FVXX21 KWBC 171750
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1750 UTC 17 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-132         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. UPPER-AIR DATA AND REPORTS FROM THE GEOFISICO INSTITUTO. 
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ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 1715 UTC SHOWED A FAINT
PLUME OF ASH EXTNDING 40KM (22NMI) WEST OF THE SUMMIT. THE PLUME
ESTIMATED BELOW FL250 IS MOVING TOWARD THE WEST AND SOUTHWEST.
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TRAJECTORY: ANY ASH BELOW FL250 WOULD MOVE WESTWARD AT 15 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 18/0000 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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