FVXX21 KWBC 140900
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0900 UTC 14 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-116         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 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY...WIND DATA FROM THE INSTITUTO GEOFISCIO IN QUITO.
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ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS
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DETAILS OF ASH: GOES 8 MULTISPECTRAL IMAGERY THROUGH 0815 UTC SHOWS
MOSTLY THIN ASH TO THE NORTHWEST OF THE SUMMIT.  THIS ASH IS ROUGHLY 
BOUNDED BY 1.48S 78.44W TO 1.14S 78.50W TO 0.23S 79.04W TO 0.15N
79.64W TO 0.13N 79.91W TO 0.09S 79.91W TO 0.29S 79.55W AND 1.14S
78.98W.  IT EXTENDS APPROXIMATELY 239 KM (129 NMI) FROM THE SUMMIT
AND IS 48 KM (26 NMI) WIDE AT THE WIDEST POINT.  WIND INFORMATION
PLACES THE HEIGHT OF THE ASH PLUME AT ABOUT FL250.
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TRAJECTORY: ASH UP TO FL300 WOULD MOVE WEST TO NORTHWEST AT 10-15
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 14/1500 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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