FVXX21 KWBC 210230
VOLCANIC ASH ADVISORY
ISSUED 0230 UTC 21 OCT 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1163        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 INFRARED AND MULTISPECTRAL
IMAGERY.  SIX HOUR WIND FORECAST FROM THE 20/1800 UTC AVIATION
MODEL.  THE GEOPHYSICAL INSTITUTE.
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ERUPTION DETAILS: THE GEOPHYSICAL INSTITUTE REPORTED AN ASH
ERUPTION AT 1940 UTC. 
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DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTED ASH
OVER THE VOLCANO TO FL270.  SATELLITE IMAGERY THROUGH 21/0145
UTC CONTINUES TO SHOW NO DISCERNABLE ASH PLUME DUE TO LOW AND
MIDDLE LAYER CLOUDS IN THE VICINITY OF THE SUMMIT.
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TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL270 WILL MOVE
TOWARDS THE WEST OR NORTHWEST AT 10 TO 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED AROUND 21/0830 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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