FVXX21 KWBC 071700
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VOLCANIC ASH ADVISORY
ISSUED 1700 UTC 07 NOVEMBER 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-085     ECUADOR 1.47S 78.44W 
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BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
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SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY...GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMETS AND THE
INSTITUTO GEOFISICO.
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ERUPTION DETAILS: THE INSTITUTO GEOFISICO REPORTS A NEARLY
CONTINUOUS EMISSION OF STEAM AND ASH NEAR THE SUMMIT AND STRONG
SEISMIC ACTIVITY.
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DETAILS OF ASH: SIGMET 3 OUTLOOK FROM GUAYAQUIL REPORTS ASH BETWEEN
FL200/FL300 MOVING SOUTHEAST AROUND 5 KNOTS. WE ARE UNABLE TO DETECT
ANY ASH IN THE LATEST SATELLITE IMAGERY AT 1615 UTC.
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TRAJECTORY: UPPER AIR WIND DATA SUGGESTS ANY ASH BETWEEN FL200 AND
FL300 WOULD MOVE TOWARDS THE SOUTHEAST AT 5 TO 10 KNOTS.

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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OUTLOOK:  SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED AROUND 07/2300 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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BROWN
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