FVXX21 KWBC 231850
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1850 UTC 23 APR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-478         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. UPPER LEVEL WINDS FORECAST FROM THE
AVIATION MODEL.
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ERUPTION DETAILS: CONTINUOUS GASES AND ASH EMISSIONS.   
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 23/1815 UTC SHOWS    
CLOUDS OVER THE AREA OF THE VOLCANO MAKING DETECTION OF ASH
DIFFICULT. THERE HAVE BEEN NO SURFACE BASED BEPORTS EITHER DUE
TO THE CLOUD COVER.
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TRAJECTORY: ANY ASH TO FL250 WOULD MOVE TOWARD THE WEST AROUND
10 TO 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 24/0100 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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