FVXX20 KWBC 111410
VOLCANIC ASH ADVISORY
ISSUED: 2001DEC11/1410Z   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: 2001/106
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INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY. CENAPRED VOLCANO CAMERA.  12Z MEXICO CITY UPPER AIR
WINDS REPORT.   
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ERUPTION DETAILS: ASH OBSERVED OVER THE VOLCANO AT 11/0158Z.
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DETAILS OF ASH CLOUD: IN ALMOST CLEAR SATELLITE IMAGERY THROUGH
11/1332Z NO ASH HAS BEEN DETECTED FOR OVER 6 HOURS.  HOWEVER A
VERY BRIGHT HOTSPOT CONTINUES TO BE OBSERVED IN THE SHORTWAVE
IMAGERY. THERE HAS ALSO BEEN NO STRONG ASH CLOUD OBSERVED FROM
THE VOLCANO CAMERA BUT THERE IS A FAINT RELEASE OF GASSES AND
MAYBE SOME VERY LIGHT ASH NEAR THE SUMMIT.    
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TRAJECTORY: ANY REMAINING LIGHT ASH FROM THE SUMMIT TO FL210 WILL 
MOVE TO THE NORTHEAST AROUND 25 KNOTS. 
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OUTLOOK:  SEE SIGMETS.
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NEXT ADVISORY: MP FURTHER ADVISORIES. 
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