FVXX22 KWBC 050140
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0140 UTC 05 DEC 1999 BY THE WASHINGTON VAAC 
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SAN CRISTOBAL  99-014   NICARAGUA  12.7N 87.0W 
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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.  04/1200 UTC AVIATION MODEL UPPER-AIR SOUNDING DATA.
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ERUPTION DETAILS: CHINANDEGA NICARAGUA METAR REPORT INDICATED
MODERATE ACTIVITY AT 0000 UTC.
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DETAILS OF ASH CLOUD: MID AND HIGH LEVEL CLOUDS PRECLUDED THE
DETECTION OF ASH IN SATELLITE IMAGERY THROUGH 05/0115 UTC.  NO
ADDITIONAL INFORMATION IS AVAILABLE.
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TRAJECTORY: ASH FROM SUMMIT HEIGHT TO FL240 WOULD MOVE TOWARDS THE
WEST BETWEEN 10 AND 20 KNOTS.
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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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OUTLOOK:  SEE LATEST SIGMETS.
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EFFECTIVE JANUARY 3 2000 AT 0000 UTC... ALL REFERENCES TO LATITUDE
AND LONGITUDE IN VOLCANIC ASH ADVISORY STATEMENTS WILL BE IN DEGREES
AND MINUTES OF A DEGREE. EXAMPLE: 16.70N 62.20W  WILL BE  1642N6212W
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THE NEXT MESSAGE WILL BE ISSUED AT 05/0800 UTC OR SOONER IF
ADDITIONAL INFORMATION BECOMES AVAILABLE.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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WALTER/SAB/NOAA/NESDIS
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