FVXX22 WBC 161843
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1843 UTC 16 May 1999 BY THE WASHINGTON VAAC
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POPOCATEPETL 99-066   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 METEOROLOGICAL WATCH
OFFICE...CENAPRED...PIREP...GOES-8 VISIBLE AND INFRARED IMAGERY.
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ERUPTION DETAILS: LAST ERUPTION AT 16/1226 UTC.
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DETAILS OF ASH CLOUD: ANY ASH FROM THE MORNING ERUPTION IS NOT
DISCERNIBLE IN THE LATEST VISIBLE IMAGERY AT 1815 UTC. 
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TRAJECTORY: UPPER AIR DATA SUGGEST THAT ASH FROM FL180 TO FL210
WOULD MOVE TOWARD THE SOUTHWEST AT LESS THAN 20 KTS. 
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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 AND VAFTAD.
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THIS IS THE LAST MESSAGE FOR THIS EVENT.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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