FVXX21 KWBC 230100
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VOLCANIC ASH ADVISORY STATEMENT - CORRECTED FOR PROPER GRAPHIC
ISSUED 0100 UTC 23 MAR 1999 BY THE WASHINGTON VAAC
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POPOCATEPETL 99-049    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: GOES-8 MULTISPECTRAL IMAGERY. 1200 UTC
MEXICO CITY UPPER-AIR DATA.
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ERUPTION DETAILS: ERUPTED AT APPROXIMATELY 22/1740 UTC
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DETAILS OF ASH CLOUD: THE ASH CLOUD FROM THIS AFTERNOONS ERUPTION IS
NOW OUT OVER THE GULF OF MEXICO. AT 22/2345 UTC THE CLOUD WAS
ROUGHLY 100 KM (54 NMI) WIDE BETWEEN POINTS 23.3N 90.6W AND 20.7N
92.7W. THE EASTERN TIP OF THE CLOUD WAS AROUND 960 KM (518 NMI) EAST
NORTHEAST (62 DEGREES) FROM THE VOLCANO. THE CLOUD HEIGHT CONTINUES
TO BE ESTIMATED BETWEEN FL430 AND FL370. THE LEADING TIP OF THE ASH
CLOUD IS SLIGHTLY MORE DENSE THAN THE TRAILING PORTION OF THE CLOUD. 
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TRAJECTORY: THE ASH IS MOVING TO THE NORTHEAST TO EAST NORTHEAST
AROUND 80 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 VAFTAD AND SIGMETS.
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THE NEXT MESSAGE WILL BE AT 23/0730 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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NNNN
"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"