FVXX21 KWBC 080930
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VOLCANIC ASH ADVISORY
ISSUED 0930 UTC 08 NOV 1999 BY THE WASHINGTON VAAC
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TUNGURAHUA 99-089 ECUADOR 1.47S 78.44W
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BACKGROUND: TUNGURAHUA ECUADOR (1502-08)
SUMMIT HEIGHT 16480 FT (5023 M)
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SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY
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ERUPTION DETAILS: THE INSTITUTO GEOFISICO REPORTS A NEARLY
CONTINUOUS EMISSION OF STEAM AND ASH NEAR THE SUMMIT AND STRONG
SEISMIC ACTIVITY.
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DETAILS OF ASH: INFRARED AND MULTISPECTRAL IMAGERY INDICATED THAT
AN ERUPTION OF TUNGURAHUA OCCURRED AROUND 0830 UTC. A 10 KM (5 NMI)
WIDE PLUME EXTENDED FROM THE SUMMIT TO A POINT 30 KM EAST OF THE
SUMMIT NEAR 1.5S78.2W AT 0845 UTC. THE HEIGHT OF THE PLUME WAS
ESTIMATED AT FL300.
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TRAJECTORY: TOWARDS THE EAST BETWEEN 10 AND 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
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED AROUND 08/1530 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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TURK
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NNNN
"Attached Graphic Map Depicting Ash"
""