FVXX21 KWBC 231630
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1630 UTC 23 MAR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-349         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: UPPER WINDS FORECAST FROM THE 23/0600
UTC AVIATION MODEL...GOES-8 VISIBLE AND INFRARED AND
MULTISPECTRAL IMAGERY.  
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ERUPTION DETAILS: SMALL EXPLOSIONS REPORTED.
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DETAILS OF ASH: THE LATEST SATELLITE IMAGE AT 23/1545 UTC
CONTINUES TO SHOW LOW AND MID LEVEL CLOUDS IN THE VICINITY OF
THE VOLCANO MAKING IT DIFFICULT TO DETECT VOLCANIC ASH. THE
GEOPHYSICAL INSTITUTE REPORTS VOLCANIC ASH OVER THE VOLCANO AT
23/1437 UTC.
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TRAJECTORY: ANY ASH THAT MAY EXIST BETWEEN THE SUMMIT AND
FL240 WOULD MOVE TOWARDS THE WEST SOUTHWEST AT 10 TO 15 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 23/2230 UTC.
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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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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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KARST 
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