FVXX21 KWBC 141745
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1745 UTC 14 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-118         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 1715 UTC SHOWS
A THICK PLUME OF ASH EXTENINDG TO THE NORTHWEST OF THE VOLCANO
SUMMIT. THE ASH IS BOUNDED BY THE FOLLOWING POINTS:1.5S 78.4W TO
1.0S 79.7W TO 1.1S 80.2W TO 0.6S 80.7W TO 0.2N 79.6W TO 1.0S 78.6W
TO 1.5S 78.4W. THE WESTERN EDGE OF THE ASH IS AT THE COAST OF
ECUADOR.  THE LEADING EDGE OF THE ASH IS AT A DISTANCE OF 177 KM
(96 NMI) FROM THE SUMMIT AND IS 119 KM (64 NMI) WIDE AT THE WIDEST
POINT.  WITHIN THIS PLUME SOME ASH IS MOVING TO THE WEST AND SOME
ASH IS MOVING TOWARDS THE NORTHWEST AND BASED ON UPPER AIR WIND DATA
THE ASH IS AS HIGH AS FL320.
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TRAJECTORY: ASH UP TO FL320 WOULD MOVE TOWARD THE WEST OR NORTWEST
AT 15 TO 20 KTS.
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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 14/2345 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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KARST
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NNNN
"Attached Graphic Map Depicting Ash" 

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