FVXX21 KWBC 210100
VOLCANIC ASH ADVISORY  
ISSUED 0100 UTC 21 JUN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-722         ECUADOR 0128S 7826W 
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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. WIND FORECAST FROM AVIATION MODEL. 
GEOPHYSICAL INSTITUTE REPORT.
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ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND OCCASIONAL ASH
EMISSIONS.  
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DETAILS OF ASH: VISIBLE SATELLITE IMAGERY THROUGH 20/2245 UTC
SHOWED A VERY FAINT PLUME EXTENDING A SHORT DISTANCE WEST FROM
THE VOLCANO THAT WAS CONFIRMED TO BE MOSTLY GASES WITH LIGHT
ASH NEAR THE SUMMIT TO AROUND FL220.  NO ASH IS CURRENTLY
DETECTABLE IN IMAGERY. 
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TRAJECTORY: ASH FROM THE SUMMIT TO FL220 WILL MOVE TOWARD THE
WEST AROUND 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 21/0700 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORIES 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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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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