FVXX21 KWBC 241640
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1640 UTC 24 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-608         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. GEOPHYSICAL INSTITUTE IN QUITO. 24/1800
UTC FORECAST UPPER WINDS FROM THE 24/0600 UTC AVIATION MODEL.
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ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: GOES-8 IMAGERY THROUGH 1615 UTC SHOWS BROKEN
TO OVERCAST LOW AND MID LEVEL CLOUDS OBSCURING THE VIEW OF ANY
ASH AT OR NEAR THE SUMMIT. THE GEOPHYSICAL INSTITUTE REPORTS
THAT THERE WERE TWO MODERATE EXPLOSIONS EARLIER THIS MORNING.
HOWEVER GROUND OBSERVERS COULD NOT SEE ANY ASH DUE TO THE
CONSTANT CLOUD COVER.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR NEAR
SUMMIT LEVEL TO MOVE WEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 24/2230 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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HUGHES
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