FVXX21 KWBC 171130
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1130 UTC 17 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-131         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.
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 17/1045 UTC SHOWED THICK
CLOUDS OVER THE REGION AND NO DEFINITIVE DETECTION OF ASH. ASH MAY
BE MIXED IN WITH THE CLOUDS.
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TRAJECTORY: ANY ASH BELOW FL300 WOULD MOVE TOWARD THE NORTHWEST AT
15 TO 25 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 17/1730 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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