FVXX21 KWBC 310952
VOLCANIC ASH ADVISORY
ISSUED 0952 UTC 31 JUL 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-893         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...WIND FORECAST FROM THE
AVIATION MODEL. 
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ERUPTION DETAILS: EMISSIONS OF ASH AND STEAM.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 0915 UTC SHOWED
BROKEN CLOUDS IN THE VICINITY OF THE SUMMIT WITH NO INDICATION
OF ASH.  THE GEOPHYSICAL INSTITUTE REPORTED THAT VOLCANIC ASH
WAS LIKELY OVER THE VOLCANO AROUND 0042 UTC.  NO HEIGHT LEVEL
WAS SUGGESTED. 
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TRAJECTORY: ANY ASH THAT MIGHT EXIST NEAR THE SUMMIT LEVEL
WOULD MOVE TOWARD THE WEST AT 10 TO 20 KNOTS. 
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 31/1600 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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