FVXX20 KWBC 130600
VOLCANIC ASH ADVISORY
ISSUED: 2000DEC13/0330Z    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: 2000/166
                                                              
INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY.
MEXICO CITY MWO. CENAPRED.MMBP SURFACE OBSERVATION
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ERUPTION DETAILS: ERUPTION BEGINNING AT 12/2207Z AND ENDING
AROUND 0030Z.
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DETAILS OF ASH CLOUD: GOES8 IMAGBER THROUGH 0515Z SHOWS 2
AREAS OF ASH.  THE MOST DENSE AREA OF ASH IS APPROXIMATELY
BOUNDED BY 2058N 9642W 2130N 9642W 2143N 9552W. THIS AREA IS
117KM( 63NMI) LONG AND 50KM (27NMI) WIDE.  ASH IS MOVING
NORTHEAST AT 35 KNOTS AND IS ESTIMATED AT FL350 BY THE MEXICO
CITY MWO. A SECOND AREA OF THIN DISPERSING ASH IS
APPROXIMATELY BOUNDED BY  2006N 9746W 2046N 9818W 2104N 9822W
2058N 9759W 2016N 9722W. THIS AREA IS 133KM( 72NMI) LONG AND
52KM (28NMI) WIDE. MOVEMENT IS NORTH-NORTHEAST AT ABOUT 15-20
KNOTS.   MMPB HAS REPORTED ASH BETWEEN FL160 AND FL180 WHICH
AGREE WITH THE 00Z MEXICO CITY RAOB FOR THIS AREA.  
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TRAJECTORY: HIGH LEVEL ASH NORTHEAST AT ABOUT 35 KNOTS. LOW
LEVEL ASH NORTHNORTHEAST AT 15-20 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 13/1200Z.
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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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"Attached Graphic Map Depicting Ash" 

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