FVXX20 KWBC 191400
VOLCANIC ASH ADVISORY
ISSUED: 2000DEC19/1400Z  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: 2000/197
                                                              
INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY.  POPOCATEPETL CAM.  
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ERUPTION DETAILS: ERUPTION BEGAN ABOUT 17/1250Z. SEVERAL HIGH
LEVEL ERUPTIONS OVER THE LAST 12 HOURS.  CONTINUOUS LOW LEVEL
ERUPTION.
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DETAILS OF ASH CLOUD: THE VOLCANO CONTINUES TO ERUPT PRODUCING
3 AREAS OF ASH.  AT 1302Z THE AREA ESTIMATED BETWEEN FL200 AND
FL250 IS BOUNDED BY 1857N 9821W  1838N 9756W  1846N 9714W 
1922N 9645W   1901N 9618W   1928N 9502W   1927N 9417W   1904N
9418W   1816N 9638W   1816N 9806W   1840N 9842W   1901N 9835W.
THIS AREA IS APPROXIMATELY 460KM (250NMI) LONG AND 75KM
(40NMI) WIDE. MOVEMENT IS EAST TO EAST SOUTHEAST AT 15-20 KT.

THE SECOND AREA OF ASH ESTIMATED BETWEEN FL300 AND FL350 AND
IS APPROXIMATELY BOUNDED BY 2051N 9313N   2124N 9241W   2111N
9223W   2038N 9303W. THIS AREA IS APPROXIMATELY 110KM (60NMI)
LONG AND 47KM (25 NMI) WIDE.   MOVEMENT IS EAST NORTHEAST AT
35KT.

THE THIRD AREA IS ESTIMATED BETWEEN FL300 AND FL350 AND IS
APPROXIMATELY BOUNDED BY 2154N 9057W  2227N 9050W  2303N 9016W 
2251N 9004W   2221N 9012W   2153N 9044W.  THIS AREA IS
APPROXIMATELY 115KM (65NMI) LONG AND 50KM (26NMI) WIDE.
MOVEMENT IS EAST NORTHEAST AT 35 KT. 
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TRAJECTORY: ASH AT FL200 WILL MOVE TOWARDS THE EAST TO EAST
SOUTHWEST AT 10 TO 20 KNOTS.  ASH AT FL3O0-350  WILL MOVE
TOWARDS THE EAST NORTHEAST AT 35 TO 40 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 19/2000Z.
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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" 

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