FVXX20 KWBC 152040
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 2040 UTC 15 APR 1999 BY THE WASHINGTON VAAC
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POPOCATEPETL 99-063    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...
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ERUPTION DETAILS: INITIAL ERUPTION AT 15/1557 UTC.
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DETAILS OF ASH CLOUD: NO ASH CLOUD IS DISCERNABLE ON VISIBLE
INFRARED OR MULTISPECTRAL IMAGERY THROUGH 2015 UTC. MEXICO CITY MWO
REPORTS ASH BETWEEN FL180 AND FL260.
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TRAJECTORY: ENE AT 10 KTS.  WE WILL UPDATE THIS VAAS SHORTLY AS MORE
INFORMATION COMES AVAILABLE.
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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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NEXT MESSAGE WILL BE ISSUED BY 15/2200.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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