FVXX21 KWBC 182205
VOLCANIC ASH ADVISORY
ISSUED 2205 UTC 18 JUL 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-840         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. WINDS FORECAST FROM THE AVIATION MODEL.
GEOPHYSICAL INSTITUTE REPORT.
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ERUPTION DETAILS: GASES WITH OCCASIONAL ASH EMISSIONS.  
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DETAILS OF ASH: ASH WAS REPORTED OVER THE VOLCANO BY THE
GEOPHYSICAL INSTITUTE AT 18/2040 UTC AND WAS ESTIMATED AT
FL270. SATELLITE IMAGERY AT 18/2045 UTC SHOWED A PLUME FROM
THE SUMMIT TO THE NORTH-NORTHEAST.  IN IMAGERY AT 18/2115 UTC
THE PLUME MOVED WESTWARD AND EXTENDED ROUGHLY 13 KM (7 NMI) TO
THE NORTHWEST FROM THE SUMMIT.  THE PLUME IS ABOUT 16 KM (9
NMI) WIDE.    
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TRAJECTORY: CURRENT MODEL DATA INDICATE LIGHT AND VARIABLE
WINDS FROM THE SUMMIT LEVEL TO FL270. 
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 19/0400 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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CLARK
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"