FVXX21 KWBC 212000
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2000 UTC 21 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-149         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... THE GEOFISICO INSTITUTO...21/0000 UTC AVIATION MODEL
UPPER AIR WIND DATA.
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ERUPTION DETAILS: CONTINUOUS STEAM AND ASH EMISSIONS AS REPORTED BY
THE GEOFISICO INSTITUTO.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 21/1915 UTC SHOWED
EXTENSIVE MULTILAYERED CLOUDS SHROUDING THE AREA AROUND THE VOLCANO
MAKING DETECTION OF ASH IMPOSSIBLE.  HOWEVER OVER THE LAST THREE
HOURS METAR REPORTS FROM SELT HAVE INDICATED VOLCANIC ASH OVER
TUNGURAHUA MOVING TO THE NORTHEAST.  THE HEIGHT OF THE ASH IS
ESTIMATED TO BE BETWEEN FL240 AND FL300.
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TRAJECTORY: TOWARD THE NORTHEAST AT APPROXIMATELY 10 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 22/0200 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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TURK/SAB/NOAA/NESDIS
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