FVXX21 KWBC 292000
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 2000 UTC 29 OCTOBER 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-046      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 
NATIONAL WEATHER SERVICE NUMERICAL WEATHER MODEL DATA.  
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ERUPTION DETAILS: OCCASIONAL VENTING OF ASH AND STEAM.
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DETAILS OF ASH: GOES-8 SATELLITE IMAGERY THROUGH 1915 UTC SHOWS
DENSE METEOROLOGICAL CLOUDS OVER THE AREA OF THE VOLCANO MAKING IT 
IMPOSSIBLE TO DETECT ANY ASH. A 1900 UTC SURFACE OBSERVATION
REPORTED ASH OVER THE VOLCANO AND MOVING TOWARD THE SOUTHWEST.
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TRAJECTORY: NUMERICAL MODEL DATA SUGGEST ASH BETWEEN FL190/270 WOULD
MOVE TOWARD THE SOUTH AT 8-18 KT.
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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 STATEMENT WILL BE ISSUED AROUND 30/0200 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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BROWN/SAB/NOAA/NESDIS
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