FVXX21 KWBC 181930
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1930 UTC 18 MAR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-329         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 INFRARED AND
MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL
GEOPHYSICAL INSTITUTE REPORT
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ERUPTION DETAILS:  ALMOST CONTINUOUS EMISSIONS OF GASES AND
OCCASIONAL ASH EMISSIONS.  AN MINOR ASH EMISSION WAS REPORTED
AT ABOUT 18/1800 UTC.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 18/1845 UTC SHOWS
EXTENSIVE CLOUDS OBSCURING ANY ASH.  EARLIER VISIBLE IMAGES
INDICATED A PLUME OF MOSTLY STEAM EXTENDING ABOUT 50 NMI TO
THE SOUTH-SOUTHWEST OF THE VOLCANO.  THE GEOPHYSICAL INSTITUTE
REPORTED A MINOR EMISSION OF ASH AT ABOUT 18/1800 UTC. LOCAL
SURFACE OBSERVATIONS PLACES THE HEIGHT AT FL170.

TRAJECTORY: TOWARD THE SOUTH-SOUTHWEST AT 15-20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 19/0130 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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