FVXX22 KWBC 232140
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2140 UTC 23 NOV 1999 BY THE WASHINGTON VAAC 
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SAN CRISTOBAL  99-005   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 INFRARED..VISIBLE..AND MULTISPECTRAL
IMAGERY. INETER VOLCANOLOGISTS ON SITE. 1200 UTC AVIATION MODEL
DATA.
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ERUPTION DETAILS: INETER VOLCANOLOGISTS REPORTED THE SAN CRISTOBAL
VOLCANO WAS EMITTING ASH AT NEAR SUMMIT LEVEL AROUND 1500 UTC.
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DETAILS OF ASH CLOUD: ASH IS NOT DISCERNABLE IN GOES-8 SATELLITE
IMAGERY. ONLY SCATTERED CLOUDS ARE SEEN IN THE IMAGERY INDICATING
THAT ANY FURTHER ASH EMISSIONS WOULD BE VERY NEAR THE SUMMIT.
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TRAJECTORY: 1200 UTC AVIATION MODEL DATA INDICATE THAT WINDS BELOW
FL100 ARE LIGHT AND VARIABLE WITH THE AREA NEAR A LOW AND MID LEVEL
ANTICYCLONE.
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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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THIS WILL BE THE LAST MESSAGE FOR THIS EVENT.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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RUMINSKI      
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