FVXX21 KWBC 111630
VOLCANIC ASH ADVISORY  
ISSUED 1630 UTC 11 JUN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-684      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. WIND FORECAST FROM THE AVIATION MODEL. 
GEOPHYSICAL INSTITUTE REPORT.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.  
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DETAILS OF ASH: NO ASH CAN BE SEEN IN SATELLITE IMAGERY
THROUGH 11/1615 UTC DUE TO BROKEN MID LEVEL WEATHER CLOUDS
COVERING THE AREA.  AT 11/1442 UTC A PLUME WAS NOTED FROM THE
VOLCANO TO FL260 MOVING SOUTHWEST.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN
THE SUMMIT AND FL260 WOULD MOVE WEST AROUND 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 11/2230 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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