SOUTHWEST. 
THE ASH CLOUD EXTENDS 183 KM (100 NMI) SOUTHWESTWARD AND IS 42 KM
(25 NMI) IN WIDTH AT ITS WIDEST AREA.  THE PLUME IS BOUNDED BY THE
FOLLOWING POINTS 1157N8732W TO 1132N8748W TO 1137N8817W TO
1147N8817W 1157N8755W TO 1240N8658W AND IS ESTIMATED AT SUMMIT LEVEL
(FL060).    
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TRAJECTORY: TOWARD THE SOUTHWEST AT 15 KNOTS...
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OUTLOOK:  SEE LATEST SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED AT 21/2100 UTC. 
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS 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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CLARK/WALTER/ORRISON/NOAA/NESDIS/SAB
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NNNN"Attached Graphic Map Depicting Ash" 

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