FVXX21 KWBC 230600
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0600 UTC 23 APR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-480         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.  6 HOUR WIND FORECAST FROM THE 24/0000 UTC AVIATION
MODEL.  GEOPHYSICAL INSTITUTE AND THE GUAYAQUIL MWO.
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ERUPTION DETAILS: CONTINUOUS GASES AND ASH EMISSIONS.   
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 24/0415 UTC SHOWS
MULTI-LAYERED CLOUDS OVER THE AREA OF THE VOLCANO MAKING
DETECTION OF ASH DIFFICULT.  THE LAST REPORT OF ASH WAS AT
23/2256 UTC WITH ASH TO FL260.
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TRAJECTORY: ASH TO FL260 WOULD MOVE TOWARDS THE WEST-SOUTHWEST
AT 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 24/01200 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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WALTER
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