FVXX22 KWBC 171845
VOLCANIC ASH ADVISORY
ISSUED 1845 UTC 17 OCT 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1150        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. GEOPHYSICAL INSTITUTE IN QUITO. SIX
HOUR WIND FORECAST FROM THE 17/1200 UTC AVIATION MODEL
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ERUPTION DETAILS: MEDIUM ERUPTION AT 17/1708 UTC. 
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DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE HAS INDICATED
THAT AN MEDIUM SIZED ERUPTION HAS OCCURRED PRODUCING ASH TO
FL320.  SATELLITE IMAGERY THROUGH 1745 UTC DOES NOT SHOW AN
ASH PLUME. THE SUMMIT IS OBSCURED BY CLOUDS.  A HOT SPOT WAS
VISIBLE IN IMAGERY AT 1715 UTC. 

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TRAJECTORY: ASH UP TO FL320 WOULD MOVE NORTHWEST AT ABOUT 10-15 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED AROUND 18/0100 UTC.

REAL TIME SATELLITE IMAGERY AND 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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