FVXX21 WBC 171514
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1518 UTC 17 May 1999 BY THE WASHINGTON VAAC
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COLIMA 99-029   MEXICO 19.51N 103.62W  
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BACKGROUND:    COLIMA MEXICO (1401-04)
               SUMMIT HEIGHT 13,451FT (4100M)
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SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY...1200 UTC QUADALAJARA SOUNDING.
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ERUPTION DETAILS: ERUPTION AROUND 17/1400 UTC.
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DETAILS OF ASH CLOUD: A MINOR ERUPTION HAS OCCURRED AT COLIMA. AN
ASH CLOUD CAN BE SEEN ON GOES-8 VISIBLE AND MULTISPECTRAL IMAGERY
MOVING TO THE SOUTHWEST OF THE SUMMIT. THE ASH IS ESTIMATED TO BE UP
TO FL160 AND CURRENTLY EXTENDS 10KM (5NMI) FROM 19:29N 103:45W TO
19:23N 103:48W AND AT A WIDTH OF 6KM (3NMI).
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TRAJECTORY: ASH IS MOVING SOUTHWEST AT 15 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 SIGMETS.
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THE NEXT MESSAGE WILL BE SENT AT 2130 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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