FVXX20 KWBC 210800
VOLCANIC ASH ADVISORY
ISSUED: 2000DEC21/0800Z  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: 2000/204
                                                              
INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 
SIX HOUR WIND FORECAST FROM THE 21/0000Z AVIATION FORECAST.
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ERUPTION DETAILS: INTERMITTENT EMISSIONS OF MOSTLY STEAM
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DETAILS OF ASH CLOUD: ASH LAST SEEN OVER THE NORTHERN YUCATAN
PENINSULA IS NO LONGER VISIBLE IN THE SATELLITE IMAGERY
THROUGH 21/0715Z.  IN ADDITION NO ASH IS SEEN NEAR OR AROUND
THE VOLCANO HOWEVER A WELL DEFINED HOTSPOT IS DETECTED ON THE
MULTISPECTRAL IMAGERY.
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TRAJECTORY:  ANY REMAINING ASH OVER THE YUCATAN PENINSULA AT
FL32O WOULD MOVE TOWARDS THE NORTHEAST AT 30 KT.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 21/1400Z.
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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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