FVXX21 KWBC 291500
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1500 UTC 29 SEPTEMBER 1999 BY THE WASHINGTON VAAC 
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POPOCATEPETL 99-094 MEXICO 19.02N 98.62W 
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BACKGROUND:    POPOCATEPETL MEXICO (1401-09)
               SUMMIT HEIGHT 17930 FT (5465 M)
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SOURCES OF INFORMATION: MEXICO CITY MWO...GOES 8 VISIBLE..INFRARED
AND MULTISPECTRAL IMAGERY..CENAPRED VOLCANO CAM AND MEXICO CITY
UPPER AIR SOUNDING.
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ERUPTION DETAILS: ERUPTION AT 29/1425 UTC.
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DETAILS OF ASH CLOUD: METEOROLOGICAL WATCH OFFICE FROM MEXICO CITY
REPORTS THAT CENAPRED IS REPORTING AN ERUPTION OF THE VOLCANO WITH
ASH BETWEEN FL180-FL250.  GOES-8 SATELLITE IMAGERY AND THE CENAPRED
VOLCANO CAM BOTH SHOW EXTENSIVE CLOUDINESS OVER THE VOLCANO
THEREFORE NO ASH IS VISIBLE AT THIS TIME.
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TRAJECTORY: WEST-SOUTHWEST 25-30 KTS.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE LATEST SIGMETS.
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NEXT MESSAGE WILL BE ISSUED AT 29/2100 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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