FVXX21 KWBC 212000
VOLCANIC ASH ADVISORY
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ISSUED: 2001DEC21/2000Z  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: 2001/117

INFORMATION SOURCE: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL
IMAGERY.  MEXICO CITY METEOROLOGICAL WATCH OFFICE. CENAPRED. SIX
HOUR WIND FORECAST FROM THE 21/1200Z AVIATION MODEL.
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ERUPTION DETAILS: VENTING OF STEAM AND ASH AT 21/1235Z. 
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DETAILS OF ASH CLOUD: ASH IS NOT SEEN IN THE SATELLITE IMAGERY
THROUGH 21/1945Z..HOWEVER A BRIGHT HOT SPOT IS VISIBLE IN
SHORTWAVE IMAGERY.
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TRAJECTORY: ANY ASH AT FL230 WILL MOVE TO THE NORTHEAST AT 25
KNOTS.
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OUTLOOK:  SEE SIGMETS.
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NEXT ADVISORY: WILL BE ISSUED BY 2001DEC22/0200Z
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WALTER
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