FVXX21 KWBC 111900
VOLCANIC ASH ADVISORY
ISSUED 1900 UTC 11 SEP 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1065        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. WIND FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL
INSTITUTE IN QUITO.
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ERUPTION DETAILS: STEAM AND ASH EMISSIONS.
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DETAILS OF ASH: VISIBLE AND MULTISPECTRAL SATELLITE IMAGERY
THROUGH 11/1815 UTC SHOWS AN ASH EMISSION OF THE VOLCANO. THE
PLUME IS ESTIMATED AT FL200. THE GEOPHYSICAL INSTITUTE
REPORTED VOLCANIC ASH OVER THE VOLCANO TO FL200 AT 11/1709 UTC
MOVING WEST.  THE LEADING EDGE OF THE ASH IS AT 0121S 7847W.
THE PLUME IS 30 KM (16 NMI) LONG AND 12 KM (6 NMI) WIDE.
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TRAJECTORY: ACCORDING TO THE UPPER AIR FORECASTS FROM THE
AVIATION MODEL ANY ASH TO FL200 WOULD MOVE TOWARDS THE WEST AT
15 TO 25 KTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 12/0200 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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NNNN"Attached Graphic Map Depicting Ash" 

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