FVXX23 KWBC 212310
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2310 UTC 21 FEB 2000 BY THE WASHINGTON VAAC
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SAN CRISTOBAL 00-034   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. CHINANDEGA SURFACE OBSERVATION 12 HOUR WIND FORECAST FROM
THE AVIATION MODEL.
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ERUPTION DETAILS: EMISSION OF ASH AND GASES BEGINNING TIME UNKNOWN.
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DETAILS OF ASH CLOUD: THE TIME DELAYED 2200 UTC CHINANDEGA SURFACE
OBSERVATION REPORTED RESTRICTION TO VISIBILITY DUE TO VOLCANIC ASH. 
SATELLITE IMAGERY IS INCONCLUSIVE WITH SOME HAZINESS TO THE
SOUTHWEST OF THE VOLCANO WHICH MIGHT BE DUE TO VOLCANIC ASH.  THE
ASH IS ASSUMED TO BE BELOW FL060.

TRAJECTORY: SOUTHWEST AT 20KTS..
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OUTLOOK:  SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 22/0530 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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SCHWARTZ
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