FVXX21 KWBC 081030 
VOLCANIC ASH ADVISORY  
ISSUED 1030 UTC 08 JUN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-671        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.  12 HOUR WIND FORECAST FROM THE 08/1200 UTC AVIATION
MODEL. GEOPHYSICAL INSTITUTE REPORT.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 08/0945 UTC SHOWS
HIGH CLOUDS OVER THE AREA IMPEDING THE DETECTION OF ANY ASH.
ASH WAS LAST DETECTED ON SATELLITE IMAGERY AT 08/0115 UTC AND
WAS ESTIMATED AT FL280.  HOWEVER THE GEOPHYSICAL INSTITUTE
REPORTED THAT A MODERATE EXPLOSION OCCURRED AT 08/0411 UTC AND
PRODUCED ASH NEAR THE SUMMIT AT FL170.  THERE HAVE BEEN NO
EXPLOSIONS OF THE VOLCANO SINCE THAT TIME. 
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TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL170 WILL MOVE
TOWARDS THE WEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 08/1630 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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CLARK
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