FVXX21 KWBC 031100
VOLCANIC ASH ADVISORY STATEMENT  
ISSUED 1050 UTC 03 FEB 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-138         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 MULTISPECTRAL AND INFRARED
IMAGERY... WIND FORECAST FROM THE 00 UTC AVIATION MODEL...FEBRUARY 2
REPORT FROM THE GEOPHYSICAL INSTITUTE IN QUITO
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ERUPTION DETAILS: INTERMITTENT ERUPTIONS.
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DETAILS OF ASH: NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 1015
UTC DUE TO THE EXTENSIVE WEATHER CLOUDS COVERING THE AREA.  BEFORE
NIGHTFALL ABOUT 12 HOURS AGO AN ASH PLUME AT ABOUT FL190 WAS SEEN IN
VISIBLE SATELLITE IMAGERY.  THIS ASH EXTENDED FROM THE SUMMIT TOWARD
THE WEST.  
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN THE
SUMMIT AND FL200 WILL MOVE TOWARD THE WEST AT ABOUT 25 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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NEXT MESSAGE WILL BE ISSUED BY 03/1700 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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