FVXX21 KWBC 161800
VOLCANIC ASH ADVISORY
ISSUED 1800 UTC 16 JUL 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-830         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 REPORT.  WIND
FORECAST FROM THE AVIATION MODEL.
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ERUPTION DETAILS: GASES WITH OCCASIONAL ASH EMISSIONS.  
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DETAILS OF ASH: SATELLITE IMAGERY AT 16/1715 UTC SHOWS ASH TO
THE NORTHWEST OF THE VOLCANO. THE GEOPHYSICAL INSTITUTE
REPORTED ASH TO FL280 AT 16/1659 UTC MOVING WEST. THE LEADING
EDGE OF THIS ASH WAS AT 0124S 7836W.
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TRAJECTORY: ACCORDING TO WIND FORECASTS FROM THE AVIATION
MODEL ASH FROM THE SUMMIT TO FL280 WILL MOVE TOWARDS THE
WESTNORTHWEST AT 20 TO 25 KTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 17/0000 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER 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/TURK
NNNN"Attached Graphic Map Depicting Ash" 

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