FVXX21 KWBC 231325
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1325 UTC 23 APR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-477         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 23/1245 UTC SHOWS    
CLOUDS OVER THE AREA OF THE VOLCANO MAKING DETECTION OF ASH
DIFFICULT. THERE HAS BEEN NO REPORT OF A PLUME DUE TO DARKNESS
OVERNIGHT AND CURRENT CLOUDY CONDITIONS.   
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TRAJECTORY: ANY ASH TO FL250 WOULD MOVE TOWARD THE WEST-SOUTHWEST AT 10 TO 15 KNOTS.
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THE NEXT STATEMENT WILL BE ISSUED BY 23/1900 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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