FVXX21 KWBC 230700
VOLCANIC ASH ADVISORY
ISSUED 0700 UTC 23 OCT 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1174        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. THE METEOROLOGICAL WATCH OFFICE IN GUAYAQUIL. THE
GEOPHYSICAL INSTITUTE. 6 HOUR UPPER AIR WIND FORECAST FROM THE
AVIATION MODEL.
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ERUPTION DETAILS: THE GEOPHYSICAL INSTITUTE REPORTS AN
ERUPTION AT 22/2325 UTC. 
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DETAILS OF ASH CLOUD: ASH FROM THE ERUPTION AT 2325 UTC HAS
DISSIPATED. THE PLUME WAS ESTIMATED AT FL230 BASED ON
OBSERVATIONS FROM THE GEOPHYSICAL INSTITUTE. THE VOLCANO
REMAINS UNSTABLE AND AN ERUPTION MAY OCCUR AT ANY TIME.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THE ASH FROM THE SUMMIT
TO FL230 WILL MOVE TO THE EAST AT 10 TO 15 KTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 23/1300 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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KARST
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