FVXX21 KWBC 162330
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2330 UTC 16 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-129         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.
AVIATION MODEL UPPER-AIR DATA.
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ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS
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DETAILS OF ASH: ASH SEEN EARLIER TODAY AT 1730 UTC IS NO LONGER
VISIBLE ON THE SATELLITE IMAGERY.
HOWEVER AT 21/2245 UTC GOES-8 IMAGERY SHOWS AN EXTREMELY THIN ASH
PLUME EXTENDING NORTHWEST AWAY FROM THE SUMMIT.  THE PLUME IS 29KM
IN LENGTH 7KM WIDE AND EXTENDS TO THE POINT 1.28S/78.63W.  THIS ASH
PLUME IS ESTIMATED TO BE AT FL300.  
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TRAJECTORY: ASH AT FL300 WOULD MOVE TOWARD THE NORTHWEST AT 10-15KT.
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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 17/0530 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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WALTER/SAB/NOAA/NESDIS
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"