FVXX20 KWBC 200200
VOLCANIC ASH ADVISORY
ISSUED: 2001DEC20/0200Z   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: 2001/114
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INFORMATION SOURCE:   MEXICO CITY MWO REPORT.  GOES-8 INFRARED
AND MULTISPECTRAL IMAGERY.  MEXICO CITY UPPER AIR SOUNDING.  SIX
HOUR WIND FORECAST FROM THE 19/1800Z AVIATION MODEL.
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ERUPTION DETAILS: NEW EXHALATION AT 20/0127Z.
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DETAILS OF ASH CLOUD: THE MEXICO CITY MWO RECEIVED A REPORT FROM
CENAPRED THAT THE VOLCANO HAD AN OTHER EXHALATION AT 20/0127Z. 
THE ASH WAS REPORTED TO FL250 AND MOVING TO THE NORTHEAST AT 25
KNOTS.  CURRENT SATELLITE IMAGERY THROUGH 20/0132Z DOES SHOW A
VERY SMALL AREA OF ASH JUST TO THE NORTHEAST OF THE SUMMIT. 
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TRAJECTORY: ASH AT FL250 WILL MOVE TOWARDS THE NORTHEAST AT 25
KNOTS. 
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OUTLOOK: SEE SIGMETS.
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NEXT ADVISORY: NEXT ADVISORY: 2001DEC20/0800Z.
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WALTER
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