FVXX21 KWBC 180056
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0056 UTC 18 JUNE 1999 BY THE WASHINGTON VAAC 
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POPOCATEPETL 99-080   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 WAS EVER VISIBLE ON GOES8 IMAGERY ALTHOUGH THERE HAS
BEEN 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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THIS IS THE LAST MESSAGE ON THIS EVENT.      
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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