FVXX22 KWBC 131930
VOLCANIC ASH ADVISORY
ISSUED 1930 UTC 13 OCT 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1134        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 AND INFRARED AND
MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE AT QUITO. UPPER
WIND DATA FROM THE AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS.
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DETAILS OF ASH CLOUD: THE LAST REPORT OF VOLCANIC ASH BY THE
GEOPHYSICAL INSTITUTE WAS AT 13/1825 UTC HEIGHT UNKNOWN.  THE
INSTITUTE REPORTED ASH ABOVE FL220 AT 13/1056 UTC.  SATELLITE
IMAGERY THROUGH 13/1915 UTC SHOWS LOW AND MID LEVEL CLOUDS
OVER THE REGION MAKING IT DIFFICULT TO DETECT ANY ASH AT THIS
TIME. THE VOLCANO REMAINS UNSTABLE AND MAY ERUPT AT ANY TIME.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH UP TO FL220 TO
MOVE TOWARDS THE WEST AT 10 TO 15 KTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED AT 14/0200 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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