FVXX21 KWBC 131900
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1900 UTC 13 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-563         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.  6 HOUR WIND FORECAST FROM THE AVIATION
MODEL. GEOPHYSICAL INSTITUTE REPORT.
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ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND OCCASIONAL ASH
EMISSIONS.   
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 13/1815 UTC SHOWS
EXTENSIVE CLOUDS OVER THE AREA SURROUNDING THE SUMMIT MAKING
DETECTION OF ASH DIFFICULT. THE LAST GEOPHYSICAL INSTITUTE
REPORT AT 13/1514 UTC INDICATED ASH OVER THE VOLCANO.  THE
HEIGHT OF THE ASH HAS BEEN ESTIMATED AT FL200. 
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL200 WOULD MOVE TOWARD
THE WEST SOUTHWEST AT 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 14/0100 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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CLARK
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