FVXX22 KWBC 241445            
VOLCANIC ASH ADVISORY
ISSUED: 2001JUL24/1445Z   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: 2001/87
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INFORMATION SOURCE: MEXICO CITY METEOROLOGICAL WATCH OFFICE.  GOES-8
VISIBLE..MULTISPECTRAL AND INFRARED SATELLITE IMAGERY.  MEXICO CITY
UPPER AIR SOUNDING.  SIX HOUR WIND FORECAST FROM THE 24/0600Z
AVIATION MODEL.
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ERUPTION DETAILS: ASH OBSERVED AT 24/1400Z.
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DETAILS OF ASH CLOUD: THE MEXICO CITY MWO RECEIVED A PILOT REPORT OF
ASH OVER THE SUMMIT AT 24/1400Z TO FL180 MOVING WEST.  SATELLITE
IMAGERY THROUGH 24/1415Z DOES NOT INDICATE ANY ASH HOWEVER CLOUDS IN
THE AREA MIGHT BE HINDERING DETECTION OF THE ASH. 
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TRAJECTORY: WINDS AT FL180 ARE LIGHT AND VARIABLE SO EXPECT ASH TO
CONTINUE TO DRIFT TO THE WEST OR POSSIBLY WEST-SOUTHWEST.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 24/2100Z.
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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/RUMINSKI
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