FVXX22 KWBC 230400
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0400 UTC 23 APR 2000 BY THE WASHINGTON VAAC
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SAN CRISTOBAL 00-068   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 INFRARED AND MULTISPECTRAL
SATELLITE IMAGERY.  12 HOUR FORECAST FROM THE 22/1800 UTC
AVIATION MODEL.
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ERUPTION DETAILS: ASH OBSERVED IN SATELLITE IMAGERY.
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DETAILS OF ASH CLOUD: DUE TO HIGH CLOUDS OVER THE AREA..ASH IS
NOT SEEN ON THE SATELLITE IMAGERY THROUGH 23/0315 UTC.  ASH
WAS LAST SEEN ON SATELLITE IMAGERY AT 22/2115 UTC AND WAS
BELIEVED TO BE BELOW FL100.
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TRAJECTORY: ASH BELOW FL100 WOULD MOVE TOWARDS THE WEST AT 10
KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 23/1000 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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WALTER
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