FVXX21 KWBC 261800                
VOLCANIC ASH ADVISORY
ISSUED: 2001MAY26/1800Z   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: 2001/64
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INFORMATION SOURCE: MEXICO CITY METEOROLOGICAL WATCH OFFICE.  GOES-8
VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY.  SIX HOUR WIND FORECAST
FROM THE 26/1200Z AVIATION MODEL.
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ERUPTION DETAILS: STEAM AND ASH EMISSION AT 26/1722Z.
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DETAILS OF ASH CLOUD: THE MEXICO CITY METEOROLOGICAL WATCH OFFICE
REPORTS AN ASH AND STEAM ERUPTION TO FL230.  SATELLITE IMAGERY
THROUGH 26/1740Z SHOWS TWO DISTINCT ASH PLUMES.  A HIGH LEVEL PLUME
ESTIMATED TO BE AT FL23O IS MOVING OFF TO THE NORTHEAST WHILE A
LOWER LEVEL PLUME ESTIMATED TO BE AT SUMMIT LEVEL IS MOVING TO THE
SOUTHWEST.
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TRAJECTORY: ASH AT FL230 WILL MOVE TOWARDS THE NORTHEAST AT 15-20
KNOTS.  ASH AT FL180 WILL MOVE TOWARDS THE SOUTHWEST AT 15-20 KNOTS. 
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 27/000OZ.
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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/ORRISON
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