FVXX23 KWBC 311930
VOLCANIC ASH ADVISORY
ISSUED: 2001DEC31/1930Z   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: 2001/295
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INFORMATION SOURCE:  GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL
IMAGERY. GEOPHYSICAL INSTITUTE. SIX HOUR WIND FORECAST FROM THE
31/1200Z AVIATION MODEL.
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ERUPTION DETAILS: VOLCANIC ASH OVER THE VOLCANO AT 31/1650Z.
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DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE OBSERVED VOLCANIC
ASH OVER THE VOLCANO FROM THE SUMMIT TO FL220. SATELLITE IMAGERY
THROUGH 31/1845Z SHOWS A SMALL PUFF OF ASH APPROXIMATELY 10 KM TO
THE NORTHWEST OF THE SUMMIT MOVING WEST-NORTHWEST.
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TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL220 WILL MOVE
TOWARDS THE WEST-NORTHWEST AT 10 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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NEXT ADVISORY: WILL BE ISSUED BY 2001DEC31/2345Z.
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WALTER
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