FVXX21 KWBC 301000
VOLCANIC ASH ADVISORY
ISSUED 1000 UTC 30 JUN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-763         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.  WINDS FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL
INSTITUTE.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.  
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 30/0915 UTC SHOWS
EXTENSIVE LOW AND MID LEVEL CLOUDINESS AROUND THE VOLCANO
MAKING ANY DETECTION OF ASH DIFFICULT. THE VOLCANO REMAINS
UNSTABLE AND AN ERUPTION MAY OCCUR AT ANYTIME.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL200 WOULD MOVE
TOWARDS THE WEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 30/1600 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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KARST
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