FVXX20 KWBC 121615
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1615 UTC 12 MAR 1999 BY THE WASHINGTON VAAC
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POPOCATEPETL 99-022   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: METEOROLOGICAL WATCH OFFICE IN MEXICO
CITY...GOES-8 IMAGERY...POPO CAMERA
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ERUPTION DETAILS:  APPROXIMATELY 12/1552 UTC.
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DETAILS OF ASH CLOUD: THE MEXICO CITY MWO HAS PHONED IN AN ERUPTION
OF THE POPOCATEPETL VOLCANO.  AN EXPLOSIVE ERUPTION OCCURRED AT 1552
UTC WITH ASH RISING TO FL300 AT THE TIME OF CALL.  SATELLITE IMAGERY
IS NOT YET AVAILABLE FOLLOWING THE ERUPTION BUT A CAMERA OBSERVING
THE SUMMIT SUGGESTED A SHORT-LIVED EXPLOSION RESULTING IN A COLUMN
OF ASH.  ONLY STEAM WAS OBSERVED AT THE SUMMIT AT 1614 UTC.
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TRAJECTORY: MEXICO CITY INDICATED A SLOW MOVEMENT TOWARD THE EAST.
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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 SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED WITHIN THE HOUR.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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