FVXX22 KWBC 212050
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2050 UTC 21 JAN 2000 BY THE WASHINGTON VAAC 
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SAN CRISTOBAL 00-011   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 1200 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 2015 UTC SHOWED AN
ELONGATED THIN WISPY PLUME EXTENDING FROM THE SUMMIT TO THE
SOUTHWEST.  THE ASH CLOUD EXTENDS ABOUT 470 KM (250 NMI)
SOUTHWESTWARD AND IS UP TO 42 KM (25 NMI) IN WIDTH AT ITS WIDEST
AREA.  THE PLUME IS APPROXIMATELY BOUNDED BY THE FOLLOWING POINTS
1242N8700W TO 1229N8752W TO 1018N8852W TO 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 22/0300 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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NOAA/NESDIS/SAB
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"