FVXX21 KWBC 031700
VOLCANIC ASH ADVISORY STATEMENT  
ISSUED 1700 UTC 03 FEB 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-139         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...MULTISPECTRAL AND INFRARED
IMAGERY... WIND FORECAST FROM THE 00 UTC AVIATION MODEL...00 UTC
REPORT FROM THE GEOPHYSICAL INSTITUTE IN QUITO
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ERUPTION DETAILS: INTERMITTENT ERUPTIONS.
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DETAILS OF ASH: GOES-8 SATELLITE IMAGERY AT 1515 UTC SHOWED AN ASH
PLUME EXTENDING TO 0129S7837W ROUGHLY 18KM (10NMI) WEST OF THE
SUMMIT. THE PLUME ESTIMATED BETWEEN FL180 AND FL220 WAS 7KM (4NMI)
WIDE.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN FL180
AND FL220 WOULD MOVE TOWARD THE WEST AT ABOUT 15 TO 20 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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NEXT MESSAGE WILL BE ISSUED BY 03/2300 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS 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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BROWN/CLARK
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NNNN
"Attached Graphic Map Depicting Ash" 

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