FVXX22 KWBC 130420
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0420 UTC 13 JAN 2000 BY THE WASHINGTON VAAC 
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POPOCATEPETL 00-001         MEXICO 1901N 9837W 
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BACKGROUND:    POPOCATEPETL MEXICO (1401-04)
               SUMMIT HEIGHT 17930 FT (5465 M)
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SOURCES OF INFORMATION: GOES 8 INFRARED AND MULTISPECTRAL IMAGERY...
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ERUPTION DETAILS: ERUPTION TIME APPROXIMATELY AT 13/0330 UTC.
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DETAILS OF ASH CLOUD: GOES-8 SATELLITE IMAGERY THROUGH 13/0410 UTC
INDICATES THAT A RATHER MAJOR VOLCANIC ERUPTION HAS OCCURRED IN THE
LAST HOUR AT POPOCATEPETL. INFRARED AND MULTISPECTRAL IMAGERY
STRONGLY SUGGEST AN EXPLOSION WITH A STRONG RELEASE OF ASH. ASH IS
SEEN MOVING TO THE NORTH AND NORTHEAST. THE HEIGHT OF THE ASH IS
CURRENTLY UNKNOWN BUT SATELLITE IMAGERY WOULD IMPLY AT LEAST FL300.
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THERE HAVE BEEN NO OTHER REPORTS OF ASH OR ERUPTIONS TO THIS POINT.
AS MORE INFORMATION IS GATHERED THE DETAILS WILL BE MADE CLEARER.

TRAJECTORY: NORTH TO NORTHEAST AT 10 TO 20 KNOTS.
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REAL TIME SATELLITE IMAGERY ALONG WITH 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/washington.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE LATEST SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED AS SOON AS MORE INFORMATION IS
AVAILABLE.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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ORRISON
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