FVXX21 KWBC 291138
VOLCANIC ASH ADVISORY
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ISSUED: 2001DEC29/1138Z  VAAC: WASHINGTON
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VOLCANO: POPOCATEPETL 1401-09
LOCATION: 1901N 9837W    AREA: MEXICO
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SUMMIT ELEVATION: 17930 FT (5465 M) 
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ADVISORY NUMBER: 2001/128

INFORMATION SOURCE: SIGMET FROM MEXICO CITY METEOROLOGICAL WATCH
OFFICE. GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. SIX HOUR
FORECAST FROM 29/0600Z AVIATION MODEL.
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ERUPTION DETAILS: ASH OBSERVED AT 29/1032Z. 
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DETAILS OF ASH CLOUD: A SIGMET INDICATED THAT ASH WAS OBSERVED
WITHIN 5 NMI OF THE SUMMIT BETWEEN FL180 AND FL290.  SATELLITE
IMAGERY THROUGH 29/1102Z SHOWS THE AREA AROUND THE VOLCANO
OBSCURED BY CLOUDS.
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TRAJECTORY: ASH BETWEEN FL180 AND FL290 WOULD MOVE EAST NORTHEAST
AT AROUND 30 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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NEXT ADVISORY: WILL BE ISSUED BY 2001DEC29/1730Z.
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