FVXX20 KWBC 160845
VOLCANIC ASH ADVISORY
ISSUED: 2000DEC16/0845Z  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: 2000/182
                                                              
INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 
MEXICO CITY UPPER AIR SOUNDINGS. MEXICO CITY MWO
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ERUPTION DETAILS: NEW EMISSIONS OF ASH 
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DETAILS OF ASH CLOUD: GOES8 IMAGERY THROUGH 0815Z SHOWS A NEW
PLUME OF ASH ABOUT 3-5 NMI WIDE EXTENDING 10 NMI TO THE SOUTH
SOUTHWEST OF THE SUMMIT. ESTIMATED HEIGHT IS FL200.
  
A BROAD AREA OF DISPERSING ASH FROM PREVIOUS ERUPTIONS IS 
VERY APPROXIMATE BOUNDED BY 1841N 9922W 1739N 10000W 1712N
10200W 1843N 10118W.  THIS AREA IS TRANSLATING WEST
SOUTHWESTWARD AT 5 TO 10 KNOTS. IT RANGES FROM 45 TO 175 NMI
WEST SOUTHWEST OF THE SUMMIT.
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TRAJECTORY: ASH FROM THE SUMMIT TO FL200 WOULD MOVE SOUTH AND
SOUTHWEST AT ABOUT 10 KT. THE ASH BETWEEN FL200 AND FL250
SHOULD MOVE TOWARDS THE WEST OR WEST SOUTHWEST  AT 5 TO 10 KT.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 16/1500Z.
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REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN
ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT
INTERNET URL ADDRESS
HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML
(ALL LOWER CASE EXCEPT /VAAC/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"