FVXX21 KWBC 292200
VOLCANIC ASH ADVISORY
ISSUED 2200 UTC 29 JUL 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-887         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. SIGMET FROM GUAYAQUIL METEOROLOGICAL
WATCH OFFICE.  TWELVE HOUR WIND FORECAST FROM THE AVIATION
MODEL. 
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ERUPTION DETAILS: EMISSIONS OF ASH AND STEAM.
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DETAILS OF ASH: NO ASH IS CURRENTLY VISIBLE IN SATELLITE
IMAGERY THROUGH 29/2045 UTC.  A THICK DECK OF CLOUDS SURROUNDS
THE VOLCANO MAKING ASH DETECTION DIFFICULT.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ASH BETWEEN THE
SUMMIT AND FL250 WILL MOVE TOWARD THE WEST AT 15 TO 25 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 30/0400 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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