FVXX21 KWBC 291430 CCA
VOLCANIC ASH ADVISORY - CORRECTION
ISSUED 1430 UTC 29 SEP 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-1113        ECUADOR 0128S 7826W 
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CORRECTED FOR TIME OF NEXT MESSAGE
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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 INFRARED AND
MULTISPECTRAL IMAGERY. THE GEOPHYSICAL INSTITUTE IN QUITO. 
WIND FORECAST FROM THE AVIATION MODEL.
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ERUPTION DETAILS: EMISSION OF ASH AND STEAM AT 29/1332 UTC
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DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE IN QUITO REPORTS
VOLCANIC ASH OVER THE VOLCANO TO FL330. SATELLITE IMAGERY
THROUGH 1345 UTC SHOWS AN AREA OF ASH TO THE WEST OF THE
VOLCANO WITH THE LEADING EDGE AT 0124S 7836W WHICH IS 18 KM
(10 NMI) FROM THE VOLCANO AND THE PLUME IS 7 KM (4 NMI) WIDE.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ASH TO FL330 WOULD
MOVE TO THE WEST AT 15 TO 20 KTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE AT 29/2030 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/BROWN
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NNNN"Attached Graphic Map Depicting Ash" 

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