FVXX21 KWBC 212000
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 2000 UTC 21 OCTOBER 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-014       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 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY THROUGH 1915 UTC... GEOPHYSICAL INSTITUTE ...U.S. NATIONAL
WEATHER SERVICE NUMERICAL WEATHER PREDICTION MODELS 
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ERUPTION DETAILS: CONTINUOUS ERUPTION OF ASH AND STEAM TO FL180-200
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DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE REPORTS THAT LOCAL
AIRCRAFT ARE SEEING A CONTINUOUS EMISSION OF ASH AND STEAM FROM
TUNGURAHUA TO BETWEEN FL180 AND FL200 IN A MOSTLY WESTERLY DIRECTION
FROM THE VOLCANO.  GOES-8 IMAGERY THROUGH 1915 UTC DOES NOT SHOW ANY
DEFINITE ASH SIGNATURES ALTHOUGH THERE IS EXTENSIVE METEOROLOGICAL
CLOUDS IN THE AREA..
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TRAJECTORY: NUMERICAL MODEL FORECASTS SUGGEST THAT ANY ASH AT FL180-200 WOULD MOVE TOWARD THE WEST TO WEST-SOUTHWEST AT 10-15KT.
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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.
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THE NEXT MESSAGE WILL BE ISSUED BY 22/0400 UTC.
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SCHWARTZ/SAB/NOAA/NESDIS
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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