FVXX21 KWBC 281320
VOLCANIC ASH ADVISORY
ISSUED 1315 UTC 28 JUL 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-881         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. THE GEOPHYSICAL INSTITUTE IN QUITO.
WIND FORECAST FROM THE AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM.
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DETAILS OF ASH: EXTENSIVE CLOUDINESS SEEN IN SATELLITE IMAGERY
THROUGH 1245 UTC PRECLUDED THE DETECTION OF ASH.  NO FURTHER
INDICATION OF ASH PRODUCTION HAS BEEN RECEIVED SINCE A 27/1235
UTC GEOPHYSICAL INSTITUTE REPORT OF VOLCANIC ASH TO FL280. 
THE GEOPHYSICAL INSTITUTE REPORTED IN YESTERDAYS DAILY REPORT
THAT THE VOLCANO REMAINS SEISMICALLY ACTIVE. 

TRAJECTORY: ANY ASH THAT MAY EXIST NEAR THE SUMMIT LEVEL 
WOULD MOVE TOWARDS THE WEST-SOUTHWEST AT 20-25 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 28/1900 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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TURK
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