FVXX20 KWBC 200800
VOLCANIC ASH ADVISORY
ISSUED: 2000DEC20/0800Z  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: 2000/200
                                                              
INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 
POPOCATEPETL CAM. 00Z UPPER AIR DATA FROM MEXICO CITY.  SIX
HOUR WIND FORECAST FROM 20/0000Z AVIATION MODEL.
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ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH
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DETAILS OF ASH CLOUD: THE VOLCANO CONTINUES TO ERUPT PRODUCING
ASH ESTIMATED UP TO FL320.  TWO AREAS OF ASH TO FL320 ARE
OBSERVED.  THE FIRST IS BOUNDED BY THE FOLLOWING
POINTS....1900N9834W 1909N9758W 1907N9741W 1851N9732W AND
1900N9834W.  THE SECOND AREA IS BOUNDED BY THE FOLLOWING
POINTS...1916N9534W 1902N9419W 1835N9350W 1827N9413W
1824N9507W 1846N9606W 1903N9601W AND 1916N9534W.
A VERY LARGE AREA OF ASH AT FL250 IS BOUNDED BY THE FOLLOWING
POINTS....1900N9836W 1810N9823W 1649N9956W 1621N9750W
1742N9738W 1827N9527W 1852N9612W 1824N9742W 1855N9806W AND
1900N9836W. EMBEDDED IN THIS AREA IS AN AREA OF VERY DENSE ASH
AT FL250 BOUNDED BY THE FOLLOWING POINTS....1900N9836W
1810N9823W 1755N9745W 1826N9743W 1854N9804W AND 1900N9836W. 
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TRAJECTORY: ASH TO FL320 WOULD MOVE TOWARD THE EAST AT 30
KNOTS. ASH TO FL250 WOULD MOVE VARIABLE AT 10 KNOTS OR LESS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 20/1400Z.
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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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WALTER
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NNNN"Attached Graphic Map Depicting Ash" 

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