FVXX21 KWBC 172000
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2000 UTC 17 JUNE 1999 BY THE WASHINGTON VAAC 
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POPOCATEPETL 99-079   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 AND CENEPRED REPORTS.  1200
UTC MEXICO CITY SOUNDING. GOES 8 IMAGERY.  CENEPRED REMOTE CAMERA.
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ERUPTION DETAILS:   REPORTED ERUPTION 17/1936 UTC TO FL200.
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DETAILS OF ASH CLOUD: MEXICO CITY MWO AND CENEPRED REPORTED A MINOR
ERUPTION OF THE POPOCATEPETL VOLCANO TO FL200 POSSIBLY CONTAINING
ASH.  NO PLUME IS VISIBLE ON GOES8 IMAGERY AND THE CENEPRED REMOTE
ALTHOUGH THERE IS EXTENSIVE METEOROLOGICAL CLOUDS IN THE AREA.
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TRAJECTORY: THE 17/1200 UTC MEXICO CITY UPPER AIR SOUNDING SUGGEST
ANY  ASH AT THIS REPORTED LEVEL WOULD MOVE TOWARD THE WEST NORTHWEST
AT 5-10 KNOTS.
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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/messages.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE LATEST SIGMETS.
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NEXT ADVISORY WILL BE ISSUED AROUND 18/0200 UTC.      
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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