FVXX21 KWBC 181330
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1330 UTC 18 MAR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-328         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 INFRARED AND
MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL
GEOPHYSICAL INSTITUTE REPORT
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ERUPTION DETAILS:  ALMOST CONTINUOUS EMISSIONS OF GASES AND
OCCASIONAL ASH EMISSIONS.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 18/1245 UTC SHOWS A
DIFFUSE PLUME EXTENDING APPROXIMATELY TO THE POINT 0204S
7848W.  THIS PLUME IS ABOUT 45 NMI LONG AND UP TO 10 NMI WIDE. 
BASED ON IMAGERY AND PREVIOUS REPORTS FROM THE GEOPHYSICAL
INSTITUTE THIS PLUME IS PROBABLY MOSTLY STEAM WITH POSSIBLY
SOME ASH MIXED IN.  ESTIMATED HEIGHT IS FL180.
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TRAJECTORY: TOWARD THE SOUTH-SOUTHWEST AT 15-20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 18/1930 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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"Attached Graphic Map Depicting Ash" 

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