FVXX23 KWBC 172220
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2220 UTC 17 JAN 2000 BY THE WASHINGTON VAAC 
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SAN CRISTOBAL 00-005   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.  CHINANDEGA SURFACE OBSERVATION.  NICARAGUAN GEOPHYSICAL
INSTITUTE.  9 HOUR FORECAST FROM THE 17/1200 UTC NGM MODEL.
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ERUPTION DETAILS: POSSIBLE SMALL ERUPTION AT 17/2000 UTC.
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 17/2045..CURRENT
SURFACE OBSERVATIONS AND REPORTS FROM THE GEOPHYSICAL INSTITUTE ALL
INDICATE AN ERUPTION OF THE SAN CRISTOBAL VOLCANO.  THE 17/2045 UTC
SATELLITE IMAGE SHOWS A FAINT PLUME STRETCHING 72KM (39 NMI) TO THE
SOUTHWEST AWAY FROM THE SUMMIT.  THE PLUME IS 21KM (11NMI) WIDE AND
EXTENDS TO THE POINT: 1218N 8732W.  CURRENT REPORTS INDICATE THE
PLUME IS AT SUMMIT HEIGHT OR FL060.   
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TRAJECTORY: ASH AT FL060 WILL MOVE TOWARD THE SOUTHWEST AT 20KTS.
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OUTLOOK:  SEE LATEST SIGMETS.
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NEXT STATEMENT WILL BE ISSUED BY 18/0430 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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WALTER
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"