FVXX21 KWBC 052212
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2212 UTC 05 DEC 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-210        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.. MULTISPECTRAL AND INFRARED
IMAGERY.  UPPER AIR DATA AND DAILY REPORT FOR 05 DECEMBER FROM THE
GEOPHYSICAL INSTITUTE.  U.S. NATIONAL WEATHER SERVICE MODEL DATA.
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ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH AND STEAM.         
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DETAILS OF ASH: CLOUDS HAVE BROKEN AGAIN THIS AFTERNOON AND
SATELLITE IMAGERY REVEALED A NARROW 10 KM (5 NMI) WIDE PLUME
EXTENDING FROM THE SUMMIT TO 1.6S/78.8W...35 KM (19 NMI) TO THE WEST
SOUTHWEST OF THE SUMMIT.   ANIMATED SATELLITE IMAGERY THROUGH 2115
UTC INDICATED THAT THE PLUME HAS BEEN TENDING TO MOVE MORE TOWARDS
THE SOUTH WITH TIME. THE ASH CURRENTLY BEING EMITTED FROM THE
VOLCANO IS ESTIMATED AT FL350. THE GEOPHYSICAL INSTITUTE RECORDED 27
EXPLOSIONS IN THE LAST 24 HOURS.  THEIR DAILY REPORT INDICATED THAT
THE EXPLOSIONS HAVE BEEN ABUNDANT IN ASH.                 

TRAJECTORY: TOWARDS THE SOUTH SOUTHWEST AT 10 TO 20 KNOTS.  ANY ASH
ABOVE FL350 WOULD MOVE TOWARDS THE WEST SOUTHWEST AT 15 TO 25 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 06/0400 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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TURK/SAB/NOAA/NESDIS
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"