FVXX25 KWBC 291810
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1810 UTC 29 JAN 2000 BY THE WASHINGTON VAAC
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SAN CRISTOBAL 00-015   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...INETER GEOPHYSICAL LAB IN MANAGUA...0600 UTC AVN MODEL
DATA.
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ERUPTION DETAILS: SATELLITE IMAGERY DEPICTED A BRIEF ERUPTION AT
ABOUT 1415 UTC.
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DETAILS OF ASH CLOUD: A SHORT DURATION ERUPTION WAS SEEN IN HIGH
RESOLUTION VISIBLE SATELLITE IMAGERY AT 1415 UTC. THE ASH WAS
SUBSEQUENTLY SEEN TRACKING TO THE WEST SOUTHWEST TOWARD THE PACIFIC
OCEAN AND WAS NO LONGER DISCERNABLE BY 1545 UTC. INETER CONFIRMS
THAT THE VOLCANO IS CURRENTLY ACTIVE. IT IS ESTIMATED THAT THE
ERUPTION WAS A NEAR SUMMIT EVENT WITH ASH REACHING TO APPROXIMATELY
FL080.
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TRAJECTORY: ANY LINGERING ASH BETWEEN FL050 AND FL080 WOULD MOVE
TOWARD THE WEST SOUTHWEST AT 15-20 KNOTS.
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OUTLOOK:  SEE SIGMETS
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THE NEXT MESSAGE FOR THIS EVENT WILL BE ISSUED BY 30/0030 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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RUMINSKI/NOAA/NESDIS/SAB
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