FVXX21 KWBC 201610
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1610 UTC 20 May 1999 BY THE WASHINGTON VAAC 
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COLIMA 99-032   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 VISIBLE AND MULTISPECTRAL IMAGERY...
12 UTC UPPER-AIR SOUNDING FROM MANZANILLO.
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ERUPTION DETAILS: ERUPTION AROUND 20/1415 UTC.
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DETAILS OF ASH CLOUD: A MINOR ERUPTION OF COLIMA HAS OCCURRED. GOES-8 VISIBLE IMAGE AT 1515 UTC SHOWS AN ASH CLOUD CENTERED AT 19.4N AND
103.7W. ASH EXTENDS 5 KM (3 NMI) NORTH AND SOUTH AND 3 KM (2 NMI)
WEST AND EAST OF THIS POINT. THE ASH EXTENDS UP TO FL200 AND CAN BE
SEEN MOVING TO THE SOUTHWEST. THE LATEST IMAGE SUGGESTS THAT IT IS
ALREADY BEGINNING TO THIN OUT.
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TRAJECTORY: SOUTHWEST AT 10 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 AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED AT 20/2200 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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