FVXX21 KWBC 260500
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0500 UTC 26 FEB 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-240        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...GEOPHYSICAL INSTITUTE...1800 UTC AVIATION MODEL UPPER AIR
SOUNDING DATA.
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ERUPTION DETAILS: EXPLOSIVE ERUPTION AT 25/1630 UTC...               
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DETAILS OF ASH: SATELLITE IMAGERY ENDING AT 26/0415 UTC DOES NOT
INDICATE ANY ASH OR STEAM. SHOWER AND THUNDERSTORM ACTIVITY HAS LEFT
AN EXTENSIVE AMOUNT OF CLOUDINESS ACROSS THE REGION AND THUS
OBSCURING FULL VIEW OF THE SUMMIT. HOWEVER IT SHOULD BE NOTED THAT
THE GEOPHYSICAL INSTITUTE REPORTED A LARGE AMOUNT OF SEISMIC
ACTIVITY OVER THE LAST 12 HOURS AND THERE HAVE BEEN SEVERAL REPORTS
OF ASH AT VARYING HEIGHTS. THE LATEST REPORT OF ASH WAS AT FL170.
HOWEVER THE THREAT OF ASH REACHING MUCH HIGHER ALTITUDES IS HIGH.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL170 SHOULD MOVE TO THE WEST
AT 10 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 26/1100 UTC.

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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