FVXX21 KWBC 092220
VOLCANIC ASH ADVISORY  
ISSUED 2220 UTC 09 JUN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-677        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. 
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.  
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DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE REPORTS THAT THE
VOLCANO HAS OCCASIONAL GAS AND ASH EMISSIONS TO AN ALTITUDE
BETWEEN FL250 AND FL300. EXTENSIVE CLOUDINESS AROUND THE
VOLCANO IS MAKING SATELLITE DETECTION OF ANY POSSIBLE ASH
DIFFICULT.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT IF THERE IS ANY
ASH BETWEEN THE SUMMIT AND FL300 IT WOULD MOVE TOWARDS THE
WEST AT ABOUT 15 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 10/0430 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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RUMINSKI
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