FVXX21 KWBC 041405
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1405 UTC 04 JAN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-016         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 AND MULTISPECTRAL IMAGERY. 6
HOUR WIND FORECAST FROM THE 04/0600 UTC AVIATION MODEL. 04/1200 UTC
UPPER WIND MEASUREMENTS FROM THE GEOPHYSICAL INSTITUTE. 
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ERUPTION DETAILS: CONTINUOUS ASH AND STEAM EMISSIONS.
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DETAILS OF ASH: AN ASH PLUME WAS DETECTED ON THE 04/1215 UTC VISIBLE
SATELLITE IMAGE.  AT 1245 UTC THE PLUME EXTENDED SOUTHWESTWARD 55 KM
(30 NMI) TO A POINT 0145S 7853W AND WAS 11 KM (6 NMI) WIDE. THE ASH
WAS ESTIMATED TO BE BETWEEN FL300 AND FL350.
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TRAJECTORY:  TOWARDS THE SOUTHWEST AT 10 TO 15 KNOTS.
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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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EFFECTIVE JANUARY 3 2000 AT 0000 UTC... ALL REFERENCES TO LATITUDE
AND LONGITUDE IN VOLCANIC ASH ADVISORY STATEMENTS WILL BE IN DEGREES
AND MINUTES OF A DEGREE.  EXAMPLE: 16.70N 62.20W  WILL BE 1642N6212W
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THE NEXT STATEMENT WILL BE ISSUED BY 04/2000 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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CLARK/NOAA/NESDIS/SAB
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NNNN
"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"