FVXX22 KWBC 011445
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1445 UTC 01 FEB 2000 BY THE WASHINGTON VAAC 
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SAN CRISTOBAL 00-020   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 IMAGERY.  6 HOUR WIND
FORECAST FROM 06 UTC AVN MODEL.  INETER GEOPHYSICAL LAB IN MANAGUA
NICARAGUA. 
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ERUPTION DETAILS: ONGOING ASH AND STEAM EMISSIONS.
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DETAILS OF ASH CLOUD: A LOW LEVEL ASH AND STEAM PLUME TO THE
SOUTHWEST OF THE SUMMIT WAS DETECTED ON 1315 UTC IMAGERY.  THIS
ERUPTION EVENT MOST LIKELY STARTED OVERNIGHT AS THE ASH CLOUD HAD
SIGNIFICANT AREAL COVERAGE IN THE FIRST VISIBLE IMAGE OF THE DAY. 
THE ASH WAS NOT DETECTED IN MULTISPECTRAL IMAGERY.  THE INETER LAB
CONFIRMED THE ONGOING EMISSIONS OF ASH AND STEAM.
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AT 1345 UTC THE ASH PLUME EXTENDS 72 KM (39 NMI) TO THE SOUTHWEST OF
THE SUMMIT TO THE POINT 1230N8638W AND IS 8 KM (4.5 NMI) WIDE.  THE
ASH IS ESTIMATED TO BE AT OR BELOW FL100.  
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TRAJECTORY: TOWARD THE SOUTHWEST AT 5-15 KNOTS.
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OUTLOOK:  SEE LATEST SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 01/2100 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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CLARK
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NNNN"Attached Graphic Map Depicting Ash" 

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