FVXX21 KWBC 230800
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0800 UTC 23 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-155         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.
THE GEOFISICO INSTITUTO.  23/0000 UTC AVIATION MODEL UPPER-AIR
SOUNDING DATA.
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ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS...AND OCCASIONAL
EXPLOSIONS AS REPORTED BY THE GEOFISICO INSTITUTO.
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DETAILS OF ASH: THE LATEST GOES-8 SATELLITE DATA THROUGH 23/0715 UTC
SHOWS EXTENSIVE MULTI-LAYERED CLOUDS SHROUDING THE AREA AROUND THE
VOLCANO THUS MAKING DETECTION OF ASH IMPOSSIBLE.
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TRAJECTORY: ANY ASH AT FL350 WOULD MOVE TOWARD THE SOUTHWEST 
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 23/1400 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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WALTER/SAB/NOAA/NESDIS
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