FVXX21 KWBC 240800
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0800 UTC 24 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-159         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. 
REPORTS AND WINDS ALOFT INFORMATION FROM THE GEOFISICO INSTITUTO.
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ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS.
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DETAILS OF ASH: DUE TO THICK CLOUDS OVER THE REGION NO ASH DETECTION
IS POSSIBLE AT THIS TIME. BREAKS IN THE CLOUDS HAVE ALLOWED FOR THE
DETECTION OF A HOT SPOT IN MULTISPECTRAL IMAGERY.  THE INSTITUTO
HOWEVER REPORTS THAT THE VOLCANO CONTINUES TO EMIT AN ALMOST
CONSTANT TRANSMISSION OF GAS AND ASH. 
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TRAJECTORY:  UPPER AIR PATTERNS OVER THE COUNTRY ARE LIGHT AND QUITE
VARIABLE AND ANY ASH PRODUCED WILL MOVE IN A DIFFUSE MANOR.
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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 24/1400 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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TURK
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