FVXX21 KWBC 141500
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1500 UTC 14 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-117         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 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY...WIND DATA FROM THE INSTITUTO GEOFISCIO IN QUITO.
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ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS
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DETAILS OF ASH: GOES 8 MULTISPECTRAL IMAGERY THROUGH 1415 UTC SHOWS
A PLUME OF ASH EXTENDING TO THE NORTHWEST OF THE VOLCANO SUMMIT. THE
ASH IS BOUNDED BY POINTS 1.5S 78.4W TO 1.2S 79.3W TO 0.2S 79.3W TO
0.2S 78.7W TO 1.5S 78.4W. THE TOTAL ASH PLUME EXTENDS APPROXIMATELY
177 KM (95 NMI) FROM THE SUMMIT AND IS 50 KM (27 NMI) WIDE AT THE
WIDEST POINT.  WITHIN THIS AREA IS A NARROW BAND OF THICKER ASH WITH
THE LEADING EDGE AT 0.8S 79.0W. WIND INFORMATION PLACES THE HEIGHT
OF THE ASH PLUME AT ABOUT FL250.
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TRAJECTORY: ASH UP TO FL250 WOULD MOVE WEST TO NORTHWEST AT 15-20
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 AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 14/2100 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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KARST
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NNNN
"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"