FVXX20 KWBC 172030
VOLCANIC ASH ADVISORY
ISSUED: 2000DEC17/2030Z  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: 2000/189
                                                              
INFORMATION SOURCE: GOES-8 VISIBLE .. INFRARED AND
MULTISPECTRAL IMAGERY.  6 HOUR AVN MODEL UPPER AIR FORECAST. 
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ERUPTION DETAILS: ERUPTION BEGAN ABOUT 17/1250Z 
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 17/2002Z SHOWS
AN ASH PLUME EXTENDING 137 KM (74 NMI) SOUTHEAST OF THE
VOLCANO WHICH IS LIKELY TO BE BETWEEN FL250 AND FL300. 
ANOTHER SECTION OF THE PLUME EXTEND 90 KM (49 NMI) TO THE
NORTHEAST AND IS BETWEEN THE SUMMIT AND FL250.  THE PLUME IS
ROUGHLY BOUNDED BY POINTS 1913N 9747W TO 1923N 9828W TO 1902N
9846W TO 1758N 9818W TO 1752N 9800W AND 1842N 9811W.  
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TRAJECTORY: ASH FROM THE SUMMIT TO FL250 WOULD MOVE SOUTH
SOUTHEAST AT ABOUT 10 KNOTS.  FROM FL250 UP TO FL300 ASH WOULD
MOVE EASTERLY AT 15 TO 20 KNOTS. 
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 18/0230Z.
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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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