FVXX22 KWBC 230200
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0200 UTC 23 FEB 2000 BY THE WASHINGTON VAAC
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SAN CRISTOBAL  00-039        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 AND MULTISPECTRAL IMAGERY.
AVIATION MODEL WINDS VALID 22/1800 UTC. SURFACE METAR FROM
CHINANDEGA NICARAGUA.
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ERUPTION DETAILS: CONTINUOUS LOW LEVEL ASH AND GAS EMISSION.
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DETAILS OF ASH CLOUD: UNABLE TO DETECT ANY EMISSIONS IN THE LATEST
GOES-8 INFRARED IMAGERY AT 0115 UTC. THE LAST VISIBLE IMAGE OF THE
DAY AT 2315 UTC CONTINUED TO SHOW A PLUME OF DIFFUSE ASH EXTENDING
TOWARD THE SOUTHWEST. THE PLUME 24KM (13NMI) WIDE WAS ESTIMATED
BELOW FL070. NICARAGUA SURFACE STATION AT CHINANDEGA CONTINUES TO
REPORT VOLCANIC ASH THROUGH 2100 UTC.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR BELOW FL100
WOULD MOVE SOUTHWEST AT 10 TO 15 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 23/0800 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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BROWN-NOAA/NESDIS/SAB
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