FVXX22 KWBC 042130
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2130 UTC 04 NOV 1999 BY THE WASHINGTON VAAC
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COLIMA 99-057 MEXICO 19.51N 103.62W
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BACKGROUND: COLIMA MEXICO (1401-04)
SUMMIT HEIGHT 13451 FT (4100 M)
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SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL
IMAGERY. MEXICO CITY METEOROLOGICAL WATCH OFFICE REPORT.
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ERUPTION DETAILS: INITIAL ERUPTION OCCURRED AT 04/1505 UTC.
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DETAILS OF ASH CLOUD: THE LATEST GOES-8 SATELLITE IMAGERY THROUGH
2045 UTC SHOWS A WELL DEFINED ASH PLUME..PROBABLY FROM A NEW
ERUPTION..EXTENDING TO THE SOUTHWEST AWAY FROM THE SUMMIT. THE ASH
PLUME IS 23KM IN LENGTH..5KM WIDE AND EXTENDS TO THE POINT 19.4N
103.8W. CURRENT UPPER AIR DATA SUGGEST THIS PLUME IS AT FL190.
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TRAJECTORY: UPPER AIR DATA SUGGEST ASH AT FL190 WOULD MOVE TOWARD
THE SOUTHWEST AT 10KT.
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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
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OUTLOOK: SEE VAFTAD AND SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED AROUND 05/0330 UTC
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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WALTER/SAB/NOAA/NESDIS
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NNNN"Attached Graphic Map Depicting Ash"
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