FVXX20 KWBC 171445
VOLCANIC ASH ADVISORY
ISSUED: 2000DEC17/1445Z  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: 2000/188
                                                              
INFORMATION SOURCE: GOES-8 VISIBLE .. INFRARED AND
MULTISPECTRAL IMAGERY.  MEXICO CITY UPPER AIR SOUNDINGS. 
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ERUPTION DETAILS: ERUPTION ABOUT 17/1250Z 
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 17/1402Z
CLEARLY SHOWS THE ASH PLUME MOVING IN THREE GENERAL
DIRECTIONS. THE ASH MOVING NORTH EAST FROM THE VOLCANO IS
LIKELY BETWEEN FL280 AND FL300. IT EXTENDS 27KM (15NMI) FROM
THE VOLCANO.  ASH MOVING SOUTH EAST IS 31 KM (17 NMI) FROM THE
VOLCANO IS LIKELY BETWEEN FL240 AND FL280.  AN AREA OF ASH
MOVING WEST IS 45KM (25 NMI) FROM THE VOLCANO AND IS BELIEVED
TO BE BELOW FL170.  THE ENTIRE AREA IS ROUGHLY BOUNDED BY
POINTS 1915N 9832W TO 1910N 9825W TO 1902N 9828W TO 1855N
9821W T0 1849N 9828W TO 1859N 9842W TO 1856N 9902W AND 1902N
9903W.
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TRAJECTORY: ASH FROM THE SUMMIT TO FL220 WOULD MOVE SOUTH TO
SOUTHWEST AT 10 TO 15 KNOTS. BETWEEN FL220 AND FL240 ASH WOULD
BE INFLUENCED BY LIGHT WESTERLY WINDS.  FROM FL240 UP TO FL300
ASH WOULD MOVE EASTERLY AT 10 TO 15 KNOTS.  ASH BETWEEN FL100
AND FL1700 WOULD MOVE WESTERLY.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 17/2030Z.
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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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