FVXX21 KWBC 061430
VOLCANIC ASH ADVISORY 
ISSUED 1430 UTC 06 JUN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-663        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.  SIX HOUR WIND FORECAST FROM THE
06/0600 UTC AVIATION MODEL.  GUAYAQUIL METEOROLOGICAL WATCH
OFFICE.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.   
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DETAILS OF ASH:.  SATELLITE IMAGERY THROUGH 1345 UTC SHOWS A
THIN PLUME OF ASH MOVING TO THE WEST OF THE VOLCANO.  THERE
ARE CLOUDS IN THE VICINITY THAT MAY BE MASKING THE EXTENT OF
THE ASH PLUME.  THE VISIBLE PART EXTENDS APPROXIMATELY 76 KM
(41 NMI) FROM THE SUMMIT TO 121S 7905W. THE AREA OF ASH IS
ROUGHLY BOUNDED BY POINTS 128S 7826W TO 115S 7849W TO 115S
7901W TO 121S 7905W TO 126S 7905W TO 129S 7859W AND 125S
7950W.  A LARGE HOT SPOT WAS NOTED IN IMAGERY AT 1315 UTC. 
THE GEOPHYSICAL INSTITUTE PLACES THE HEIGHT OF THE ASH PLUME
AT FL250.
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TRAJECTORY: 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 06/2030 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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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"