FVXX21 KWBC 171900
VOLCANIC ASH ADVISORY
ISSUED 1900 UTC 17 JUL 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-835         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.  GEOPHYSICAL INSTITUTE REPORT.
6 HOUR WIND FORECAST FROM THE 17/1200 UTC AVIATION MODEL.
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ERUPTION DETAILS: GASES WITH OCCASIONAL ASH EMISSIONS.  
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DETAILS OF ASH: A SMALL ASH PLUME WAS VISIBLE ON THE SATELLITE
IMAGERY AT 17/1815 UTC EXTENDING TOWARDS THE NORTHEAST. THE IS 
17KM (9NMI) IN LENGTH AND 8KM (4NMI) WIDE AND EXTENDS TO THE
POINT: 0121S 7821W.  BASED ON A PILOT REPORT AT 17/1800 UTC
THE ASH IS BELIEVED TO BE AT FL330.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL330 WILL MOVE
NORTHEAST AT 10 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 18/0100 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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WALTER
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"