FVXX22 KWBC 281500
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1500 UTC 28 FEB 2000 BY THE WASHINGTON VAAC
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SAN CRISTOBAL 00-061 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..INFRARED AND
MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE
28/0600 UTC AVIATION MODEL.
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ERUPTION DETAILS: CONTINUOUS LOW LEVEL ASH AND GAS EMISSION.
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 28/1345 UTC
SHOWS A FAINT LOW LEVEL PLUME EXTENDING TO THE SOUTHWEST AWAY
FROM THE SUMMIT. THE PLUME IS 75KM IN LENGTH AND 30KM WIDE
AND EXTENDS TO THE POINT: 1214N 8729W. ESTIMATED HEIGHT OF
THE ASH BASED FORECAST WIND DATA IS BELIEVED TO BE FL050.
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TRAJECTORY: ASH AT FL050 WOULD MOVE TO THE SOUTHWEST AT 20KT.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 28/2100 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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WALTER
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NNNN"Attached Graphic Map Depicting Ash"
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