FVXX21 KWBC 240800
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0800 UTC 24 OCTOBER 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-024       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
...GEOPHYSICAL INSTITUTE. UPPER AIR SOUNDING NEAR THE VOLCANO.  
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ERUPTION DETAILS: CONTINUOUS VENTING OF ASH AND STEAM.
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DETAILS OF ASH: THE LATEST GOES-8 SATELLITE IMAGERY AT 0715 UTC
SHOWS DENSE MULTILAYERED CLOUDS OVER THE VOLCANO MAKING IT DIFFICULT
TO DETECT ANY ASH.  THE GEOPHYSICAL INSTITUTE CONTINUES TO REPORT
THAT SEISMIC ACTIVITY REMAINS HIGH AND IT IS LIKELY THAT THE VOLCANO
WILL CONTINUE TO VENT ASH AND GASES.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL240 WILL MOVE TOWARD THE
WEST BETWEEN 5 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.
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THE NEXT STATEMENT WILL BE ISSUED AROUND 24/1400 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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BROWN
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