FVXX23 KWBC 311600
VOLCANIC ASH ADVISORY
ISSUED: 2001DEC31/1600Z   VAAC: WASHINGTON
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VOLCANO: TUNGURAHUA  1502-08
LOCATION: 0128S 7826W    AREA: ECUADOR
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SUMMIT ELEVATION: 16480 FT (5023 M)
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ADVISORY NUMBER: 2001/294
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INFORMATION SOURCE:  GOES-8 VISIBLE..INFRARED AND
MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE. 12 HOUR WIND
FORECAST FROM THE 31/0600Z AVIATION MODEL.
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ERUPTION DETAILS: VOLCANIC ASH OVER THE VOLCANO AT 31/1519Z.
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DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE OBSERVED
VOLCANIC ASH OVER THE VOLCANO FROM THE SUMMIT TO FL250.
SATELLITE IMAGERY THROUGH 31/1545Z DOES NOT INDICATE ANY ASH.
WE WILL CONTINUE TO MONITOR IMAGERY AND SEND ANOTHER ADVISORY
IF CONDITIONS WARRANT.
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TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL250 WILL MOVE
TOWARDS THE WEST AT 10 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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NEXT ADVISORY: NO FURTHER ADVISORIES
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WALTER/SCHWARTZ
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