FVXX21 KWBC 161730
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1730 UTC 16 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-128         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. AVIATION MODEL UPPER-AIR DATA AND UPPER AIR WIND DATA FROM
INSTITUTO GEOFISICO. 
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ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS
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DETAILS OF ASH: GOES-8 SATELLITE IMAGERY THROUGH 1615 UTC SHOWS A
LARGE PLUME OF ASH EMANATING FROM TUNGURAHUA. THE PLUME EXTENDING
187KM (101NMI) FROM THE SUMMIT IS BOUNDED BY -1.5S 78.4W  -.6S 78.5W 
-.4S 79.7W AND -1.1S 79.5W119. ASH ESTIMATED TO FL300 IS MOVING
TOWARD THE NORTHWEST.
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TRAJECTORY: ASH IS MOVING TOWARD THE NORTHWEST AT 10 TO 15 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 16/2330 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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BROWN
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"