FVXX21 KWBC 121730
VOLCANIC ASH ADVISORY
ISSUED 1730 UTC 12 SEP 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1069        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: VISIBLE AND INFRARED AND MULTISPECTRAL
IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL
INSTITUTE IN QUITO.
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ERUPTION DETAILS: OCCASIONAL STEAM AND ASH EMISSIONS.
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DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE REPORTS VOLCANIC ASH
OVER THE VOLCANO TO FL300 AT 12/1045 UTC. SKIES CLEARED OVER
THE VOLCANO THROUGH 12/1645 UTC BUT NO ASH COULD BE DETECTED.
THE VOLCANO REMAINS UNSTABLE AND MAY ERUPT AT ANY TIME.
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TRAJECTORY: ANY ASH FROM SUMMIT LEVEL TO FL300 WOULD MOVE
TOWARDS THE WEST AT 20 TO 25 KTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 12/2330 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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