FVXX21 KWBC 111155
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VOLCANIC ASH ADVISORY--CORR
ISSUED 1155 UTC 11 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-104    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 VISIBLE AND MULTISPECTRAL
IMAGERY...GUAYAQUIL METEOROLOGICAL WATCH OFFICE
SIGMETS...GEOPHYSICAL INSTITUTE IN QUITO.
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ERUPTION DETAILS: CONTINUOUS VENTING OF ASH AND STEAM NOW AT LOWER
LEVELS.
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DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE INDICATED THIS MORNING
THAT ANOTHER EXPLOSION OCCURRED AS RECENTLY AS 1015 UTC.  FIRST
VISIBLE SATELLITE IMAGES THROUGH 1115 UTC INDICATED CONVECTION OVER
THE SUMMIT AND THE IMMEDIATE SURROUNDINGS PRECLUDING THE DETECTION
OF ASH. THE LATEST SIGMET FROM THE GUAYAQUIL MWO INDICATES ASH TO
FL250 BASED ON A PILOT REPORT.  CORRECTED TO INCLUDE INFORMATION
FROM THE GEOPHYSICAL INSTITUTE.
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TRAJECTORY: UPPER AIR DATA INDICATE THAT ASH TO FL250 WOULD MOVE
EAST AT 15 KTS.
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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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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 11/1730.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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TURK
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