FVXX22 KWBC 311640
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1640 UTC 31 JAN 2000 BY THE WASHINGTON VAAC 
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SAN CRISTOBAL 00-016   NICARAGUA  1242N 8700W 
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BACKGROUND:    SAN CRISTOBAL NICARAGUA (1404-02)
               SUMMIT HEIGHT 5725 FT (1745M)
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SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL
IMAGERY...1600 UTC CHINANDEGA SURFACE REPORT...
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ERUPTION DETAILS: OCCASIONAL LIGHT ASH AND STEAM EMISSIONS...
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DETAILS OF ASH CLOUD: GOES-8 SATELLITE IMAGERY OVER THE LAST HOUR
SUGGESTS THAT THERE IS SOME LIGHT ASH AND STEAM VENTING FROM THE
SUMMIT. IN ADDITION THERE IS A SURFACE REPORT OUT OF
CHINANDEGA INDICATING ASH. THE EMISSIONS ARE BELIEVED TO BE NEAR-SUMMIT WITH A HEIGHT UP TO FL060.
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TRAJECTORY: WEST AT 15 TO 20 KNOTS.
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OUTLOOK:  SEE LATEST SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 31/2230 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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ORRISON
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