FVXX21 KWBC 250215
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0215 UTC 25 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-163         ECUADOR 1.47S 78.44W 
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BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
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SOURCES OF INFORMATION: GOES-8 MULTISPECTRAL IMAGERY.  24/1800 UTC
AVIATION MODEL WIND FORECAST.
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ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS.
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DETAILS OF ASH: AT 0115 UTC SATELLITE IMAGERY SHOWS THE ASH CLOUD IS
NOW ALONG THE ECUADOR-PERU BORDER. THE ASH IS BOUNDED BY 1.3S 76.5W 
2.1S 74.4W  0.1S 74.6W  0.1S 75.5W AND IS ESTIMATED TO BE AROUND
FL250. THE ASH CLOUD IS MOVING EAST AROUND 20 KNOTS. THICK CLOUDS
COVER THE AREA AROUND THE VOLCANO AND NO ASH IS ABLE TO BE DETECTED
AROUND IT.
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TRAJECTORY: AROUND THE VOLCANO UPPER WINDS ARE VARIABLE AND ANY ASH
WILL MOVE IN MANY DIRECTIONS BETWEEN 5 TO 20 KNOTS.
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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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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 25/0830 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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NNNN"Attached Graphic Map Depicting Ash" 

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