FVXX20 KWBC 181615
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1615 UTC 18 May 1999 BY THE WASHINGTON VAAC 
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POPOCATEPETL 99-067 MEXICO 19.0N 98.6W 
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BACKGROUND:    POPOCATEPETL MEXICO (1401-09)
               SUMMIT HEIGHT 17930 FT (5465 M)
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...THIS IS NOT A TEST...
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SOURCES OF INFORMATION: MEXICO CITY METEOROLOGICAL WATCH
OFFICE...GOES-8 VISIBLE AND MULTISPECTRAL IMAGERY...CENAPRED
HOMEPAGE 
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ERUPTION DETAILS: EXHALATION AT 18/1530 UTC
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DETAILS OF ASH CLOUD: THE MEXICO CITY WATCH OFFICE REPORTS AN
EXHALATION WITH POSSIBLE ASH TO FL200.  THE ERUPTION IS NOT
DETECTABLE IN SATELLITE IMAGERY THRU 18/1600 UTC. WE WILL CONTINUE
TO MONITOR.
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TRAJECTORY: ASH AT ABOUT FL200 WILL MOVE SOUTH AT 15 TO 20KTS.
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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 MESSAGE WILL BE ISSUED AT 18/2215 UTC.
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THIS IS NOT A TEST......
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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