FVXX20 KWBC 212150
VOLCANIC ASH ADVISORY 
ISSUED 2150 UTC 21 OCT 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1166        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.  6 HOUR WIND
FORECAST FROM AVIATION MODEL
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ERUPTION DETAILS: ERUPTION AROUND 21/2043 UTC. 
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DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTS A
SEISMIC SIGNAL CONSISTENT WITH AN ASH EMMISSION HOWEVER THEY
COULD NOT VISUALLY CONFIRM AN ASH PLUME DUE TO CLOUDS OVER THE
SUMMIT. MULTISPECTRAL SATELLITE IMAGERY DOES SUGGEST A BRIEF
PUFF WITH ASH BETWEEN THE SUMMIT AND FL200.
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TRAJECTORY: ASH BETWEEN THE SUMMIT AND FL200 WILL MOVE TO THE
WEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 22/0400 UTC.
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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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RUMINSKI
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