FVXX21 KWBC 270320
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0320 UTC 27 MAR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-364         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 INFRARED AND MULTISPECTRAL
IMAGERY...GUAYAQUIL MWO...AVIATION MODEL FORECAST SOUNDING
DATA.
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ERUPTION DETAILS: CONTINUOUS DEGASSING WITH OCCASIONAL ASH
EMISSIONS.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 0215 UTC SHOWS NO
SIGNS OF ASH. THE LAST REPORT OF ASH WAS OVER 8 HOURS AGO WHEN
RIOBAMBA INDICATED ASH OVER THE SUMMIT. ANY CURRENT ASH IS
BELIEVED TO BE NO HIGHER THAN FL200.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL200 SHOULD MOVE TO
THE NORTHWEST AT 10 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 27/0930 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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ORRISON
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