FVXX21 KWBC 150600
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0600 UTC 15 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-120         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 INFRARED AND MULTISPECTRAL
IMAGERY...WIND DATA FROM THE INSTITUTO GEOFISCIO IN QUITO AND
NATIONAL WEATHER SERVICE NUMERICAL MODELS
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ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS
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DETAILS OF ASH: GOES 8 MULTISPECTRAL IMAGERY THROUGH 0515 UTC SHOWS 
THIN ASH EMANATING FROM THE VOLCANO.  THE LARGE AREAS OF ASH
MENTIONED IN THE PREVIOUS VAAS ARE NO LONGER VISIBLE IN
MULTISPECTRAL IMAGERY. THE CURRENT AREA OF ASH IS ROUGHLY BOUNDED 
BY 1.48S 78.42W T0 1.25S 78.40W TO 1.01S 78.54W TO 0.92S 78.77W AND
1.25S 78.96W AND IS ESTIMATED TO BE UP TO FL250.
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TRAJECTORY: ASH UP TO FL250 WOULD MOVE NORTH-NORTHWEST AT 15 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 15/1200 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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"Attached Graphic Map Depicting Ash" 

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