FVXX21 KWBC 010730
VOLCANIC ASH ADVISORY
ISSUED 0730 UTC 01 AUG 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-897         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. 6 HOUR WIND FORECAST FROM THE 01/0000 UTC AVIATION
MODEL.
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ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM.
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DETAILS OF ASH: GOES-8 IMAGERY THROUGH 0645 UTC SHOWS
WIDESPREAD CLOUDINESS OVER THE VOLCANO MAKING IT DIFFICULT TO
DETECT ASH AT THIS TIME. THE VOLCANO REMAINS UNSTABLE AND MAY
ERUPT AT ANY TIME.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT NEAR SUMMIT
LEVEL WOULD MOVE TOWARDS THE SOUTHWEST AT 10 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 01/1330 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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