FVXX21 KWBC 170600
VOLCANIC ASH ADVISORY
ISSUED 0600 UTC 17 JUL 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-832         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 INFRARED AND MULTISPECTRAL
IMAGERY.  GEOPHYSICAL INSTITUTE REPORT.  WIND FORECAST FROM
THE AVIATION MODEL.
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ERUPTION DETAILS: GASES WITH OCCASIONAL ASH EMISSIONS.  
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DETAILS OF ASH: SATELLITE IMAGERY AT 16/0545 UTC SHOWS NO ASH
ALTHOUGH THERE ARE SOME CLOUDS PRESENT.  THE LAST GEOPHYSICAL
INSTITUTE REPORT AT 16/1659 UTC INDICATED ASH TO FL280 MOVING
WEST.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL280 WOULD MOVE WEST
AT ABOUT 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 17/1200 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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