FVXX20 KWBC 252130
VOLCANIC ASH ADVISORY
ISSUED: 2001JAN25/2130Z  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: 2001/23
                                                              
INFORMATION SOURCE: GOES-8 VISIBLE AND INFRARED AND
MULTISPECTRAL IMAGERY.  MEXICO CITY METEOROLOGICAL WATCH
OFFICE SIGMET. AVIATION MODEL FORECAST WINDS.
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ERUPTION DETAILS: ASH PLUME PRODUCED BY ROCKFALLS.
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DETAILS OF ASH CLOUD: AT 2045Z SATELLITE IMAGERY SHOWS AN ASH
PLUME EXTENDING FROM THE SUMMIT TOWARD THE NORTH APPROXIMATELY
TO THE POINT 1917N 9841W.  THE PLUME IS ABOUT 29 KM (16 NMI)
LONG AND 5 KM (3NMI) WIDE.  ASH IS ESTIMATED TO BE UP TO
FL230. 
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TRAJECTORY: ASH UP TO ABOUT FL230 IS MOVING TOWARD THE NORTH
AT ABOUT 10 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 26/0330Z.
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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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