FVXX21 KWBC 090145
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0145 UTC 09 MAR 1999 BY THE WASHINGTON VAAC
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POPOCATEPETL 99-014   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 SATELLITE IMAGERY THROUGH 0110 UTC. 
1200 UTC UPPER AIR DATA FROM MEXICO CITY
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ERUPTION DETAILS: NEW ERUPTION AT  08/2320Z
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DETAILS OF ASH CLOUD: GOES IMAGERY AT 09/0110 SHOWS A NARROW PLUME
NOW EXTENDING FROM SOUTHEAST OF THE  VOLCANO TO 18.4N 97.9W TO 18.6N
97.4W. THE LEADING EDGE OF THE PLUME IS 75 NMI FROM THE SUMMIT.  THE
1200 UTC MEXICO CITY RAOB PLACED THE ASH AT ABOUT FL280.  THE MEXICO
CITY MWO REPORTED A BRIEF ERUPTION TO FL240.  ASH WAS MOVING TOWARD
THE SOUTHEAST AT 25-30KT. 
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TRAJECTORY: ASH IS MOVING TO THE SOUTHEAST AT ABOUT 25-30 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 SENT AROUND 09/0800 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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NNNN
"Attached Graphic Map Depicting Ash" 

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