FVXX23 KWBC 181600
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1600 UTC 18 JAN 2000 BY THE WASHINGTON VAAC 
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SAN CRISTOBAL 00-008           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. 18/0000 UTC AVN MODEL WINDS VALID AT 18/1200 UTC.
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ERUPTION DETAILS: POSSIBLE SMALL ERUPTION AT 17/2000 UTC.
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DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 1515 UTC SHOWS A DETACHED CLOUD
OF ASH AND GAS OVER THE PACIFIC OCEAN. THIS ASH IS 50 KM (27 NMI) LONG AND
22 KM (12 NMI) WIDE FROM POINT 1231N 8714W TO 1216N 8737W. THIS ASH OR GAS
IS ESTIMATED TO BE BELOW FL010. THE CLOUS IS VERY FAINT AND IS RAPIDLY
DISSIPATING.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH BELOW FL010 TO MOVE SOUTHWEST
AT 15 TO 20 KNOTS.
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OUTLOOK:  SEE LATEST SIGMETS.
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NEXT STATEMENT WILL BE ISSUED BY 18/2200 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   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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HUGHES/CLARK NOAA/NESDIS/SAB
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NNNN
"Attached Graphic Map Depicting Ash" 

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