FVXX21 KWBC 272300
VOLCANIC ASH ADVISORY  
ISSUED 2300 UTC 27 JUN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-753         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. THE GEOPHYSICAL INSTITUTE IN QUITO. 
WINDS FORECAST FROM THE AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.  
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DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE REPORTED A MODERATE
EXPLOSION OF THE VOLCANO AT 27/2216 UTC EMITTING GASES AND A
SMALL AMOUNT OF ASH. SATELLITE IMAGERY THROUGH 27/2245 UTC
SHOWS SCATTERED CLOUDS OVER THE SUMMIT MAKING ASH DETECTION
DIFFICULT AT THIS TIME. THE GEOPHYSICAL INSTITUTE ESTIMATED
THE ASH TO FL270 MOVING WEST. 
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TRAJECTORY: ANY ASH THAT MAY EXIST FROM THE SUMMIT TO FL270
WILL MOVE TO THE WEST AT 10 TO 20 KNOTS. 
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 28/0500 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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