FVXX21 KWBC 261255
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1255 UTC 26 APR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-490         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 WINDS FORECAST FROM THE AVIATION
MODEL.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: VISIBLE SATELLITE IMAGERY THROUGH 1215 UTC
SHOWED AN ASH PLUME EXTENDING 150KM (81NMI) TO THE NORTHWEST.
THE PLUME ESTIMATED TO FL300 IS BOUNDED BY POINTS 0128S7826W
0056S7912W 0051S7945W 0110S7950W AND 0113S7909W. 
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TRAJECTORY: TOWARDS THE WEST NORTHWEST AT 15 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 26/1900 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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BROWN
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NNNN"Attached Graphic Map Depicting Ash" 

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