FVXX22 KWBC 270315
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0315 UTC 27 FEB 2000 BY THE WASHINGTON VAAC
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SAN CRISTOBAL 00-055 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 MULTISPECTRAL AND
INFRARED IMAGERY. AVIATION MODEL WINDS FORECAST. CHINANDEGA
SURFACE OBSERVATION.
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ERUPTION DETAILS: CONTINUOUS LOW LEVEL ASH AND GAS EMISSION.
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DETAILS OF ASH CLOUD: VOLCANIC ASH WAS LAST REPORTED IN THE
SURFACE OBSERVATIONS FROM CHINANDEGA AT 26/2200 UTC. VISIBLE
IMAGERY THROUGH 26/2245 UTC SHOWED A PLUME EXTENDING FROM THE
SUMMIT TO 1240N8741W TO 1233N8803W TO 1246N8840W. THE PLUME
WAS 20 KM (11 NMI) WIDE AND ESTIMATED TO BE BELOW FL080.
NO ASH WAS DISCERNED IN INFRARED OR MULTISPECTRAL IMAGERY
THROUGH 0245 UTC POSSIBLY DUE TO THE LOW LEVEL NATURE OF THE
PLUME.
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TRAJECTORY: TOWARDS THE WEST AT 10 TO 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 27/0900 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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TURK
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NNNN"Attached Graphic Map Depicting Ash"
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