FVXX21 KWBC 261630
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1630 UTC 26 FEB 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-242        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. GEOPHYSICAL INSTITUTE REPORT 1800 UTC AVIATION MODEL WINDS
FORECAST.
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ERUPTION DETAILS: NEARLY CONTINUOUS EMISSION OF GASES WITH
OCCASIONAL EMISSION OF ASH.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 26/1545 UTC SHOWS THICK
CLOUDS COVERING THE REGION. THE INSTITUTE REPORTS SEISMIC ACTIVITY 
REMAINS FAIRLY CONSTANT WITH NO REAL BIG SIGNATURES WHICH WOULD
INDICATE A STRONGER ASH EMISSION. SURFACE VIEWS OF THE VOLCANO
REMAIN OBSCURED BY CLOUDS. WITH ASH EMISSIONS NOT BEING STRONG THE 
ESTIMATED HEIGHT OF ANY ASH IS BELOW FL190.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL190 SHOULD MOVE TO THE WEST
SOUTHWEST AT 10 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 26/2230 UTC.

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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